By category

Peptides by category.

Every compound on the site sits in one of eight categories, grouped by the system it acts on. Within each, the compounds with the strongest published human evidence come first. Category is about mechanism, not proof: a peptide filed under healing is one people use for healing, not one shown to work for it.

Metabolic & GLP-1

12 compounds

GLP-1, GIP and glucagon agonists studied for weight and blood-sugar.

4 FDA-approved · strongest evidence:

All metabolic & glp-1 peptides →

Healing & recovery

6 compounds

Peptides discussed for tissue repair, injury and recovery.

1 FDA-approved · strongest evidence:

All healing & recovery peptides →

Growth hormone

16 compounds

GH-releasing peptides and secretagogues.

2 FDA-approved · strongest evidence:

All growth hormone peptides →

Skin & cosmetic

7 compounds

Compounds used topically for skin, hair and anti-aging.

1 FDA-approved · strongest evidence:

All skin & cosmetic peptides →

Longevity

8 compounds

Mitochondrial and senescence-linked longevity peptides.

1 FDA-approved · strongest evidence:

All longevity peptides →

Cognition & mood

10 compounds

Nootropic and mood-linked peptides.

None FDA-approved · strongest evidence:

All cognition & mood peptides →

Sexual health

5 compounds

Peptides studied for libido and sexual function.

4 FDA-approved · strongest evidence:

All sexual health peptides →

Immune & inflammation

5 compounds

Immune-modulating and antimicrobial peptides.

None FDA-approved · strongest evidence:

All immune & inflammation peptides →

Looking for a specific outcome instead?

Categories group compounds by what they act on. The outcome rankings start from the result someone wants and rank every compound people use for it by the evidence, which often cuts across categories.

Best for weight lossBest for muscle growthBest for injury recoveryBest for gut healthBest for anti-agingBest for skin and hairBest for sleepBest for cognitionBest for libido and sexual functionBest for immune supportBest for energy and mitochondrial healthBest for hair loss
Educational and research reference only. Not medical advice, diagnosis, or dosing guidance. Flag an error on this page
Compounds