01 / PROFILE
Peptide Profiles
Each entry explains what the peptide is, why people search for it, the proposed mechanism, and where the evidence stops.
BPC-157Animal / preclinicalRecovery claims
Live · 27.3k readers this week
Should you actually take it? Real verdicts on the peptides everyone’s Googling.
Hype, hope, or real? Side-by-side: what the internet is claiming, what the evidence backs up, and whether it’s worth your money.
TrendingWhat everyone’s Googling right now
01Semaglutide142k searches/moProven02Tirzepatide89.2k searches/moProven03BPC-15773.4k searches/moHyped04Retatrutide41.2k searches/moMixed05Liraglutide38.4k searches/moProvenEducational reference. Not medical advice.
- Formula
- C62H98N16O22
- Mass
- 1419.53
- Evidence
- Animal / preclinical
- Residues
- 15
Search the index
Find the peptide everyone’s talking about. See if it’s real.
109peptides decoded40FDA-approved93with human data
10 Showing top 10 of 109 — search to see more
No.PeptideSearchesEvidenceVerdictUpdatedProfile
01SemaglutideOzempic / Wegovy142k/moApproved medicineProven2026-04-225 MINView profile02TirzepatideMounjaro / Zepbound89.2k/moApproved medicineProven2026-04-225 MINView profile03BPC-157Body protection compound 157 / PL 1473673.4k/moPreclinicalHyped2026-04-225 MINView profile04RetatrutideLY343794341.2k/moEarly humanMixed2026-04-225 MINView profile05LiraglutideVictoza / Saxenda38.4k/moApproved medicineProven2026-04-225 MINView profile06GHK-CuCopper tripeptide-1 / Gly-His-Lys copper31.7k/moEarly humanMixed2026-04-225 MINView profile07IpamorelinNNC 26-016127.6k/moEarly humanMixed2026-04-225 MINView profile08CJC-1295DAC-GRF / Modified GRF 1-29 with DAC24.8k/moEarly humanMixed2026-04-225 MINView profile09EpithalonEpitalon / Ala-Glu-Asp-Gly21.8k/moEarly humanMixed2026-04-225 MINView profile10MOTS-cMitochondrial open reading frame peptide21.8k/moPreclinicalHyped2026-04-225 MINView profileHow we cut through the noise
The hype, the science, and where they don’t match.
02 / RESEARCH
Research Notes
Editorial explainers separate human data, early signal, preclinical biology, regulatory labels, and public speculation.
TRIALSPUBMEDLABELS
03 / SAFETY
Safety Context
Profiles include risks, unknowns, approval context, and clear boundaries around dosing, sourcing, and personal medical advice.
SAFETY NOTEEducational content only; clinical decisions belong with qualified care.
04 / CATEGORY
Category Index
Compare fitness and recovery, GLP-1 and metabolic, longevity and skin, endogenous biology, and approved clinical peptides.
Should you take it?
Real verdicts on the peptides everyone’s asking about.
Semaglutide142k searches/moShould you actually try semaglutide for weight loss?SpecimenSemaglutide specimen SpecimenTirzepatide specimen SpecimenBPC-157 specimen SpecimenRetatrutide specimen SpecimenLiraglutide specimen SpecimenGHK-Cu specimen
- Formula
- Not linked
- Mass
- Not linked
- Evidence
- Approved
- Markers
- 3
What people claimSemaglutide activates GLP-1 receptors involved in appetite signaling, glucose-dependent insulin response, and metabolic regulation.
Backed by scienceFDA approved
What’s provenThis is an approved medicine for specific uses, but counterfeit, compounded, or research-labeled products do not automatically inherit that trust.
- Formula
- Not linked
- Mass
- Not linked
- Evidence
- Approved
- Markers
- 3
What people claimTirzepatide activates GIP and GLP-1 receptor pathways that influence appetite and metabolic signaling.
Backed by scienceFDA approved
What’s provenApproved products have strong human evidence for labeled uses. Gray-market versions are a different risk category.
- Formula
- Not linked
- Mass
- Not linked
- Evidence
- Animal / preclinical
- Residues
- 15
What people claimThe biology people point to is repair signaling: blood-vessel response, inflammation control, and tissue remodeling in injury models.
Hype heavyAnimal only
What’s provenThe strongest support is still preclinical. The popular human recovery claims are much louder than the published human evidence.
- Formula
- Not linked
- Mass
- Not linked
- Evidence
- Early human
- Markers
- 3
What people claimRetatrutide is designed as a triple agonist that pushes several metabolic signaling pathways at once.
Mixed bagEarly human
What’s provenIt is investigational. Early human data can be exciting without being the same as approval.
- Formula
- Not linked
- Mass
- Not linked
- Evidence
- Approved
- Markers
- 3
What people claimLiraglutide activates GLP-1 receptors involved in appetite and glucose regulation.
Backed by scienceFDA approved
What’s provenApproved use is source-backed, but it should not be blurred with unapproved peptide products.
- Formula
- Not linked
- Mass
- Not linked
- Evidence
- Early human
- Markers
- 3
What people claimGHK-Cu binds copper and is discussed around extracellular matrix, skin repair context, and wound-response signaling.
Mixed bagEarly human
What’s provenSome skin-related evidence exists, but topical/cosmetic signals should not be stretched into systemic anti-aging certainty.
Reality checks
Hot takes, fact-checked.
BPC-157 Is Everywhere. The Human Evidence Is Not.
The recovery peptide people talk about most is still carried by preclinical evidence, regulatory ambiguity, and a lot of extrapolation.
TB-500: Recovery Peptide or Internet Myth?
A clean separation between thymosin beta-4 biology, TB-500 claims, and the evidence people actually need.
Research Peptides: The Label That Should Make You Slow Down.
A research label is not a quality seal. It is a signal to ask harder questions about approval, purity, claims, and human use.
Semaglutide Changed Weight Loss. Here's the Biology.
GLP-1 receptor signaling, appetite circuitry, glucose context, and why approved use is different from gray-market imitation.
CJC-1295 vs Ipamorelin: What They Actually Do.
Two GH-axis peptides are often paired online, but they press different biological switches.
Evidence scanner
Every claim gets a label before it gets a headline.
PeptideFactCheck separates approved use, human signal, early research, preclinical biology, anecdotes, and unknowns so curiosity does not become fake certainty.
ApprovedOfficial regulatory approval exists for at least one specific use.
Human-supportedHuman clinical data supports at least some claims, with scope and limits made explicit.
Early humanSmall, preliminary, or narrow human studies exist, but the evidence is not mature.
Animal / preclinicalThe strongest evidence is animal, cell, or mechanism research rather than clinical outcomes.
AnecdotalMost public claims come from user reports, clinics, vendors, forums, or social media.
UnknownReliable source data is too sparse or inconsistent to classify confidently.
Why you can trust the verdicts
We don’t take influencers’ word for it. Here’s who we DO trust.
IUPHAR/BPS, PubChem, UniProt, RCSB PDB, PubMed, Europe PMC, and ClinicalTrials.gov are used for molecular and research context.
FDA Orange Book, DailyMed, openFDA, and FDA safety communications are used for U.S. regulatory and label context.
Vendor pages, forum posts, and clinic claims can explain public interest, but they are not treated as authoritative evidence.
SAFETY NOTEThis content is educational only and does not replace medical advice. Peptide use may carry risks and should be discussed with a qualified medical professional.