PeptideIQ
⚠️ Educational purposes only. PeptideIQ does not constitute medical advice, diagnosis, or treatment. Peptide therapy should only be pursued under the guidance of a licensed medical provider. Many peptides discussed are research-grade compounds not approved by the FDA. Always verify current legal status in your jurisdiction before use.

Peptide Library

23 peptides

BPC-157
Body Protection Compound-157

A synthetic peptide derived from human gastric juice protein, widely used for tissue repair and gut health.

PreclinicalCategory 2 Banned
200-250 mcg/day · 4-8 weeks
TB-500
Thymosin Beta-4 Fragment (LKKTETQ)

A fragment of Thymosin Beta-4 that promotes systemic tissue repair, cell migration, and deep healing.

PreclinicalCategory 2 Banned
2-2.5 mg twice weekly · 4-6 weeks
CJC-1295
CJC-1295 (with or without DAC)

A long-acting growth hormone-releasing hormone (GHRH) analog that sustains elevated GH and IGF-1 levels.

ModerateResearch Grade
1-2 mcg/kg body weight · 12-16 weeks
Ipamorelin
Ipamorelin Acetate

A selective growth hormone secretagogue that creates targeted GH pulses with minimal impact on cortisol or ACTH.

ModerateResearch Grade
100-200 mcg/day · 12-16 weeks
MK-677
Ibutamoren (MK-677)

An oral GH secretagogue that significantly elevates GH and IGF-1, improving muscle mass, sleep architecture, and recovery.

ModerateResearch Grade
10-15 mg/day · 12-16 weeks
Semaglutide
Semaglutide (Ozempic / Wegovy)

An FDA-approved GLP-1 receptor agonist with the strongest clinical evidence for weight loss of any peptide — 15–18% body weight reduction in trials.

Strong RCTFDA Approved
0.25 mg/week (weeks 1-4) · 16-20 weeks minimum
Tirzepatide
Tirzepatide (Mounjaro / Zepbound)

A dual GLP-1/GIP receptor agonist showing even greater weight loss than semaglutide in head-to-head trials.

Strong RCTFDA Approved
2.5 mg/week (weeks 1-4) · 16-20+ weeks
GHK-Cu
Copper Peptide GHK-Cu

A naturally occurring copper-binding peptide with the broadest independently replicated evidence for skin, tissue repair, and systemic anti-aging.

ModerateResearch Grade
1-2 mg/day · 8-12 weeks
Epitalon
Epithalon (Tetrapeptide)

A tetrapeptide derived from the pineal gland with the strongest evidence for telomere biology and cellular longevity.

ModerateResearch Grade
5-10 mg/day · 10-20 days
Thymosin α-1
Thymosin Alpha-1

The strongest clinically validated immune-modulating peptide, approved in 30+ countries for viral infections and immune deficiency.

Strong RCTIntl. Approved
0.8-1.6 mg twice weekly · 4-6 weeks
LL-37
LL-37 (Cathelicidin)

A natural antimicrobial peptide that protects against bacterial, viral, and fungal infections while modulating inflammation.

ModerateResearch Grade
100 mcg daily · 4-6 weeks
KPV
Lysine-Proline-Valine (KPV)

A potent anti-inflammatory tripeptide derived from alpha-MSH, effective for gut inflammation and immune over-activation.

PreclinicalResearch Grade
500 mcg daily · 4-8 weeks
Semax
Semax (ACTH 4-7 Pro8Gly9Pro10)

A neuropeptide developed in Russia with strong nootropic, neuroprotective, and focus-enhancing properties.

ModerateResearch Grade
200-300 mcg/day · 4-6 weeks
Selank
Selank (Tuftsin Analog)

A synthetic analog of the immune peptide tuftsin with anxiolytic and nootropic effects — often called 'anxiety relief without sedation.'

ModerateResearch Grade
250 mcg/day · 4-6 weeks
Dihexa
Dihexa (PNB-0408)

An extremely potent nootropic peptide — reported to be millions of times more potent than BDNF at forming new synaptic connections.

PreclinicalResearch Grade
5-10 mg topically or orally · 4 weeks
MOTS-c
Mitochondrial Open Reading Frame of the 12S rRNA-c

A mitochondria-derived peptide that regulates metabolic homeostasis, exercise response, and systemic aging.

PreclinicalResearch Grade
5 mg 2-3x weekly · 8-12 weeks
IGF-1 LR3
Insulin-like Growth Factor-1 Long R3

A modified IGF-1 analog with a longer half-life that drives rapid muscle hypertrophy and nutrient partitioning.

ModerateResearch Grade
20-40 mcg/day · 4-6 weeks maximum
AOD-9604
Anti-Obesity Drug 9604 (GH Fragment 177-191)

A modified fragment of human growth hormone that stimulates fat breakdown without the growth-promoting effects of full HGH.

ModerateResearch Grade
200-300 mcg/day · 12-16 weeks
Tesamorelin
Tesamorelin (Egrifta)

An FDA-approved GHRH analog originally for HIV-related lipodystrophy, now widely used for visceral fat reduction and body composition.

Strong RCTFDA Approved
1 mg/day · 12-26 weeks
PT-141
Bremelanotide (PT-141)

An FDA-approved melanocortin receptor agonist for hypoactive sexual desire disorder — works centrally on the brain, not the vascular system.

Strong RCTFDA Approved
0.5-1 mg as needed · As needed
Sermorelin
Sermorelin Acetate

The oldest and best-established GHRH analog with the longest clinical track record and a historical FDA approval for pediatric GH deficiency.

ModerateResearch Grade
100-200 mcg/day · 3-6 months
HGH Fragment 176-191
Human Growth Hormone Fragment 176-191

The fat-burning fragment of HGH that stimulates lipolysis without growth-promoting or blood sugar effects.

ModerateResearch Grade
200 mcg/day · 8-12 weeks
Cerebrolysin
Cerebrolysin (FPF-1070)

A neuropeptide mixture derived from pig brain protein with strong clinical evidence for neuroprotection and cognitive restoration, approved in many countries.

ModerateIntl. Approved
5-10 mL daily · 10-20 day courses