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Peptides for Bodybuilding

The peptides people most often research for bodybuilding, with how much evidence exists for each. A long list does not mean any of them is proven to work in people.

Medically reviewed by Juan Pablo Frías, MD · · DisclosureUpdated
Peptides listed
8
With human trials
3
FDA approved (any use)
6
Searches per month
11,050
Showing 8 peptides · ordered by search interest for this goal
  1. hCGGonadotropinHuman RCT evidence, 4 of 4Clinical endocrinology 2009, PMID 19170708Human53Animal2Summarised2FDA approved (prescription only)Overview
  2. EnclomipheneSERM (not a peptide)No study with an outcome for bodybuildingPubMed search, 2 Oct 2026Human0Animal0Summarised0Not FDA approved · compoundedOverview
  3. HGHRecombinant growth hormoneNo study with an outcome for bodybuildingPubMed search, 2 Oct 2026Human316Animal39Summarised1FDA approved (prescription only)Overview
  4. SermorelinGHRH analogNo study with an outcome for bodybuildingPubMed search, 2 Oct 2026Human1Animal0Summarised1Compounded by prescriptionOverview
  5. TirzepatideGLP-1 / GIP dual agonistHuman RCT evidence, 4 of 4Diabetes, obesity & metabolism 2025, PMID 39996356Human59Animal1Summarised2FDA approved (Mounjaro, Zepbound)Overview
  6. CJC-1295GHRH analogNo study with an outcome for bodybuildingPubMed search, 2 Oct 2026Human3Animal1Summarised1Not FDA approved · research chemicalOverview
  7. BPC-157Gastric pentadecapeptideNo study with an outcome for bodybuildingPubMed search, 2 Oct 2026Human1Animal0Summarised0PCAC voted 8–6 for 503A (Jul 2026)Overview
  8. IGF-1 LR3IGF-1 analogHuman observational evidence, 3 of 4Growth hormone & IGF research 2010, PMID 20675162Human0Animal4Summarised2Not FDA approved · research chemicalOverview
Read this first

What this list does not show

Search demand tells you what people are curious about, not what works. Read each peptide's evidence before anything else.

Search interest is not evidence

This list follows what people search for and discuss. It says nothing about how well any peptide works.

Animal results may not carry over

Doses, routes and effects seen in rodents or cell dishes often have no tested human equivalent.

Approval covers specific uses

An FDA approval applies to the conditions and doses on the label, not to every goal a drug is searched with.

Combinations are a separate question

Blends and stacks put several peptides together. Evidence for one peptide is not evidence for the mix.
Related goals

Explore nearby goals

What people search

  • bodybuilding peptides8,100/mo
  • best peptides for bodybuilding2,900/mo
  • peptide stack for bodybuilding30/mo
  • peptide injections for bodybuilding20/mo

US monthly searches, Google Keyword Planner, Oct 2026. Shown so you can see which questions this page answers.

Sources

  1. 1Effects of recombinant human LH and hCG on serum and urine LH and androgens in men.Clinical endocrinology · 2009PMID 19170708Accessed 2 Oct 2026
  2. 2Body composition changes during weight reduction with tirzepatide in the SURMOUNT-1 study of adults with obesity or overweight.Diabetes, obesity & metabolism · 2025PMID 39996356Accessed 2 Oct 2026
  3. 3Detection of His-tagged Long-R³-IGF-I in a black market product.Growth hormone & IGF research : official journal of the Growth Hormone Research Society and the International IGF Research Society · 2010PMID 20675162Accessed 2 Oct 2026
  4. 4PubMed search: enclomiphene[tiab] OR enclomifene[tiab] OR "trans-clomiphene"[tiab] (98 results)PubMed · 2026pubmed.ncbi.nlm.nih.govAccessed 2 Oct 2026
  5. 5PubMed search: (enclomiphene[tiab] OR enclomifene[tiab]) AND (randomized controlled trial[pt] OR clinical trial[pt] OR meta-analysis[pt]) (9 results)PubMed · 2026pubmed.ncbi.nlm.nih.govAccessed 2 Oct 2026
  6. 6PubMed search: (enclomiphene[tiab] OR enclomifene[tiab]) AND (hypogonadism[tiab] OR testosterone[tiab]) AND humans[mh] (17 results)PubMed · 2026pubmed.ncbi.nlm.nih.govAccessed 2 Oct 2026
  7. 7PubMed search: (enclomiphene[tiab] OR enclomifene[tiab]) AND (half-life[tiab] OR pharmacokinetic*[tiab]) (5 results)PubMed · 2026pubmed.ncbi.nlm.nih.govAccessed 2 Oct 2026
  8. 8PubMed search: (somatropin[tiab] OR "recombinant human growth hormone"[tiab] OR rhGH[tiab] OR "growth hormone replacement"[tiab] OR "growth hormone treatment"[tiab] OR "growth hormone therapy"[tiab]) AND adult*[tiab] AND (meta-analysis[pt] OR systematic review[pt]) (68 results)PubMed · 2026pubmed.ncbi.nlm.nih.govAccessed 2 Oct 2026
  9. 9PubMed search: (somatropin[tiab] OR "recombinant human growth hormone"[tiab] OR rhGH[tiab] OR "growth hormone replacement"[tiab] OR "growth hormone treatment"[tiab] OR "growth hormone therapy"[tiab]) AND ("growth hormone deficiency"[tiab]) AND adult*[tiab] AND randomized controlled trial[pt] (66 results)PubMed · 2026pubmed.ncbi.nlm.nih.govAccessed 2 Oct 2026
  10. 10PubMed search: (somatropin[tiab] OR "recombinant human growth hormone"[tiab] OR rhGH[tiab] OR "growth hormone replacement"[tiab] OR "growth hormone treatment"[tiab] OR "growth hormone therapy"[tiab]) AND (elderly[tiab] OR "older adults"[tiab] OR healthy[tiab]) AND (systematic review[pt] OR meta-analysis[pt]) (8 results)PubMed · 2026pubmed.ncbi.nlm.nih.govAccessed 2 Oct 2026
  11. 11PubMed search: (somatropin[tiab] OR "recombinant human growth hormone"[tiab] OR rhGH[tiab] OR "growth hormone replacement"[tiab] OR "growth hormone treatment"[tiab] OR "growth hormone therapy"[tiab]) AND (athlet*[tiab] OR "physical performance"[tiab] OR "recreational"[tiab]) AND (randomized controlled trial[pt] OR systematic review[pt]) (20 results)PubMed · 2026pubmed.ncbi.nlm.nih.govAccessed 2 Oct 2026
  12. 12PubMed search: (somatropin[tiab] OR "recombinant human growth hormone"[tiab] OR rhGH[tiab] OR "growth hormone replacement"[tiab] OR "growth hormone treatment"[tiab] OR "growth hormone therapy"[tiab]) AND sleep[tiab] AND (randomized controlled trial[pt] OR clinical trial[pt]) (12 results)PubMed · 2026pubmed.ncbi.nlm.nih.govAccessed 2 Oct 2026
  13. 13PubMed search: (somatropin[tiab] OR "recombinant human growth hormone"[tiab] OR rhGH[tiab] OR "growth hormone replacement"[tiab] OR "growth hormone treatment"[tiab] OR "growth hormone therapy"[tiab]) AND (tendon[tiab] OR collagen[tiab] OR "wound healing"[tiab] OR fracture[tiab]) AND (randomized controlled trial[pt] OR clinical trial[pt] OR meta-analysis[pt]) (55 results)PubMed · 2026pubmed.ncbi.nlm.nih.govAccessed 2 Oct 2026
  14. 14PubMed search: (somatropin[tiab] OR "recombinant human growth hormone"[tiab] OR rhGH[tiab] OR "growth hormone replacement"[tiab] OR "growth hormone treatment"[tiab] OR "growth hormone therapy"[tiab]) AND (cardiovascular[tiab] OR cardiac[tiab] OR "blood pressure"[tiab] OR cholesterol[tiab] OR lipid*[tiab]) AND adult*[tiab] AND (meta-analysis[pt] OR systematic review[pt] OR randomized controlled trial[pt]) (77 results)PubMed · 2026pubmed.ncbi.nlm.nih.govAccessed 2 Oct 2026
  15. 15PubMed search: (somatropin[tiab] OR "recombinant human growth hormone"[tiab] OR rhGH[tiab] OR "growth hormone replacement"[tiab] OR "growth hormone treatment"[tiab] OR "growth hormone therapy"[tiab]) AND (diabetes[tiab] OR "insulin resistance"[tiab] OR glucose[tiab]) AND adult*[tiab] AND (meta-analysis[pt] OR systematic review[pt] OR randomized controlled trial[pt]) (52 results)PubMed · 2026pubmed.ncbi.nlm.nih.govAccessed 2 Oct 2026
  16. 16PubMed search: (somatropin[tiab] OR "recombinant human growth hormone"[tiab] OR rhGH[tiab] OR "growth hormone replacement"[tiab] OR "growth hormone treatment"[tiab] OR "growth hormone therapy"[tiab]) AND (skin[tiab] OR hair[tiab] OR aging[tiab]) AND (randomized controlled trial[pt] OR clinical trial[pt]) (30 results)PubMed · 2026pubmed.ncbi.nlm.nih.govAccessed 2 Oct 2026
  17. 17PubMed search: (somatropin[tiab] OR "recombinant human growth hormone"[tiab] OR rhGH[tiab] OR "growth hormone replacement"[tiab] OR "growth hormone treatment"[tiab] OR "growth hormone therapy"[tiab]) AND ("sexual function"[tiab] OR libido[tiab] OR "erectile"[tiab] OR "quality of life"[tiab]) AND adult*[tiab] AND (randomized controlled trial[pt] OR meta-analysis[pt]) (29 results)PubMed · 2026pubmed.ncbi.nlm.nih.govAccessed 2 Oct 2026
  18. 18PubMed search: (sermorelin[tiab] OR Geref[tiab]) (34 results)PubMed · 2026pubmed.ncbi.nlm.nih.govAccessed 2 Oct 2026
  19. 19PubMed search: (sermorelin[tiab] OR "GHRH(1-29)"[tiab] OR "GRF(1-29)"[tiab] OR "GHRH 1-29"[tiab]) AND (elderly[tiab] OR aging[tiab] OR "older adults"[tiab] OR adults[tiab]) AND (treatment[tiab] OR therapy[tiab] OR administration[tiab]) (15 results)PubMed · 2026pubmed.ncbi.nlm.nih.govAccessed 2 Oct 2026
  20. 20PubMed search: (sermorelin[tiab] OR Geref[tiab]) AND (half-life[tiab] OR pharmacokinetic*[tiab]) (2 results)PubMed · 2026pubmed.ncbi.nlm.nih.govAccessed 2 Oct 2026
  21. 21PubMed search: ("CJC-1295"[tiab] OR CJC1295[tiab]) (33 results)PubMed · 2026pubmed.ncbi.nlm.nih.govAccessed 2 Oct 2026
  22. 22PubMed search: ("CJC-1295"[tiab] OR CJC1295[tiab]) AND (half-life[tiab] OR pharmacokinetic*[tiab]) (7 results)PubMed · 2026pubmed.ncbi.nlm.nih.govAccessed 2 Oct 2026
  23. 23PubMed search: "BPC-157"[tiab] OR BPC157[tiab] OR "body protection compound"[tiab] OR "pentadecapeptide BPC"[tiab] (230 results)PubMed · 2026pubmed.ncbi.nlm.nih.govAccessed 2 Oct 2026
  24. 24PubMed search: ("BPC-157"[tiab] OR BPC157[tiab] OR "body protection compound"[tiab]) AND (half-life[tiab] OR pharmacokinetic*[tiab]) (7 results)PubMed · 2026pubmed.ncbi.nlm.nih.govAccessed 2 Oct 2026
  25. 25PubMed search: "BPC-157"[tiab] AND humans[mh] (52 results)PubMed · 2026pubmed.ncbi.nlm.nih.govAccessed 2 Oct 2026
  26. 26PubMed search: ("BPC-157"[tiab] OR BPC157[tiab] OR "body protection compound"[tiab] OR "pentadecapeptide BPC"[tiab]) AND (patients[tiab] OR clinical trial[pt] OR randomized[tiab]) (25 results)PubMed · 2026pubmed.ncbi.nlm.nih.govAccessed 2 Oct 2026
  27. 27PubMed search: ("BPC-157"[tiab] OR BPC157[tiab] OR "body protection compound"[tiab] OR "pentadecapeptide BPC"[tiab]) AND (colitis[tiab] OR inflammatory bowel[tiab]) (48 results)PubMed · 2026pubmed.ncbi.nlm.nih.govAccessed 2 Oct 2026
  28. 28PubMed search: ("BPC-157"[tiab] OR BPC157[tiab] OR "body protection compound"[tiab] OR "pentadecapeptide BPC"[tiab]) AND (tendon[tiab] OR ligament[tiab] OR muscle[tiab] OR bone[tiab] OR arthritis[tiab]) (58 results)PubMed · 2026pubmed.ncbi.nlm.nih.govAccessed 2 Oct 2026
  29. 29PubMed search: ("BPC-157"[tiab] OR BPC157[tiab] OR "body protection compound"[tiab] OR "pentadecapeptide BPC"[tiab]) AND (nerve[tiab] OR neuropath*[tiab] OR spinal[tiab] OR liver[tiab] OR wound[tiab] OR burn[tiab]) (90 results)PubMed · 2026pubmed.ncbi.nlm.nih.govAccessed 2 Oct 2026

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