Evidence-based peptide reference · updated April 2026
The clinical source of truth for peptide therapy.
33 peptides, 20 clinics, live FDA tracking, and community signal — synthesized for patients, clinicians, and researchers. Medical-reviewer signed.
Reviewed by Marko Maal, MSc PharmacyUpdated May 17, 202646 articles · 4 cornerstonesEvidence-tier labeled
Direct answers
What is the peptide community actually discussing this week?
Across the last 7 days, 301 new community threads. Tirzepatide leads the conversation, with Semaglutide and Retatrutide close behind — and personal experience and dosing & protocols are the dominant themes right now. This is editorially classified community signal, refreshed continuously — trend visibility, not medical advice.
See the community signal reportWhat peptides are, what they aren't, and how they actually work.
The complete, medical-reviewer-signed beginner's guide. Mechanism, evidence tiers, dosing, legal status, and how to separate real therapeutics from biohacker hype.
Short chains of 2–50 amino acids that act as biological signaling molecules. They tell cells what to do — release growth hormone, migrate to damaged tissue, modulate hunger. Some are FDA-approved (semaglutide, tirzepatide). Some are compounded (BPC-157). Some are research-only (KPV, MOTS-c).
Covers: 33 peptides · every major pillar · all 50 states
Start with a goal
8 pillars · goal-based navigation
Most searched peptides
All peptides →Ranked by 30-day query volume across Google + LLM citations
Retatrutide
+38%Metabolic
- inject
525K/moResearch onlyOrforglipron
+92%Metabolic
- pill
375K/moResearch onlySemaglutide
+8%Metabolic
- pill
- inject
201K/moFDA approvedCagriSema
+55%Metabolic
- inject
140K/moResearch onlyTirzepatide
+61%Metabolic
- inject
- pill
98.4K/moFDA approvedArgireline
+11%Skin / anti-aging
- topical
85K/moCosmeticTesamorelin
+14%Growth hormone
- inject
75K/moFDA approvedCerebrolysin
+27%Cognitive
- inject
- nasal
62K/moResearch onlyTB-500
+22%Recovery
- inject
58K/moCat 2 → review
Find a clinic
Telehealth · all 50 states
Telehealth coverage across all 50 states + 20+ verified providers
Comparison pages
All comparisons →Side-by-side mechanism, dosing, evidence
Last 24 hours on Reddit
13 posts · trend visibility, not medical advice- 01GH peptides barely move body composition, and nobody selling them tells your/PeptidesExperienceSermorelin · CJC-1295 / Ipamorelin · MK-677 (Ibutamoren)9h ago
- 02Experiences with sermorelin as a weight loss peptider/PeptidesExperienceSermorelin · Semaglutide9h ago
- 0323kg lost since Septemberr/MounjaroExperienceTirzepatide13h ago
- 04DSIP and Epitalon making sleep worser/PeptidesDosingEpitalon · DSIP4h ago
- 05Reconstitute Semax/Selank 10MG/10MG combo into a nasal sprayr/PeptidesDosingSelank · Semax8h ago
Source: public Reddit, classified on ingest. Surfacing reflects topic relevance, not endorsement. Full feed →
From the data
All reports →What the peptide community is actually discussing — analyzed from thousands of Reddit posts. Community signal, not clinical evidence.
What 1,857 peptide Reddit posts reveal about the community (2026)
We analyzed 1,857 peptide-related Reddit posts. GLP-1s (tirzepatide, retatrutide, semaglutide) dominate ~52% of mentions. The most common topic isn't results — it's dosing & titration (41% of posts), followed by sourcing and side effects. This is community-signal data, not clinical evidence.
Read the analysis →What 1129 GLP-1s Reddit posts reveal about the community
1129 posts · community signal
What 241 GHK-Cu Reddit posts reveal about the community
241 posts · community signal
What 154 BPC-157 Reddit posts reveal about the community
154 posts · community signal
What 148 Semax/Selank Reddit posts reveal about the community
148 posts · community signal
What 135 Tesamorelin Reddit posts reveal about the community
135 posts · community signal
What 134 CJC-1295 / Ipamorelin Reddit posts reveal about the community
134 posts · community signal
What 86 KPV Reddit posts reveal about the community
86 posts · community signal
Community signal · live
Open full feed →Synthesized across Reddit, Bluesky, PubMed, and FDA — refreshed on cron, latest first.
Items / 24h
0
live
Reddit posts
2,477
tracked
Research
87
PubMed papers
FDA alerts
0
this period
- ⬤ REDDITr/Peptides23m ago
Update: Selank and peptides to help with anxiety
Mentions Selank
- ⬤ REDDITr/Peptides4h ago
DSIP and Epitalon making sleep worse
Mentions Epitalon
- ⬤ REDDITr/Mounjaro8h ago
Navigating Gallstones
Mentions Tirzepatide
- ⬤ REDDITr/Peptides6h ago
Multiple intranasal sprays waiting period?
Mentions Semax
- ⬤ REDDITr/Peptides8h ago
Reconstitute Semax/Selank 10MG/10MG combo into a nasal spray
Mentions Selank
- ⬤ REDDITr/Peptides9h ago
Peptide suggestions for major nasal reconstructive surgery / very slow healer?
Mentions BPC-157
What's published
Live counts · auto-updated
Peptides covered
33
Clinics tracked
20
Supporting articles
160
Comparison pages
12
Goal pillars
9
Legal guides
0
Evidence tiers
Every claim is tagged Tier 1–5 — RCT to anecdotal — so you can read intensity and confidence at a glance. No hype.
Protocol logs
Structured submissions, not freeform forum chatter. Dose × duration × delivery × result. Aggregations are reviewed before they're surfaced.
Lab transparency
Vendor products go to ISO-17025 labs. Results published whether or not the vendor likes the outcome.