The Definitive Guide
Peptides, explained.
What works. What doesn't. Backed by research.
- ✓Independently Reviewed
- ✓Research-Based Rankings
- ✓Updated Monthly
- ✓No Paid Placements
Top peptides ranked
The standings.
- 019.6
Retatrutide
Fat loss · Metabolic · Phase II
- 029.2
Tirzepatide
Fat loss · T2D · Approved
- 039.1
CJC-1295 + Ipamorelin
GH axis · Recovery · Research
- 049.0
BPC-157
Tissue repair · Preclinical
- 058.6
Semaglutide
Fat loss · T2D · Approved
- 068.4
Tesamorelin
GH axis · Visceral fat · Approved (US)
- 077.6
Liraglutide
Fat loss · T2D · Approved
- 087.2
GHK-Cu
Skin · Healing · Cosmetic
Popular comparisons
Side by side.
Latest research
What's new this month.
- 12 May 2026 · Research Briefing→
New GLP-1 Study Results, Explained
What the latest Phase II readouts say about the next generation of metabolic peptides.
- 08 May 2026 · Methodology→
Do Peptides Really Work Long-Term?
The case against thin trials, and what good long-term evidence actually looks like.
- 02 May 2026 · Longevity→
Latest NAD+ Trial Readouts
Where the literature is — and isn't — on NAD+ precursors and longevity outcomes.
How we review
A research-grade methodology, openly published.
Editorial independence is the entire premise. No paid placements, no sponsored reviews, every commercial relationship disclosed.
Read methodology →- 01
Analyse research
We map the published literature, regulatory filings, clinical trial data and supplier transparency for every compound.
- 02
Score objectively
Five criteria — evidence, transparency, safety clarity, effectiveness, value — each rated 0–10 against a transparent rubric.
- 03
You choose with confidence
Status pills make legal status, evidence level and human-use approval visible at a glance. Educational only — never a recommendation to use.