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TB-5003rd Party Tested
PerformanceBest for Recovery & Strength

TB-500

$120.00
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Buy 9 Get 1 Free — automatically applied at checkout
Add to Cart — $120.00
99%+ Pure
CoA Verified
US Based
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TB-500 is a synthetic analogue of the naturally occurring peptide Thymosin Beta-4 (Tβ4). A 43-amino acid sequence studied in laboratory models for its roles in actin sequestration, cell migration, angiogenesis, and anti-inflammatory signaling. Designed for in-vitro and animal-model studies of wound healing, cardiac tissue repair, and musculoskeletal regeneration.

Based in USA | 99% Purity Verified | Lab Tested & Verified

⚠ For research and laboratory use only. Not for human consumption.

250 reviews for TB-500

  1. Shirley Thomas

    the TB definitely doing what it should

  2. Brandon Lewis

    tB 500 it works and that’s what counts

  3. Daniel Cook

    picked this up after seeing it recommended and this it works, simple as that

  4. Samantha Sanchez

    This is now our lab standard and will absolutely reorder — this is our go-to supplier now. Wound healing assay results exceeded our study predictions.

  5. Lauren Sullivan

    my friend put me on to this and shipping was quick, 2 days. this it works better than I expected honestly

  6. Patrick Rivera

    Got it in about 2-3 days. TB 500 it works, simple as that. ordering again next month

  7. Terry Robinson

    Batch-to-batch consistency is impressive and the US-based synthesis is important for our IRB compliance. HPLC verified at 99.3% — among the cleanest TB-500 we’ve tested.

  8. Brandon Stewart

    this is my third order now and got it in about 2-3 days. the TB can definitely tell it’s working

  9. Joseph Brooks

    shipped really fast, had it in 2 days. TB 500 can definitely tell it’s working. when I opened it the box and vials actually looked really clean and professional

  10. Angela Harris

    this is my third order now and it showed up in 3 days. the TB it works better than I expected honestly

  11. Rebecca Hughes

    Wound healing assay results exceeded our study predictions. Long-time customer here and stable at -20°C for the duration of our 3-month study.

  12. Jack Jones

    heard about this and decided to order and TB 500 results are there, can’t complain. packaging was really discreet, looked like regular mail. no one would ever know what it was. not going anywhere else for this

  13. Brandon Cox

    Picked this up after seeing it recommended and it showed up in 2 days. this it works, simple as that

  14. Richard Gonzalez

    got it in about 2-3 days. TB 500 it works and that’s what counts

  15. Scott Allen

    no issues across four consecutive orders. Three years of sourcing TB-500 — Telos is the best we’ve found. Consistently excellent.

  16. Jeffrey Wilson

    The TB noticing results which is all that matters. going to keep ordering for sure

  17. Christopher Adams

    honestly wasn’t sure about this at first but came in 2 days which was really fast. TB 500 it works better than I expected honestly

  18. George Barnes

    Wound healing assay results exceeded our study predictions. Been sourcing peptides for research for years and significantly cleaner than what we were sourcing previously.

  19. Rachel Ward

    2 day delivery which I was happy about. this it works better than I expected honestly

  20. Gary Young

    just got my second order and it showed up in 2 days. TB 500 working exactly as I hoped

  21. Lisa Henderson

    got here in like 2 days. TB 500 does exactly what it’s supposed to. super discreet outer packaging but the actual box and vials inside looked premium and well branded. won’t be switching to anything else

  22. Ruth Rogers

    got it in about 2-3 days. the TB definitely doing what it should. going to keep ordering for sure

  23. Steven Phillips

    Picked this up after seeing it recommended and TB 500 I can tell it’s doing something, really happy with it. plain packaging outside which was perfect, but inside the box and vials looked really elegant and professional

  24. Gloria Brown

    Packaging was pristine on arrival and Wound healing assay results exceeded our study predictions. this is now the only source our lab uses for research-grade compounds. Our go-to for all peptide research.

  25. Lisa Bennett

    Batch-to-batch consistency is impressive and The lyophilized powder reconstituted instantly — no clumping or residue. the purity holds up to third-party scrutiny every time. Best in class.

  26. Anna James

    Got here in like 2 days. this noticing results which is all that matters. the vials and box looked really premium, clean and well made. already on my third order

  27. Charles Long

    this is my third order now and it showed up in 2 days. the actual packaging inside was really elegant, way nicer than I expected honestly. TB 500 actually works which surprised me a little

  28. Frank Butler

    will absolutely reorder — this is our go-to supplier now. HPLC verified at 99.3% — among the cleanest TB-500 we’ve tested.

  29. William Adams

    2 day delivery which I was happy about. this it works, simple as that. sticking with Telos

  30. Dorothy Fisher

    The lyophilized powder reconstituted instantly — no clumping or residue. Compared to previous suppliers and this is now the only source our lab uses for research-grade compounds.

  31. Brian Foster

    Been using this for a few weeks now and it showed up in 2 days. came in really plain packaging which I appreciated. TB 500 this actually works. already on my third order

  32. Christina Lewis

    Been using this for a few weeks now and it showed up in 2 days. outer packaging was plain like any other package, really discreet. TB 500 results are there, can’t complain. will definitely order again

  33. Julia Powell

    2 day delivery which I was happy about. this this actually works

  34. Deborah Fisher

    Independent HPLC testing confirmed purity and HPLC verified at 99.3% — among the cleanest TB-500 we’ve tested. significantly cleaner than what we were sourcing previously.

  35. Michael Brown

    decided to give this a try and showed up in 2 days, way faster than I expected. this noticing results which is all that matters. plain packaging outside which was perfect, but inside the box and vials looked really elegant and professional. 10/10 would order again

  36. Karen Morris

    My friend put me on to this and it showed up in 2 days. this it works and that’s what counts. already on my third order

  37. Michelle Bailey

    Three years of sourcing TB-500 — Telos is the best we’ve found. Our lab switched to Telos six months ago and the price-to-purity ratio is the best available. Excellent supplier — highly recommend.

  38. Kevin Reyes

    Our lab switched to Telos six months ago and significantly cleaner than what we were sourcing previously. Wound healing assay results exceeded our study predictions. Our entire lab has switched to Telos.

  39. Christine Sullivan

    compound identity was confirmed by mass spectrometry. Anti-inflammatory study results have been consistently strong. Consistently excellent.

  40. Matthew Nguyen

    Ordered based on a colleague’s recommendation and HPLC verified at 99.3% — among the cleanest TB-500 we’ve tested. the purity holds up to third-party scrutiny every time.

  41. Megan Jenkins

    Long-time customer here and significantly cleaner than what we were sourcing previously. Three years of sourcing TB-500 — Telos is the best we’ve found.

  42. Jonathan Gray

    My friend put me on to this and it showed up in 2 days. the outer box was super plain, nothing on it. exactly what I needed. the TB does what it promises

  43. Donald Rogers

    Shipping was quick, 2 days. the TB this actually works

  44. Judith Richardson

    tB 500 does exactly what it’s supposed to. not going anywhere else for this

  45. Karen Ramirez

    tB 500 it works better than I expected honestly. will be a repeat customer

  46. Kathryn Young

    this been getting results so I’m happy. 10/10 would order again

  47. Sarah Murphy

    This working exactly as I hoped

  48. Laura Nguyen

    Our lab switched to Telos six months ago and the documentation and CoA process is the most transparent I’ve seen. Three years of sourcing TB-500 — Telos is the best we’ve found. The gold standard for research compounds.

  49. Andrea Morales

    2 day delivery which I was happy about. the TB noticing results which is all that matters. sticking with Telos

  50. Catherine Walker

    Our lab switched to Telos six months ago and no issues across four consecutive orders. Three years of sourcing TB-500 — Telos is the best we’ve found.

  51. Cheryl Perez

    showed up in 2 days, way faster than I expected. TB 500 actually works which surprised me a little. will be back for sure

  52. Patrick White

    Mass spec confirmed compound identity and discreet shipping and professional packaging every time. The lyophilized powder reconstituted instantly — no clumping or residue. Excellent supplier — highly recommend.

  53. Sarah Moore

    Got here in 2 days. the outer box was super plain, nothing on it. exactly what I needed. TB 500 does what it promises. already on my third order

  54. Ann Long

    CoA documentation was thorough and Thymosin Beta-4 research requires absolute purity — Telos provides it. purity came back at 99%+ on our in-house HPLC. Consistently excellent.

  55. Steven Richardson

    Actin-binding research confirmed peptide activity aligned with literature. First order from Telos and will absolutely reorder — this is our go-to supplier now. Excellent supplier — highly recommend.

  56. Pamela Murphy

    Actin-binding research confirmed peptide activity aligned with literature. This is now our lab standard and customer support was responsive when I had a question. Nothing else compares at this purity level.

  57. Andrew Nguyen

    Actin-binding research confirmed peptide activity aligned with literature. Tested two batches side by side and the US-based synthesis is important for our IRB compliance.

  58. Maria Morris

    Thymosin Beta-4 research requires absolute purity — Telos provides it. Our research team evaluated several suppliers and no batch-to-batch variation — exactly what long studies need. Will not source this elsewhere.

  59. Lisa Nguyen

    Arrived in 3 days which wasn’t bad at all. this it works and that’s what counts. already placed my next order

  60. Katherine Rivera

    this is my third order now and TB 500 it works and that’s what counts. plain packaging outside which was perfect, but inside the box and vials looked really elegant and professional

  61. Matthew Cox

    Our lab switched to Telos six months ago and Telos is simply the most reliable supplier in the US market. For recovery and regeneration studies, this is our compound of choice.

  62. Alice Sanchez

    Three years of sourcing TB-500 — Telos is the best we’ve found. Mass spec confirmed compound identity and the cold-chain shipping keeps the compound perfectly stable.

  63. Jessica Adams

    been using this for a few weeks now and it showed up in 3 days. TB 500 it works and that’s what counts. ordering again next month

  64. Maria Thomas

    Actin-binding research confirmed peptide activity aligned with literature. Long-time customer here and highly recommend for any serious research protocol. Telos sets the bar.

  65. Christopher Wright

    Been a customer for a while now and this can definitely tell it’s working. going to keep ordering for sure

  66. Martha Sullivan

    picked this up after seeing it recommended and took 3 days to get to me but still pretty fast. this I can tell it’s doing something, really happy with it. came really discreet on the outside but when I opened it the box and vials were actually really nice and clean. ordering again next month

  67. Deborah White

    Been a customer for a while now and got here in 2 days which was great. this it works and that’s what counts. the branded box and vials inside were honestly really elegant. 10/10 would order again

  68. Helen Fisher

    Shipping was quick, 2 days. the TB been getting results so I’m happy. came like regular mail on the outside but inside the vials and packaging were clean and really nice looking. will be a repeat customer

  69. George King

    picked this up after seeing it recommended and TB 500 can definitely tell it’s working. the actual packaging inside was really elegant, way nicer than I expected honestly

  70. Jeffrey Barnes

    Took 3 days to get to me but still pretty fast. TB 500 it works and that’s what counts. will definitely order again

  71. Anna Lopez

    Telos is simply the most reliable supplier in the US market. Our sports science lab now orders TB-500 exclusively from Telos. Cannot fault this supplier.

  72. Victoria Allen

    Running a multi-week protocol with this compound and every batch has tested cleanly with no impurities detected. Three years of sourcing TB-500 — Telos is the best we’ve found.

  73. Janet Rogers

    got here in 3 days. this working exactly as I hoped. going to keep ordering for sure

  74. Betty Morales

    This been getting results so I’m happy

  75. Emily Campbell

    tB 500 results are there, can’t complain. ordering again next month

  76. Brenda Perry

    wasn’t expecting much honestly but came in 3 days, fast enough for me. the TB it works, simple as that. discreet outside which I needed, and the inside with the branded box and vials was actually really elegant. will be a repeat customer

  77. Angela Cruz

    will absolutely reorder — this is our go-to supplier now. The lyophilized powder reconstituted instantly — no clumping or residue. Our entire lab has switched to Telos.

  78. Janice Sanders

    Batch-to-batch consistency is impressive and discreet shipping and professional packaging every time. Actin-binding research confirmed peptide activity aligned with literature. Highly recommended for research use.

  79. Christine Phillips

    Got it in about 2-3 days. this can definitely tell it’s working. the branded box and vials inside were honestly really elegant

  80. Margaret Kelly

    significantly cleaner than what we were sourcing previously. HPLC verified at 99.3% — among the cleanest TB-500 we’ve tested.

  81. Cheryl Wright

    TB 500 this actually works. discreet outside which I needed, and the inside with the branded box and vials was actually really elegant. will be back for sure

  82. Terry Powell

    heard about this and decided to order and it showed up in 3 days. this this actually works. will be a repeat customer

  83. Gary Sanchez

    Batch-to-batch consistency is impressive and compound identity was confirmed by mass spectrometry. Anti-inflammatory study results have been consistently strong. Our entire lab has switched to Telos.

  84. Samuel Campbell

    Been using Telos products for over a year and Anti-inflammatory study results have been consistently strong. the cold-chain shipping keeps the compound perfectly stable. The gold standard for research compounds.

  85. Doris Peterson

    Showed up in 2 days, way faster than I expected. the TB working exactly as I hoped. ordering again next month

  86. Jason Miller

    picked this up after seeing it recommended and it showed up in 2 days. the vials and box looked really premium, clean and well made. the TB been getting results so I’m happy

  87. Joyce Campbell

    came in 2 days which was really fast. this definitely doing what it should

  88. Donna Bennett

    purity came back at 99%+ on our in-house HPLC. Three years of sourcing TB-500 — Telos is the best we’ve found.

  89. Gary Cook

    The lyophilized powder reconstituted instantly — no clumping or residue. Been using Telos products for over a year and every batch has tested cleanly with no impurities detected. Best in class.

  90. Christine Sanders

    every batch has tested cleanly with no impurities detected. The lyophilized powder reconstituted instantly — no clumping or residue.

  91. Carolyn Stewart

    customer support was responsive when I had a question. Anti-inflammatory study results have been consistently strong. Our entire lab has switched to Telos.

  92. Michelle Fisher

    Third order in and Wound healing assay results exceeded our study predictions. the purity holds up to third-party scrutiny every time. The gold standard for research compounds.

  93. Brenda Perry

    Ordered this for an ongoing research study and Our tissue repair study has depended on TB-500 for four months. this is now the only source our lab uses for research-grade compounds.

  94. Robert Butler

    CoA documentation was thorough and the cold-chain shipping keeps the compound perfectly stable. For recovery and regeneration studies, this is our compound of choice.

  95. William Roberts

    CoA documentation was thorough and The lyophilized powder reconstituted instantly — no clumping or residue. significantly cleaner than what we were sourcing previously.

  96. Pamela Howard

    First order from Telos and Anti-inflammatory study results have been consistently strong. the purity holds up to third-party scrutiny every time. Cannot fault this supplier.

  97. Larry Martinez

    the US-based synthesis is important for our IRB compliance. For recovery and regeneration studies, this is our compound of choice.

  98. James Ross

    decided to give this a try and shipping was quick, 2 days. this been getting results so I’m happy

  99. Janice Jenkins

    The lyophilized powder reconstituted instantly and Our sports science lab now orders TB-500 exclusively from Telos. stable at -20°C for the duration of our 3-month study. Our entire lab has switched to Telos.

  100. Catherine White

    shipping was quick, 2 days. the TB noticing results which is all that matters. the branded box and vials inside were honestly really elegant. not going anywhere else for this

  101. Ronald Nelson

    Long-time customer here and Wound healing assay results exceeded our study predictions. Telos is simply the most reliable supplier in the US market.

  102. Samantha Reed

    the purity holds up to third-party scrutiny every time. Anti-inflammatory study results have been consistently strong. Best in class.

  103. Eric Young

    tB 500 actually works which surprised me a little

  104. Betty Bennett

    this noticing results which is all that matters

  105. Shirley Powell

    Wound healing assay results exceeded our study predictions. Compared to previous suppliers and compound identity was confirmed by mass spectrometry. Best in class.

  106. Joshua Lopez

    Honestly wasn’t sure about this at first but TB 500 actually works which surprised me a little. the branded box and vials inside were honestly really elegant

  107. Jack Martinez

    TB 500 it works better than I expected honestly

  108. Rebecca Campbell

    the TB definitely doing what it should

  109. Sharon Reed

    got here in 2 days. the TB noticing results which is all that matters

  110. Angela Kelly

    Our research team evaluated several suppliers and Anti-inflammatory study results have been consistently strong. discreet shipping and professional packaging every time. Will reorder.

  111. Joyce Collins

    Our lab switched to Telos six months ago and the lyophilized powder dissolves instantly with BAC water. HPLC verified at 99.3% — among the cleanest TB-500 we’ve tested. Five stars without hesitation.

  112. Katherine Long

    Honestly wasn’t sure about this at first but this it works and that’s what counts. not going anywhere else for this

  113. Evelyn Morris

    will absolutely reorder — this is our go-to supplier now. Anti-inflammatory study results have been consistently strong.

  114. Janet Foster

    TB 500 it works, simple as that. super discreet outer packaging but the actual box and vials inside looked premium and well branded. already placed my next order

  115. Lauren Gonzalez

    Honestly wasn’t sure about this at first but TB 500 definitely doing what it should. already on my third order

  116. Cheryl Gonzalez

    started using this a month ago and 2 day delivery which I was happy about. TB 500 it works and that’s what counts. the branded box and vials inside were honestly really elegant

  117. Robert Martinez

    Got here in 2 days which was great. the TB definitely doing what it should. 10/10 would order again

  118. Nicole Ortiz

    Wasn’t expecting much honestly but TB 500 it works better than I expected honestly. box on the outside was completely plain and discreet

  119. Jeffrey Anderson

    the TB this actually works

  120. Pamela Martin

    got here in 2 days. came in really plain packaging which I appreciated. the TB this actually works. will definitely order again

  121. Ashley Brooks

    Arrived faster than I expected, 2 days. TB 500 this actually works. sticking with Telos

  122. Maria Perry

    Arrived faster than I expected, 2 days. the TB this actually works. ordering again next month

  123. Catherine Perry

    This actually works which surprised me a little. will be a repeat customer

  124. Katherine Hall

    HPLC verified at 99.3% — among the cleanest TB-500 we’ve tested. Independent HPLC testing confirmed purity and highly recommend for any serious research protocol.

  125. Laura Robinson

    tB 500 it works better than I expected honestly

  126. Frank Rogers

    this results are there, can’t complain

  127. Jack Sanders

    this is my third order now and it showed up in 2 days. the vials and box looked really premium, clean and well made. this it works and that’s what counts. will be back for sure

  128. Scott Miller

    This arrived faster than expected and Anti-inflammatory study results have been consistently strong. every batch has tested cleanly with no impurities detected.

  129. Brian Ward

    came in 2 days which was really fast. TB 500 I can tell it’s doing something, really happy with it. discreet outside which I needed, and the inside with the branded box and vials was actually really elegant. will be back for sure

  130. Samantha Phillips

    The TB been getting results so I’m happy. will definitely order again

  131. Heather Robinson

    Picked this up after seeing it recommended and the TB does what it promises. when I opened it the box and vials actually looked really clean and professional

  132. Larry Rogers

    customer support was responsive when I had a question. Anti-inflammatory study results have been consistently strong.

  133. Donna Walker

    Came in 3 days, fast enough for me. the TB been getting results so I’m happy. will be a repeat customer

  134. Anthony Mitchell

    This actually works which surprised me a little. already reordered

  135. Emma Hill

    Compared to previous suppliers and results in our assays align perfectly with published literature. Anti-inflammatory study results have been consistently strong.

  136. Christine Johnson

    the purity holds up to third-party scrutiny every time. The lyophilized powder reconstituted instantly — no clumping or residue. Will reorder.

  137. Ryan Howard

    My friend put me on to this and arrived faster than I expected, 2 days. TB 500 does what it promises. will be back for sure

  138. Cynthia Murphy

    the TB it works, simple as that. discreet outside which I needed, and the inside with the branded box and vials was actually really elegant

  139. Betty Reed

    customer support was responsive when I had a question. Our sports science lab now orders TB-500 exclusively from Telos.

  140. Katherine Nelson

    took 3 days to get to me but still pretty fast. the TB results are there, can’t complain. going to keep ordering for sure

  141. Jessica Reed

    came in 2 days which was really fast. this this actually works. already reordered

  142. David Nelson

    my friend put me on to this and the TB working exactly as I hoped. won’t be switching to anything else

  143. Julie Ross

    Took 3 days to get to me but still pretty fast. this it works, simple as that

  144. Katherine Walker

    just got my second order and it showed up in 3 days. the outer box was super plain, nothing on it. exactly what I needed. this noticing results which is all that matters

  145. Alexander Ross

    This does exactly what it’s supposed to

  146. Evelyn Ramirez

    been using this for a few weeks now and the TB it works and that’s what counts. came like regular mail on the outside but inside the vials and packaging were clean and really nice looking. will definitely order again

  147. Brian Morales

    wasn’t expecting much honestly but the TB it works better than I expected honestly. came in really plain packaging which I appreciated. going to keep ordering for sure

  148. Sharon Ramirez

    Ordered this for an ongoing research study and Our sports science lab now orders TB-500 exclusively from Telos. highly recommend for any serious research protocol.

  149. Joseph Moore

    this is my third order now and the TB definitely doing what it should. already reordered

  150. Jessica Baker

    Took 3 days to get to me but still pretty fast. TB 500 actually works which surprised me a little. will definitely order again

  151. Rachel Barnes

    Got here in like 2 days. this it works better than I expected honestly

  152. Kenneth Sullivan

    This is now our lab standard and Telos is simply the most reliable supplier in the US market. The lyophilized powder reconstituted instantly — no clumping or residue. Standard order in our lab now.

  153. Martha Lopez

    took 3 days to get to me but still pretty fast. TB 500 been getting results so I’m happy

  154. Carolyn Collins

    picked this up after seeing it recommended and came in 3 days, fast enough for me. the TB can definitely tell it’s working. packaging was really discreet, looked like regular mail. no one would ever know what it was

  155. James Clark

    Been sourcing peptides for research for years and Wound healing assay results exceeded our study predictions. the price-to-purity ratio is the best available.

  156. Steven Perez

    this can definitely tell it’s working. already on my third order

  157. Janice Rogers

    Just got my second order and it showed up in 2 days. this it works, simple as that

  158. Raymond Cooper

    Got it in about 2-3 days. this actually works which surprised me a little

  159. Janice Wright

    the documentation and CoA process is the most transparent I’ve seen. For recovery and regeneration studies, this is our compound of choice.

  160. Richard Lewis

    every batch has tested cleanly with no impurities detected. Our tissue repair study has depended on TB-500 for four months. The gold standard for research compounds.

  161. Rachel Diaz

    TB 500 it works better than I expected honestly. won’t be switching to anything else

  162. Melissa Cruz

    Started using this a month ago and it showed up in 3 days. box on the outside was completely plain and discreet. this I can tell it’s doing something, really happy with it. going to keep ordering for sure

  163. Frank Anderson

    came in 3 days, fast enough for me. TB 500 I can tell it’s doing something, really happy with it. won’t be switching to anything else

  164. Angela Myers

    got it in about 2-3 days. the TB I can tell it’s doing something, really happy with it. will definitely order again

  165. Martha Hughes

    The TB it works better than I expected honestly. will be a repeat customer

  166. Christina Baker

    discreet shipping and professional packaging every time. Our sports science lab now orders TB-500 exclusively from Telos. Cannot fault this supplier.

  167. Samantha Reyes

    honestly wasn’t sure about this at first but shipping was quick, 2 days. this can definitely tell it’s working. the actual packaging inside was really elegant, way nicer than I expected honestly

  168. Victoria Morgan

    Our lab switched to Telos six months ago and the price-to-purity ratio is the best available. Three years of sourcing TB-500 — Telos is the best we’ve found.

  169. Rebecca Harris

    Our research team evaluated several suppliers and the US-based synthesis is important for our IRB compliance. Anti-inflammatory study results have been consistently strong. Highly recommended for research use.

  170. Christina Bell

    Shipped really fast, had it in 2 days. TB 500 does exactly what it’s supposed to. box on the outside was completely plain and discreet

  171. Brenda King

    The lyophilized powder reconstituted instantly — no clumping or residue. Independent HPLC testing confirmed purity and highly recommend for any serious research protocol. Will be ordering again next month.

  172. Ryan James

    Third order in and The lyophilized powder reconstituted instantly — no clumping or residue. the documentation and CoA process is the most transparent I’ve seen.

  173. Thomas Brown

    This been getting results so I’m happy. discreet outside which I needed, and the inside with the branded box and vials was actually really elegant

  174. Emily Thomas

    This can definitely tell it’s working. not going anywhere else for this

  175. George Cruz

    Anti-inflammatory study results have been consistently strong. This arrived faster than expected and the cold-chain shipping keeps the compound perfectly stable. Will be ordering again next month.

  176. Virginia Wood

    Heard about this and decided to order and it showed up in 2 days. discreet outside which I needed, and the inside with the branded box and vials was actually really elegant. TB 500 does exactly what it’s supposed to. won’t be switching to anything else

  177. Steven Evans

    Our tissue repair study has depended on TB-500 for four months. This arrived faster than expected and no issues across four consecutive orders.

  178. Dorothy Cooper

    The lyophilized powder reconstituted instantly and Our tissue repair study has depended on TB-500 for four months. the US-based synthesis is important for our IRB compliance. Telos sets the bar.

  179. Karen Turner

    this it works, simple as that

  180. Justin Reyes

    Ordered based on a colleague’s recommendation and the purity holds up to third-party scrutiny every time. Our tissue repair study has depended on TB-500 for four months. Will reorder.

  181. Victoria Thomas

    Our research team evaluated several suppliers and the lyophilized powder dissolves instantly with BAC water. Three years of sourcing TB-500 — Telos is the best we’ve found. The gold standard for research compounds.

  182. Lisa Green

    TB 500 it works better than I expected honestly

  183. David Sanders

    Independent HPLC testing confirmed purity and For recovery and regeneration studies, this is our compound of choice. customer support was responsive when I had a question. Nothing else compares at this purity level.

  184. Christina Ross

    Our lab switched to Telos six months ago and purity came back at 99%+ on our in-house HPLC. Wound healing assay results exceeded our study predictions.

  185. Amy Baker

    shipping was quick, 2 days. TB 500 can definitely tell it’s working. discreet outside which I needed, and the inside with the branded box and vials was actually really elegant. will be back for sure

  186. Jonathan Thompson

    Three years of sourcing TB-500 — Telos is the best we’ve found. Mass spec confirmed compound identity and highly recommend for any serious research protocol. Will be ordering again next month.

  187. Maria Bailey

    Telos is simply the most reliable supplier in the US market. The lyophilized powder reconstituted instantly — no clumping or residue.

  188. Jeffrey Williams

    This is now our lab standard and the price-to-purity ratio is the best available. Our tissue repair study has depended on TB-500 for four months.

  189. Janet Ramirez

    Been a customer for a while now and arrived in 3 days which wasn’t bad at all. this I can tell it’s doing something, really happy with it. going to keep ordering for sure

  190. Daniel Brooks

    the TB definitely doing what it should

  191. Anna Perez

    took 3 days to get to me but still pretty fast. the TB results are there, can’t complain. sticking with Telos

  192. Julie Butler

    shipping was quick, 2 days. this I can tell it’s doing something, really happy with it. won’t be switching to anything else

  193. Ashley Miller

    Got here in 2 days which was great. this does what it promises. discreet outside which I needed, and the inside with the branded box and vials was actually really elegant. already placed my next order

  194. Jerry Smith

    the TB I can tell it’s doing something, really happy with it. won’t be switching to anything else

  195. Laura Clark

    Started using this a month ago and it showed up in 2 days. came in really plain packaging which I appreciated. TB 500 it works and that’s what counts

  196. Angela Young

    Honestly wasn’t sure about this at first but the TB I can tell it’s doing something, really happy with it. will definitely order again

  197. Donald Richardson

    got here in like 2 days. this I can tell it’s doing something, really happy with it. will definitely order again

  198. Jacob White

    this noticing results which is all that matters. will be a repeat customer

  199. Jerry Robinson

    2 day delivery which I was happy about. this can definitely tell it’s working. going to keep ordering for sure

  200. Carolyn Hall

    got here in 2 days. super discreet outer packaging but the actual box and vials inside looked premium and well branded. TB 500 working exactly as I hoped

  201. Diane Carter

    Arrived in 3 days which wasn’t bad at all. the TB does exactly what it’s supposed to

  202. Donald Lewis

    started using this a month ago and it showed up in 3 days. TB 500 noticing results which is all that matters. will definitely order again

  203. James Rivera

    wasn’t expecting much honestly but the TB it works better than I expected honestly

  204. Laura White

    This definitely doing what it should. sticking with Telos

  205. Donna Flores

    Anti-inflammatory study results have been consistently strong. Long-time customer here and stable at -20°C for the duration of our 3-month study. Nothing else compares at this purity level.

  206. George Hernandez

    Thymosin Beta-4 research requires absolute purity — Telos provides it. CoA documentation was thorough and the cold-chain shipping keeps the compound perfectly stable. Nothing else compares at this purity level.

  207. Sandra Ward

    Just got my second order and it showed up in 2 days. the TB working exactly as I hoped

  208. Patrick Hernandez

    This I can tell it’s doing something, really happy with it

  209. Ann Turner

    honestly wasn’t sure about this at first but shipping was quick, 2 days. this definitely doing what it should. the vials and box looked really premium, clean and well made. will definitely order again

  210. Kelly Bailey

    my friend put me on to this and it showed up in 2 days. the vials and box looked really premium, clean and well made. TB 500 I can tell it’s doing something, really happy with it. 10/10 would order again

  211. Alexander Cruz

    the price-to-purity ratio is the best available. Wound healing assay results exceeded our study predictions. Nothing else compares at this purity level.

  212. Donna Thompson

    Anti-inflammatory study results have been consistently strong. Tested two batches side by side and customer support was responsive when I had a question.

  213. Emma Rogers

    Tested two batches side by side and no issues across four consecutive orders. Wound healing assay results exceeded our study predictions. Standard order in our lab now.

  214. Frank Smith

    The lyophilized powder reconstituted instantly and HPLC verified at 99.3% — among the cleanest TB-500 we’ve tested. discreet shipping and professional packaging every time. Best in class.

  215. Carol Ward

    got here in like 2 days. this it works better than I expected honestly. the vials and box looked really premium, clean and well made. already placed my next order

  216. Shirley Gutierrez

    This is my third order now and it showed up in 3 days. this actually works which surprised me a little

  217. Justin Adams

    took 3 days to get to me but still pretty fast. the TB definitely doing what it should. already reordered

  218. Doris Stewart

    First order from Telos and Our tissue repair study has depended on TB-500 for four months. this is now the only source our lab uses for research-grade compounds.

  219. Donna Cox

    Tried this on a recommendation and it showed up in 2 days. the TB results are there, can’t complain

  220. Pamela Allen

    started using this a month ago and it showed up in 2 days. packaging was really discreet, looked like regular mail. no one would ever know what it was. TB 500 it works, simple as that. will definitely order again

  221. Raymond White

    Been a customer for a while now and it showed up in 2 days. TB 500 does what it promises. going to keep ordering for sure

  222. Dennis Peterson

    every batch has tested cleanly with no impurities detected. Actin-binding research confirmed peptide activity aligned with literature. Our entire lab has switched to Telos.

  223. Donna Howard

    TB 500 this actually works. already placed my next order

  224. Joshua Henderson

    Been using this for a few weeks now and the TB working exactly as I hoped. plain packaging outside which was perfect, but inside the box and vials looked really elegant and professional

  225. Matthew Thomas

    For recovery and regeneration studies, this is our compound of choice. Long-time customer here and the documentation and CoA process is the most transparent I’ve seen. Will reorder.

  226. Laura Turner

    TB 500 actually works which surprised me a little. will be a repeat customer

  227. Justin Gutierrez

    The lyophilized powder reconstituted instantly and HPLC verified at 99.3% — among the cleanest TB-500 we’ve tested. customer support was responsive when I had a question. Five stars without hesitation.

  228. Laura Anderson

    honestly wasn’t sure about this at first but this does what it promises. will be a repeat customer

  229. Robert Gomez

    Started using this a month ago and it showed up in 2 days. came like regular mail on the outside but inside the vials and packaging were clean and really nice looking. TB 500 working exactly as I hoped. will definitely order again

  230. Jonathan Anderson

    Started using this a month ago and the TB it works better than I expected honestly. the vials and box looked really premium, clean and well made. won’t be switching to anything else

  231. Carol Morales

    the cold-chain shipping keeps the compound perfectly stable. Thymosin Beta-4 research requires absolute purity — Telos provides it.

  232. Alice Sanders

    Wasn’t expecting much honestly but the TB it works, simple as that. the vials and box looked really premium, clean and well made. will be a repeat customer

  233. Larry Wright

    Packaging was pristine on arrival and Three years of sourcing TB-500 — Telos is the best we’ve found. the price-to-purity ratio is the best available. Will reorder.

  234. Rebecca Nelson

    The TB definitely doing what it should. won’t be switching to anything else

  235. Charles Nguyen

    Three years of sourcing TB-500 — Telos is the best we’ve found. Our research team evaluated several suppliers and no batch-to-batch variation — exactly what long studies need. Will reorder.

  236. Janet Myers

    tB 500 it works, simple as that

  237. Daniel Williams

    stable at -20°C for the duration of our 3-month study. Actin-binding research confirmed peptide activity aligned with literature.

  238. Sharon Sullivan

    took 3 days to get to me but still pretty fast. TB 500 definitely doing what it should. already placed my next order

  239. Carolyn Mitchell

    HPLC verified at 99.3% — among the cleanest TB-500 we’ve tested. Ordered based on a colleague’s recommendation and no issues across four consecutive orders. Will not source this elsewhere.

  240. Patrick Bennett

    Tried this on a recommendation and the TB results are there, can’t complain. the branded box and vials inside were honestly really elegant

  241. Melissa Wilson

    got here in 2 days which was great. the TB definitely doing what it should. not going anywhere else for this

  242. Stephen Cox

    this is my third order now and came in 3 days, fast enough for me. TB 500 I can tell it’s doing something, really happy with it. outer packaging was plain like any other package, really discreet. will be a repeat customer

  243. Janet Cook

    Just got my second order and showed up in 2 days, way faster than I expected. this been getting results so I’m happy. the actual packaging inside was really elegant, way nicer than I expected honestly

  244. Ronald Johnson

    First order from Telos and Telos is simply the most reliable supplier in the US market. Wound healing assay results exceeded our study predictions. Will reorder.

  245. Carolyn Nelson

    honestly wasn’t sure about this at first but it showed up in 3 days. came in really plain packaging which I appreciated. the TB this actually works. already on my third order

  246. Kenneth Wright

    wasn’t expecting much honestly but 2 day delivery which I was happy about. the TB this actually works. the outer box was super plain, nothing on it. exactly what I needed. already placed my next order

  247. Steven Gomez

    Got here in 2 days which was great. the TB results are there, can’t complain

  248. Laura Ramirez

    Picked this up after seeing it recommended and it showed up in 2 days. came like regular mail on the outside but inside the vials and packaging were clean and really nice looking. TB 500 definitely doing what it should. already placed my next order

  249. Rachel Flores

    Arrived faster than I expected, 2 days. the TB actually works which surprised me a little. already placed my next order

  250. Donna Lopez

    tB 500 can definitely tell it’s working

Only logged in customers who have purchased this product may leave a review.

Orders ship within 1–2 business days. Free shipping on orders over $200. All packages arrive in discreet plain outer packaging with no product names visible. Domestic delivery in 2–3 days.

All sales of research products are final. Please refer to our Return & Refunds Policy for full details.

Store below -18°C away from light and moisture. Once reconstituted refrigerate at 2–8°C and use within 28 days. Handle with sterile technique at all times.

TB-500$120.00
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