Peptides

Browse all research peptides — healing, recovery, longevity, cognitive, and more.

Peptides are short chains of amino acids used for targeted therapeutic effects including tissue repair, neuroprotection, anti-aging, and performance enhancement. Browse our evidence-based peptide guides below.
Peptide

Semax (Cognitive Enhancement Peptide)

A synthetic ACTH analog that enhances cognition, boosts BDNF, and provides neuroprotection through melanocortin receptor …

200-600mcg intranasal per dose; 2-3 times daily
Peptide

Selank (Anxiolytic Nootropic Peptide)

A synthetic tuftsin analog providing anxiolytic and nootropic effects without sedation or addiction potential

250-500mcg intranasal per dose; 2-3 times daily
Peptide

PT-141 (Bremelanotide)

A centrally-acting melanocortin receptor agonist that enhances sexual desire through direct brain activation

FDA-approved dose: 1.75mg subcutaneous; Research doses: 0.5-2mg subcutaneous
Peptide

GHK-Cu (Copper Peptide)

A naturally occurring tripeptide that reverses skin aging and accelerates tissue repair through copper-dependent gene …

Topical: 1-2% cream applied 1-2x daily; Injectable: 1-2mg subcutaneous per day; Oral: not well-studied
Peptide

AOD-9604

The hGH-derived fat loss peptide that stimulates lipolysis without growth hormone side effects

300-500mcg per day (subcutaneous)
Peptide

BPC-157 (Body Protection Compound)

The gut-healing and tissue-repair peptide derived from human gastric juice

250-500mcg per day (injectable); 500-1000mcg per day (oral)
Peptide

DSIP (Delta Sleep-Inducing Peptide)

The sleep-optimizing nonapeptide that modulates delta wave activity and circadian rhythm

100-300mcg per day (subcutaneous or intranasal)
Peptide

Epithalon (Epitalon)

The telomerase-activating tetrapeptide developed from decades of Russian longevity research

5-10mg per day (subcutaneous injection) for 10-20 day cycles, 2-3 cycles per year
Peptide

Ipamorelin

The gentlest growth hormone secretagogue with a clean side-effect profile

100-300mcg per injection, 1-3 times daily
Peptide

MOTS-c

The mitochondrial-derived exercise mimetic peptide that optimizes metabolism and insulin sensitivity

5-10mg per day (subcutaneous injection), 3-5 times per week
Peptide

TB-500 (Thymosin Beta-4)

Systemic tissue repair and regeneration peptide found in nearly every human cell

Loading: 2-2.5mg twice weekly; Maintenance: 2mg once weekly or biweekly