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Peptides for Metabolism

The peptides people most often research for metabolism, 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
4
With human trials
3
FDA approved (any use)
3
Searches per month
920
Showing 4 peptides · ordered by search interest for this goal
  1. TirzepatideGLP-1 / GIP dual agonistHuman RCT evidence, 4 of 4Diabetes, obesity & metabolism 2025, PMID 39996356Human85Animal19Summarised3FDA approved (Mounjaro, Zepbound)Overview
  2. SemaglutideGLP-1 agonistNo study with an outcome for metabolismPubMed search, 2 Oct 2026Human144Animal60Summarised0FDA approved (Ozempic, Wegovy, Rybelsus)Overview
  3. RetatrutideGLP-1 / GIP / glucagon triple agonistHuman RCT evidence, 4 of 4Lancet 2026, PMID 42250575Human6Animal4Summarised4Investigational · phase 3Overview
  4. HGHRecombinant growth hormoneHuman RCT evidence, 4 of 4The Journal of clinical endocrinology and metabolism 2003, PMID 12679422Human650Animal88Summarised3FDA approved (prescription only)Overview
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

  • metabolism peptides590/mo
  • peptides for metabolism260/mo
  • best peptides for metabolism70/mo

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

Sources

  1. 1Body 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
  2. 2Efficacy and safety of retatrutide, a GIP, GLP-1, and glucagon receptor agonist, in people with type 2 diabetes and inadequate glycaemic control with diet and exercise (TRANSCEND-T2D-1): a double-blind, randomised, phase 3 trial.Lancet (London, England) · 2026PMID 42250575Accessed 2 Oct 2026
  3. 3Growth hormone replacement therapy induces insulin resistance by activating the glucose-fatty acid cycle.The Journal of clinical endocrinology and metabolism · 2003PMID 12679422Accessed 2 Oct 2026
  4. 4PubMed search: semaglutide[ti] AND (STEP OR "once-weekly semaglutide in adults with overweight or obesity" OR "Semaglutide 2.4 mg") AND randomized controlled trial[pt] (136 results)PubMed · 2026pubmed.ncbi.nlm.nih.govAccessed 2 Oct 2026
  5. 5PubMed search: semaglutide[ti] AND (cardiovascular outcomes OR "SELECT" OR "SUSTAIN" OR "PIONEER 6" OR "myocardial infarction") (560 results)PubMed · 2026pubmed.ncbi.nlm.nih.govAccessed 2 Oct 2026
  6. 6PubMed search: semaglutide[ti] AND (kidney OR FLOW OR "steatohepatitis" OR ESSENCE OR "heart failure" OR "knee osteoarthritis" OR Alzheimer) (590 results)PubMed · 2026pubmed.ncbi.nlm.nih.govAccessed 2 Oct 2026
  7. 7PubMed search: semaglutide[tiab] AND (meta-analysis[pt] OR systematic review[pt]) AND (weight OR obesity OR cardiovascular OR HbA1c) (361 results)PubMed · 2026pubmed.ncbi.nlm.nih.govAccessed 2 Oct 2026
  8. 8PubMed search: semaglutide[tiab] AND (pharmacokinetic*[tiab] OR half-life[tiab]) AND humans[mh] (136 results)PubMed · 2026pubmed.ncbi.nlm.nih.govAccessed 2 Oct 2026
  9. 9PubMed search: semaglutide[ti] AND (chronic kidney disease OR "knee osteoarthritis") AND randomized controlled trial[pt] (27 results)PubMed · 2026pubmed.ncbi.nlm.nih.govAccessed 2 Oct 2026
  10. 10PubMed search: semaglutide[tiab] AND (depress*[ti] OR suicid*[ti] OR "psychiatric"[ti] OR Alzheimer*[ti] OR cognit*[ti]) (159 results)PubMed · 2026pubmed.ncbi.nlm.nih.govAccessed 2 Oct 2026
  11. 11PubMed search: semaglutide[tiab] AND (blood pressure[ti] OR lipid*[ti] OR cholesterol[ti] OR "visceral"[ti] OR "waist"[ti] OR "body composition"[ti]) (112 results)PubMed · 2026pubmed.ncbi.nlm.nih.govAccessed 2 Oct 2026
  12. 12PubMed search: semaglutide[tiab] AND (rheumatoid[tiab] OR "psoriatic"[tiab] OR "inflammation"[ti] OR "C-reactive"[ti]) (60 results)PubMed · 2026pubmed.ncbi.nlm.nih.govAccessed 2 Oct 2026
  13. 13PubMed search: semaglutide[ti] AND ("knee osteoarthritis" OR "osteoarthritis" OR "obesity-related") AND (pain OR knee) (17 results)PubMed · 2026pubmed.ncbi.nlm.nih.govAccessed 2 Oct 2026
  14. 14PubMed search: semaglutide[tiab] AND (Alzheimer*[tiab] OR evoke[tiab]) AND (randomized controlled trial[pt] OR clinical trial[pt]) (3 results)PubMed · 2026pubmed.ncbi.nlm.nih.govAccessed 2 Oct 2026

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