01Animal study
Tissue repair research
BPC-157
Does tendon research translate to injury recovery?
A closer look at a tendon-healing experiment and the gap between animal findings and human recovery claims.
Read the evidence reviewThe peptide review desk
Big claims.
Closer reading.
Look past the headline. Explore what a peptide study found, what it tested, and what the evidence leaves unanswered.
Explore peptide reviewsPrimary sources linkedResearch limits in viewCommercial ties disclosed
Start with a question
Peptide reviews
Selected-source editorial reviews.
Read the method and its limits ↗
6 reviews
02Related-molecule trial
Tissue repair research
TB-500
Are studies of a related molecule being confused with TB-500?
Why a trial of thymosin beta-4 eye drops cannot validate injectable TB-500 recovery claims.
Read the evidence review03Cell-culture study
Skin biology research
GHK-Cu
Do cell findings establish visible skin benefits?
What a cell-culture experiment can tell us about skin biology—and what it cannot tell us about visible results.
Read the evidence review04Human randomized trial
Ghrelin-receptor research
Ipamorelin
What did the human trial actually find?
A human trial exists, but its surgical setting and negative efficacy result matter when assessing wellness claims.
Read the evidence review05Human phase 2 trial
Metabolic research
Retatrutide
Does a trial result validate a product sold online?
A selected obesity trial shows a weight-loss signal. That finding does not validate products sold outside clinical development.
Read the evidence review06Human phase 3 trial
Metabolic research
Tirzepatide
Which formulation does the evidence support?
A selected randomized obesity trial provides clinical evidence, with clear limits on what that evidence says about other products.
Read the evidence reviewNo reviews match that search. Try a peptide name or a broader topic.
A useful distinction
A study is a starting point.
Its setting changes the meaning.
Animal experiments, cells in a dish, and human trials answer different questions. Our reviews keep the formulation, route, population, and limitations alongside the findings.
How to read these reviews ↗Earlier coverage
From the article archive
Historical articles retained at their original addresses. They have not been re-reviewed as part of this peptide review pilot; consult their cited sources for current information.