Peptide reviews on one yardstick.
Every compound scored on the same five dimensions — published evidence, mechanism plausibility, human data, vendor trust, regulatory posture — and ranked. Last database refresh 2026-04-29.
The peptides you can actually buy, ranked.
Collagen peptide powders and peptide skincare, held to the same evidence yardstick as the research compounds. Rankings set by the ingredient panel and the published trials; commissions never reorder a list.
The best collagen peptides
Our pick: Momentous Grass-Fed Collagen
See the rankings
The best peptide serums
Our pick: The Ordinary Copper Peptides 1%
See the rankingsStart with the evidence: Collagen peptides, the evidence · Peptides in skincare · Copper peptides (GHK-Cu)
The research-peptide literature, ranked.
Nine compounds in active rotation, scored on a 10-point composite. Updated quarterly.
Top four on every dimension.
Higher is better. Numbers are tabular, the methodology is on the methodology page, and yes — vendor trust counts because counterfeit risk is real.
New reviews and evidence files.
Every post is graded against the published literature and dated, and we revise with a note when the file changes.
Argireline, examined
Acetyl hexapeptide-8 is sold as a needle-free Botox alternative. The one study behind the claim, what concentration actually matters, and where it fits next to peptides with better evidence.
Peptide therapy, separated from the marketing
Wellness clinics offer peptide therapy for recovery, anti-aging and fat loss. What the term actually covers, which peptides are FDA-approved for what, and the regulatory grey zone most of it lives in.
Peptides for muscle growth, honestly graded
Growth-hormone secretagogues, IGF-1 peptides and collagen all get sold for muscle. What the human trials actually show, why GH peptides disappoint lifters, and the legal options that beat all of them.
Peptides for weight loss, graded by evidence
One peptide class genuinely drives weight loss in trials. The rest, sold as fat-loss peptides in the research-chemical channel, range from weakly supported to abandoned. An honest map of both.
Matrixyl, decoded
Matrixyl, Matrixyl 3000 and Matrixyl synthe'6 are three different peptide technologies wearing one trade name. Which is which on an ingredient list, what the published evidence supports, and which products carry a real dose.
Marine collagen, examined
Fish-skin collagen is pitched as better absorbed, better for skin, and more sustainable. One of those claims holds up under the literature. The chemistry, the trials, and who should actually choose marine.
Five shelves. Every review fits one.
Each shelf carries the reviews and the comparison tables for a single research domain.
Five dimensions, weighted, on every review.
Every score on Pepvise breaks down into the same five components. Read the full methodology if you want to argue with the weights — we will hear you out.
Read the full methodologySample size, replication count, and study design across PubMed, ClinicalTrials.gov, and FDA filings. Mouse-only literature gets capped.
Whether the proposed mechanism is consistent with established cell biology, or whether it is back-fitted to the marketing claim.
Trial phase, sample size, follow-up length, and the gap between rodent dose and the human dose actually studied.
Counterfeit incidence, third-party assay availability, regulatory posture of typical sources. Not an endorsement of any vendor.
FDA approval status, 503A/503B compoundability, WADA status, and the realistic legal pathway for a US patient or athlete.
On the pipeline.
Twelve reviews live, eight more in active drafting. Here is what is coming and when.
| Compound | Stage | Editor | Target pub |
|---|---|---|---|
| EpithalonEpitalon | Drafting | M. Otieno | 2026-06-12 |
| Thymosin α1 | Editor review | S. Han | 2026-06-19 |
| Selank | Pre-publication hold | M. Otieno | 2026-07-03 |
| Semax | Pre-publication hold | M. Otieno | 2026-07-10 |
One review a week. No vendor links. Ever.
When a new compound enters the database — or when an existing review gets a score change — subscribers hear about it first.
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