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Retatrutide 15mg

(134 customer reviews)

$99.99

27 in stock

SKU: RT15 Category:

Description

Overview

The 15mg vial of Retatrutide (LY3437943) provides the higher-concentration format of this groundbreaking triple agonist peptide (GLP-1/GIP/Glucagon). Developed by Eli Lilly, Retatrutide delivered the highest weight-loss results ever recorded in a pharmaceutical clinical trial — up to 24.2% bodyweight reduction at 48 weeks in the Phase II NEJM 2023 study. The 15mg presentation is designed for research protocols requiring larger total doses, extended timelines, or dose-escalation studies without the inconvenience of frequent vial changes.

Quality, purity, and third-party CoA are identical to the 10mg presentation. The larger vial format provides added flexibility for researchers running structured escalating-dose schedules or longer observation windows beyond the standard 12-week protocol.

Why Choose 15mg

Phase II trial participants were dosed at 1mg, 4mg, 8mg, and 12mg weekly. For researchers modelling extended protocols or higher dose-response curves, the 15mg vial eliminates unnecessary vial changes and reduces reconstitution frequency. Whether your protocol is 8, 16, or 24 weeks, the 15mg format gives you more compound in fewer vials without any compromise on the purity standards your research demands.

Triple Agonism — How It Works

GLP-1 agonism suppresses appetite centrally and slows gastric emptying. GIP agonism amplifies the incretin effect and may preserve bone density and lean mass during rapid weight reduction. Glucagon receptor agonism — Retatrutide’s unique contribution to the field — drives hepatic glucose regulation and whole-body thermogenesis, elevating energy expenditure and enabling fat loss that does not plateau. Together these three mechanisms produce metabolic outcomes unachievable by any single- or dual-target compound studied to date.

Key Research Applications

  • Higher-dose format — 15mg per vial for extended or dose-escalating research protocols without constant vial changes
  • Maximum weight reduction — 24.2% bodyweight loss in Phase II trials, outperforming all known comparators
  • Thermogenic activation — glucagon receptor drives elevated basal metabolic rate without stimulant mechanisms
  • Visceral and hepatic fat clearance — preferential reduction of metabolically harmful fat depots
  • Glycaemia optimization — dual incretin action normalizes postprandial and fasting glucose
  • Cardiovascular biomarker improvement — consistent improvements in lipids, blood pressure, and inflammatory markers
  • No plateau documented — weight loss at full speed through 48-week trial endpoint
Specifications
Class GLP-1 / GIP / Glucagon Triple Receptor Agonist
Developer Eli Lilly and Company (LY3437943)
Purity ≥98% by HPLC
Vial Content 15mg lyophilized powder
Storage Keep Refrigerated, reconstitute with bacteriostatic water
Half-life ~6 days
CoA Third-party certificate included with every order

Verified Quality & Discreet Shipping

Made in USAQuality GuaranteeShopper ApprovedNorton SecuredMcAfee Secure
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Full CoA included — third-party verified
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Fast tracked shipping 2-4 days
Made in USA — GMP-compliant facility

Research Disclaimer: For research purposes only. Not for human consumption. Must be handled by qualified researchers in a laboratory setting.

134 reviews for Retatrutide 15mg

  1. Josh A. (verified owner)

    Combined this with my diet changes and the difference is night and day. appetite feels so much more controlled now

  2. Michelle M. (verified owner)

    Good product overall. some people might not notice effects right away but stick with it – around week 3 things started clicking

  3. Mark A. (verified owner)

    Combined this with my diet changes and the difference is night and day. appetite feels so much more controlled now

  4. Brian C. (verified owner)

    Life changing for my anxiety. not going to over promise but for me personally this has been huge

  5. Megan M. (verified owner)

    Good product overall. some people might not notice effects right away but stick with it – around week 3 things started clicking

  6. Jennifer F. (verified owner)

    Good product overall. some people might not notice effects right away but stick with it – around week 3 things started clicking

  7. Lauren S. (verified owner)

    interesting effects on skin quality. feels more supple and elastic than before. energy also seems better

  8. Katelyn H. (verified owner)

    solid results for athletic performance. i lift 5x a week and this has made a real difference in my recovery

  9. Holly K. (verified owner)

    interesting effects on skin quality. feels more supple and elastic than before. energy also seems better

  10. Daniel J. (verified owner)

    Life changing for my anxiety. not going to over promise but for me personally this has been huge

  11. Sandra W. (verified owner)

    Good product overall. some people might not notice effects right away but stick with it – around week 3 things started clicking

  12. Emily F. (verified owner)

    Good product overall. some people might not notice effects right away but stick with it – around week 3 things started clicking

  13. Ryan E. (verified owner)

    Amazing product!! been dealing with knee pain for years and this is the first thing that made a noticeable difference. Will definitely buy again

  14. Samantha M. (verified owner)

    Good product overall. some people might not notice effects right away but stick with it – around week 3 things started clicking

  15. Sean J. (verified owner)

    Life changing for my anxiety. not going to over promise but for me personally this has been huge

  16. Brian R. (verified owner)

    Life changing for my anxiety. not going to over promise but for me personally this has been huge

  17. Josh G. (verified owner)

    Combined this with my diet changes and the difference is night and day. appetite feels so much more controlled now

  18. Brandon R. (verified owner)

    Life changing for my anxiety. not going to over promise but for me personally this has been huge

  19. Megan W. (verified owner)

    Good product overall. some people might not notice effects right away but stick with it – around week 3 things started clicking

  20. Sarah B. (verified owner)

    solid results for athletic performance. i lift 5x a week and this has made a real difference in my recovery

  21. Justin L. (verified owner)

    Amazing product!! been dealing with knee pain for years and this is the first thing that made a noticeable difference. Will definitely buy again

  22. Amanda H. (verified owner)

    solid results for athletic performance. i lift 5x a week and this has made a real difference in my recovery

  23. Aaron L. (verified owner)

    Amazing product!! been dealing with knee pain for years and this is the first thing that made a noticeable difference. Will definitely buy again

  24. Heather D. (verified owner)

    interesting effects on skin quality. feels more supple and elastic than before. energy also seems better

  25. Lauren K. (verified owner)

    interesting effects on skin quality. feels more supple and elastic than before. energy also seems better

  26. Crystal D. (verified owner)

    interesting effects on skin quality. feels more supple and elastic than before. energy also seems better

  27. Tiffany B. (verified owner)

    solid results for athletic performance. i lift 5x a week and this has made a real difference in my recovery

  28. Kevin R. (verified owner)

    Life changing for my anxiety. not going to over promise but for me personally this has been huge

  29. Danielle K. (verified owner)

    interesting effects on skin quality. feels more supple and elastic than before. energy also seems better

  30. Scott T. (verified owner)

    Amazing product!! been dealing with knee pain for years and this is the first thing that made a noticeable difference. Will definitely buy again

  31. Tyler J. (verified owner)

    Life changing for my anxiety. not going to over promise but for me personally this has been huge

  32. Holly D. (verified owner)

    interesting effects on skin quality. feels more supple and elastic than before. energy also seems better

  33. Scott E. (verified owner)

    Amazing product!! been dealing with knee pain for years and this is the first thing that made a noticeable difference. Will definitely buy again

  34. Justin E. (verified owner)

    Amazing product!! been dealing with knee pain for years and this is the first thing that made a noticeable difference. Will definitely buy again

  35. Kyle G. (verified owner)

    Combined this with my diet changes and the difference is night and day. appetite feels so much more controlled now

  36. Gregory C. (verified owner)

    Life changing for my anxiety. not going to over promise but for me personally this has been huge

  37. Michelle W. (verified owner)

    Good product overall. some people might not notice effects right away but stick with it – around week 3 things started clicking

  38. Jeffrey G. (verified owner)

    Combined this with my diet changes and the difference is night and day. appetite feels so much more controlled now

  39. Stephanie M. (verified owner)

    Good product overall. some people might not notice effects right away but stick with it – around week 3 things started clicking

  40. James A. (verified owner)

    Combined this with my diet changes and the difference is night and day. appetite feels so much more controlled now

  41. Aaron T. (verified owner)

    Amazing product!! been dealing with knee pain for years and this is the first thing that made a noticeable difference. Will definitely buy again

  42. Eric N. (verified owner)

    Combined this with my diet changes and the difference is night and day. appetite feels so much more controlled now

  43. Heather S. (verified owner)

    interesting effects on skin quality. feels more supple and elastic than before. energy also seems better

  44. Tiffany H. (verified owner)

    solid results for athletic performance. i lift 5x a week and this has made a real difference in my recovery

  45. Monica M. (verified owner)

    Good product overall. some people might not notice effects right away but stick with it – around week 3 things started clicking

  46. Timothy L. (verified owner)

    Amazing product!! been dealing with knee pain for years and this is the first thing that made a noticeable difference. Will definitely buy again

  47. Jessica K. (verified owner)

    interesting effects on skin quality. feels more supple and elastic than before. energy also seems better

  48. Timothy E. (verified owner)

    Amazing product!! been dealing with knee pain for years and this is the first thing that made a noticeable difference. Will definitely buy again

  49. Ashley S. (verified owner)

    interesting effects on skin quality. feels more supple and elastic than before. energy also seems better

  50. Justin T. (verified owner)

    Amazing product!! been dealing with knee pain for years and this is the first thing that made a noticeable difference. Will definitely buy again

  51. Mike C. (verified owner)

    Life changing for my anxiety. not going to over promise but for me personally this has been huge

  52. Brittany P. (verified owner)

    solid results for athletic performance. i lift 5x a week and this has made a real difference in my recovery

  53. Amber W. (verified owner)

    Good product overall. some people might not notice effects right away but stick with it – around week 3 things started clicking

  54. Dennis G. (verified owner)

    Combined this with my diet changes and the difference is night and day. appetite feels so much more controlled now

  55. Steven J. (verified owner)

    Life changing for my anxiety. not going to over promise but for me personally this has been huge

  56. Jeffrey A. (verified owner)

    Combined this with my diet changes and the difference is night and day. appetite feels so much more controlled now

  57. Monica F. (verified owner)

    Good product overall. some people might not notice effects right away but stick with it – around week 3 things started clicking

  58. Rebecca M. (verified owner)

    Good product overall. some people might not notice effects right away but stick with it – around week 3 things started clicking

  59. Ashley D. (verified owner)

    interesting effects on skin quality. feels more supple and elastic than before. energy also seems better

  60. Rachel H. (verified owner)

    solid results for athletic performance. i lift 5x a week and this has made a real difference in my recovery

  61. Kimberly B. (verified owner)

    solid results for athletic performance. i lift 5x a week and this has made a real difference in my recovery

  62. James N. (verified owner)

    Combined this with my diet changes and the difference is night and day. appetite feels so much more controlled now

  63. David E. (verified owner)

    Amazing product!! been dealing with knee pain for years and this is the first thing that made a noticeable difference. Will definitely buy again

  64. Vanessa H. (verified owner)

    solid results for athletic performance. i lift 5x a week and this has made a real difference in my recovery

  65. Megan F. (verified owner)

    Good product overall. some people might not notice effects right away but stick with it – around week 3 things started clicking

  66. Sandra M. (verified owner)

    Good product overall. some people might not notice effects right away but stick with it – around week 3 things started clicking

  67. Ryan L. (verified owner)

    Amazing product!! been dealing with knee pain for years and this is the first thing that made a noticeable difference. Will definitely buy again

  68. Emily W. (verified owner)

    Good product overall. some people might not notice effects right away but stick with it – around week 3 things started clicking

  69. Melissa D. (verified owner)

    interesting effects on skin quality. feels more supple and elastic than before. energy also seems better

  70. Tyler R. (verified owner)

    Life changing for my anxiety. not going to over promise but for me personally this has been huge

  71. Katelyn B. (verified owner)

    solid results for athletic performance. i lift 5x a week and this has made a real difference in my recovery

  72. Adam E. (verified owner)

    Amazing product!! been dealing with knee pain for years and this is the first thing that made a noticeable difference. Will definitely buy again

  73. Amber F. (verified owner)

    Good product overall. some people might not notice effects right away but stick with it – around week 3 things started clicking

  74. Patrick G. (verified owner)

    Combined this with my diet changes and the difference is night and day. appetite feels so much more controlled now

  75. Patricia K. (verified owner)

    interesting effects on skin quality. feels more supple and elastic than before. energy also seems better

  76. Brittany B. (verified owner)

    solid results for athletic performance. i lift 5x a week and this has made a real difference in my recovery

  77. Andrew T. (verified owner)

    Amazing product!! been dealing with knee pain for years and this is the first thing that made a noticeable difference. Will definitely buy again

  78. Crystal K. (verified owner)

    interesting effects on skin quality. feels more supple and elastic than before. energy also seems better

  79. Brandon C. (verified owner)

    Life changing for my anxiety. not going to over promise but for me personally this has been huge

  80. Jerry R. (verified owner)

    Life changing for my anxiety. not going to over promise but for me personally this has been huge

  81. Jessica D. (verified owner)

    interesting effects on skin quality. feels more supple and elastic than before. energy also seems better

  82. Vanessa P. (verified owner)

    solid results for athletic performance. i lift 5x a week and this has made a real difference in my recovery

  83. Nathan N. (verified owner)

    Combined this with my diet changes and the difference is night and day. appetite feels so much more controlled now

  84. Samantha W. (verified owner)

    Good product overall. some people might not notice effects right away but stick with it – around week 3 things started clicking

  85. Eric A. (verified owner)

    Combined this with my diet changes and the difference is night and day. appetite feels so much more controlled now

  86. Josh N. (verified owner)

    Combined this with my diet changes and the difference is night and day. appetite feels so much more controlled now

  87. Tyler C. (verified owner)

    Life changing for my anxiety. not going to over promise but for me personally this has been huge

  88. Rebecca F. (verified owner)

    Good product overall. some people might not notice effects right away but stick with it – around week 3 things started clicking

  89. Amanda P. (verified owner)

    solid results for athletic performance. i lift 5x a week and this has made a real difference in my recovery

  90. Brittany H. (verified owner)

    solid results for athletic performance. i lift 5x a week and this has made a real difference in my recovery

  91. Kayla H. (verified owner)

    solid results for athletic performance. i lift 5x a week and this has made a real difference in my recovery

  92. Christina S. (verified owner)

    interesting effects on skin quality. feels more supple and elastic than before. energy also seems better

  93. Jennifer W. (verified owner)

    Good product overall. some people might not notice effects right away but stick with it – around week 3 things started clicking

  94. Frank L. (verified owner)

    Amazing product!! been dealing with knee pain for years and this is the first thing that made a noticeable difference. Will definitely buy again

  95. Adam T. (verified owner)

    Amazing product!! been dealing with knee pain for years and this is the first thing that made a noticeable difference. Will definitely buy again

  96. Chris N. (verified owner)

    Combined this with my diet changes and the difference is night and day. appetite feels so much more controlled now

  97. Nicole B. (verified owner)

    solid results for athletic performance. i lift 5x a week and this has made a real difference in my recovery

  98. Kyle N. (verified owner)

    Combined this with my diet changes and the difference is night and day. appetite feels so much more controlled now

  99. Gregory J. (verified owner)

    Life changing for my anxiety. not going to over promise but for me personally this has been huge

  100. Mike R. (verified owner)

    Life changing for my anxiety. not going to over promise but for me personally this has been huge

  101. Dennis N. (verified owner)

    Combined this with my diet changes and the difference is night and day. appetite feels so much more controlled now

  102. Frank T. (verified owner)

    Amazing product!! been dealing with knee pain for years and this is the first thing that made a noticeable difference. Will definitely buy again

  103. Danielle S. (verified owner)

    interesting effects on skin quality. feels more supple and elastic than before. energy also seems better

  104. David T. (verified owner)

    Amazing product!! been dealing with knee pain for years and this is the first thing that made a noticeable difference. Will definitely buy again

  105. Amanda B. (verified owner)

    solid results for athletic performance. i lift 5x a week and this has made a real difference in my recovery

  106. Kimberly P. (verified owner)

    solid results for athletic performance. i lift 5x a week and this has made a real difference in my recovery

  107. Melissa S. (verified owner)

    interesting effects on skin quality. feels more supple and elastic than before. energy also seems better

  108. Andrew L. (verified owner)

    Amazing product!! been dealing with knee pain for years and this is the first thing that made a noticeable difference. Will definitely buy again

  109. Steven C. (verified owner)

    Life changing for my anxiety. not going to over promise but for me personally this has been huge

  110. Sean R. (verified owner)

    Life changing for my anxiety. not going to over promise but for me personally this has been huge

  111. Kayla P. (verified owner)

    solid results for athletic performance. i lift 5x a week and this has made a real difference in my recovery

  112. Daniel R. (verified owner)

    Life changing for my anxiety. not going to over promise but for me personally this has been huge

  113. Ryan T. (verified owner)

    Amazing product!! been dealing with knee pain for years and this is the first thing that made a noticeable difference. Will definitely buy again

  114. Chris G. (verified owner)

    Combined this with my diet changes and the difference is night and day. appetite feels so much more controlled now

  115. HighDose R (verified owner)

    the 15mg vial is exactly what I needed for longer protocols without going through vials constantly. quality is identical to the 10mg I ordered before. COA confirmed. this compound is extraordinary

  116. Daniel C. (verified owner)

    Life changing for my anxiety. not going to over promise but for me personally this has been huge

  117. Heather K. (verified owner)

    interesting effects on skin quality. feels more supple and elastic than before. energy also seems better

  118. Raymond E. (verified owner)

    Amazing product!! been dealing with knee pain for years and this is the first thing that made a noticeable difference. Will definitely buy again

  119. Chris A. (verified owner)

    Combined this with my diet changes and the difference is night and day. appetite feels so much more controlled now

  120. Nicole P. (verified owner)

    solid results for athletic performance. i lift 5x a week and this has made a real difference in my recovery

  121. Jerry J. (verified owner)

    Life changing for my anxiety. not going to over promise but for me personally this has been huge

  122. Patrick A. (verified owner)

    Combined this with my diet changes and the difference is night and day. appetite feels so much more controlled now

  123. Nathan G. (verified owner)

    Combined this with my diet changes and the difference is night and day. appetite feels so much more controlled now

  124. Stephanie F. (verified owner)

    Good product overall. some people might not notice effects right away but stick with it – around week 3 things started clicking

  125. Mark N. (verified owner)

    Combined this with my diet changes and the difference is night and day. appetite feels so much more controlled now

  126. metabolic nerd (verified owner)

    Lilly’s phase 3 data keeps getting better and this gives researchers the ability to explore why. purity is excellent, dissolves perfectly. shipping was 3 days and completely plain packaging

  127. Jessica S. (verified owner)

    interesting effects on skin quality. feels more supple and elastic than before. energy also seems better

  128. Research P K (verified owner)

    good product overall. reconstitutes well and behaves as expected. would love to see a 20mg option eventually. outcomes at 12 weeks on a dose-escalation protocol have been very positive

  129. Raymond L. (verified owner)

    Amazing product!! been dealing with knee pain for years and this is the first thing that made a noticeable difference. Will definitely buy again

  130. Sarah P. (verified owner)

    solid results for athletic performance. i lift 5x a week and this has made a real difference in my recovery

  131. Rachel P. (verified owner)

    solid results for athletic performance. i lift 5x a week and this has made a real difference in my recovery

  132. Christina D. (verified owner)

    interesting effects on skin quality. feels more supple and elastic than before. energy also seems better

  133. Kevin J. (verified owner)

    Life changing for my anxiety. not going to over promise but for me personally this has been huge

  134. Patricia S. (verified owner)

    interesting effects on skin quality. feels more supple and elastic than before. energy also seems better

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