Research Peptides

Evidence-based guides to research peptides for recovery, longevity, cognitive enhancement, and health optimization. Peptides are short chains of amino acids that act as signaling molecules in the body. Learn about dosing protocols, cycling schedules, administration routes, and safety considerations.

Research Use Disclaimer

Most peptides discussed here are sold as research chemicals and are not FDA-approved for human use unless otherwise noted. This information is for educational purposes only. Always consult a qualified healthcare provider before using any peptide.

All Peptides Growth Hormone Healing & Recovery Nootropics Longevity Fat Loss
Peptide

Semax (Cognitive Enhancement Peptide)

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

200-600mcg intranasal per dose; 2-3 times daily Nasal spray (0.1% solution); nasal drops; also available as N-Acetyl Semax and N-Acetyl Semax Amidate (enhanced variants)
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 Nasal spray (0.15% solution); typically delivered as drops or spray into each nostril
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 Subcutaneous injection (FDA-approved as Vyleesi autoinjector); also available as lyophilized powder for reconstitution; nasal spray (research/compounding)
Peptide

GHK-Cu (Copper Peptide)

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

Topical: 1-2% cream applied 1-2x daily; Injectable: 1-2mg subcutaneous per day; Oral: not well-studied Topical cream or serum (most common), subcutaneous injection (lyophilized powder reconstituted with bacteriostatic water)
Peptide

AOD-9604

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

300-500mcg per day (subcutaneous) Subcutaneous injection (reconstituted lyophilized powder)
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) Subcutaneous injection, intramuscular injection, or oral capsule
Peptide

CJC-1295 (Growth Hormone Releasing Hormone Analog)

Sustained growth hormone elevation through GHRH receptor activation

CJC-1295 no DAC: 100-200mcg per injection; CJC-1295 DAC: 2mg once weekly Subcutaneous injection (lyophilized powder reconstituted with bacteriostatic water)
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) Subcutaneous injection, nasal spray (reconstituted lyophilized powder)
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 Subcutaneous injection (reconstituted lyophilized powder)
Peptide

Ipamorelin

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

100-300mcg per injection, 1-3 times daily Subcutaneous injection (lyophilized powder reconstituted with bacteriostatic water)
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 Subcutaneous injection (reconstituted lyophilized powder)
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 Subcutaneous injection (lyophilized powder reconstituted with bacteriostatic water)