The Library

Every peptide, graded on its evidence

52 compounds across 9 categories — mechanism, evidence, protocols, interactions, and monitoring for each.

Category
Goal
Evidence

10 compounds

Metabolic & weight

Semaglutide

Ozempic · Wegovy

The most rigorously studied GLP-1 receptor agonist for weight and glycemic control.

Human RCTFDA-approved
Metabolic & weight

Tirzepatide

Mounjaro · Zepbound

Dual GIP/GLP-1 agonist producing the largest weight reduction of any approved agent to date.

Human RCTFDA-approved
Metabolic & weight

Retatrutide

LY3437943 · Triple-G

Investigational triple agonist targeting GIP, GLP-1, and glucagon receptors simultaneously.

Limited humanResearch only
Metabolic & weight

Liraglutide

Saxenda · Victoza

Daily GLP-1 agonist — the predecessor to semaglutide, still useful where fine dose control matters.

Human RCTFDA-approved
Metabolic & weight

Cagrilintide

AM833

Long-acting amylin analogue that targets satiety through a pathway independent of GLP-1.

Limited humanResearch only
Metabolic & weight

AOD-9604

Anti-Obesity Drug 9604 · hGH fragment analogue

A growth hormone fragment marketed for fat loss that failed to beat placebo in human trials.

Human RCTResearch only
Metabolic & weight

HGH Fragment 176-191

Frag 176-191 · Lipolytic fragment

The unmodified GH fragment AOD-9604 was derived from — same lipolytic claim, weaker evidence.

AnimalResearch only
Metabolic & weight

5-Amino-1MQ

5-Amino-1-methylquinolinium

Oral NNMT inhibitor studied in rodents for fat-cell metabolism — no human trials exist.

AnimalResearch only
Metabolic & weight

SLU-PP-332

ERR agonist

An experimental 'exercise mimetic' that activates estrogen-related receptors — animal data only.

PreclinicalResearch only
Metabolic & weight

AICAR

Acadesine · AICA riboside

An AMPK-activating 'exercise mimetic' with animal endurance data — and a WADA ban.

AnimalResearch only

Research & educational information only — not medical advice.

You must be 18 or older to use this site. The peptides described are presented as research chemicals intended for research purposes only. Most are not approved by the FDA for human use. Dosing ranges reflect what has appeared in the scientific literature or community protocols and are not prescriptions. Nothing here replaces evaluation by a licensed physician who knows your full medical history.

Not sure where to begin? Take the goal assessment and let your answers narrow it down.