Peptides, GLP-1 and longevity medicine
Evidence first, hype last.
Every claim graded by the strength of its evidence. Every dose reported as what was actually studied. Every compound tagged with its real legal status in the US. Written from primary sources, checked clinically, updated when the facts change.
Peptide Compound Library
Evidence-graded profiles of every major therapeutic peptide: mechanism, studied doses, side effects, legal status and how to get it prescribed.
GLP-1 & Metabolic Medicine
Compounded semaglutide, tirzepatide, retatrutide and the next generation: dosing charts, costs, side effects and 2026 legal status.
Telehealth Providers
Independent reviews and comparisons of peptide and GLP-1 telehealth providers: licensing, pharmacies, pricing, follow-up.
How we grade evidence
A
Strong human trials or meta-analyses
B
Small or short human trials
C
Observational, mechanistic or indirect human data
D
Animal or in-vitro only, or no evidence at all
Grades describe the evidence, not whether we recommend a use. Read the editorial and clinical review policy.
Clinician-reviewed guides to peptide therapy, GLP-1 medications and longevity protocols: what the evidence says, how dosing works, what's legal, and how to get treatment safely in the US.