Reference library

Peptide reference

A friendly directory of the most popular peptides in research and health. Filter by category or regulatory status, search by name or alias, and tap any peptide to open its full profile.

These profiles are for educational and research reference only , and are not medical advice. Most listed compounds are unapproved research chemicals.

Status

Route

BPC-157

Body Protection Compound-157

A regenerative pentadecapeptide studied for tissue and tendon healing.

Typical dose250–500 mcg, 1–2× daily

Research use onlyRecovery & Healing

TB-500

Thymosin Beta-4

The thymosin beta-4 fragment studied for tissue repair and recovery.

Typical dose2.5–5 mg, 1–2× weekly

Research use onlyRecovery & Healing

Semaglutide

Ozempic

A GLP-1 receptor agonist studied for weight and blood-sugar management.

Typical doseInj 0.25–2.4 mg/wk · Oral 3–14 mg/day

FDA-approved (Rx)Metabolic

RouteInjectionOral

Tirzepatide

Mounjaro

A dual GIP/GLP-1 receptor agonist for weight and glucose management.

Typical dose2.5–15 mg/wk

FDA-approved (Rx)Metabolic

Retatrutide

Triple agonist

A triple GIP/GLP-1/glucagon receptor agonist for weight and metabolic research.

Typical dose2–12 mg/wk (trial escalation)

Research use onlyMetabolic

Ipamorelin

Growth hormone secretagogue

A selective ghrelin-mimetic that gently stimulates growth hormone release.

Typical dose200–500 mcg, 1–3× daily

Research use onlyGrowth Hormone

CJC-1295

Modified GRF 1-29

A long-acting GHRH analogue that amplifies growth hormone pulses.

Typical dose1–2 mg, 2–3× weekly

Research use onlyGrowth Hormone

GHRP-2

Growth Hormone Releasing Peptide-2

A potent ghrelin-mimetic that triggers strong growth hormone pulses.

Typical dose100–300 mcg, 1–3× daily

Research use onlyGrowth Hormone

GHRP-6

Growth Hormone Releasing Peptide-6

A classic ghrelin-mimetic that boosts growth hormone and appetite.

Typical dose100–300 mcg, 1–3× daily

Research use onlyGrowth Hormone

MK-677

Ibutamoren

An oral growth hormone secretagogue that raises GH and IGF-1 over time.

Typical dose10–25 mg, 1× daily

Non-PeptideResearch use onlyGrowth Hormone

Sermorelin

GHRH 1-29

A bio-identical GHRH fragment that restores natural GH pulses.

Typical dose200–500 mcg, nightly

FDA-approved (Rx)Growth Hormone

PT-141

Bremelanotide

A melanocortin agonist studied for sexual desire and function.

Typical doseInj 0.75–1.75 mg · Nasal 2–4 mg (as needed)

FDA-approved (Rx)Vascular & Libido

RouteInjectionNasal

Melanotan II

MT-2

A melanocortin analogue researched for skin pigmentation and tanning.

Typical dose0.25–1 mg (loading, then 1–2×/wk)

Research use onlyCosmetic

AOD-9604

Anti-Obesity Drug 9604

A hGH fragment studied for fat metabolism without insulin effects.

Typical dose300–500 mcg, 1–2× daily

Research use onlyMetabolic

GHK-Cu

Copper peptide

A copper-binding tripeptide studied for skin repair and collagen.

Typical doseTopical 1–4% · Injection 1–5 mg

Research use onlyCosmetic

RouteTopicalInjection

Selank

Anxiolytic peptide

An anxiolytic peptide studied for anxiety and cognitive support.

Typical doseInj 250–750 mcg · Nasal 400–800 mcg

Research use onlyCognitive

RouteInjectionNasal

Semax

Nootropic peptide

A nootropic peptide studied for cognitive enhancement and focus.

Typical doseNasal 400–800 mcg · Injection 100–500 mcg

Research use onlyCognitive

RouteNasalInjection

Thymosin Alpha-1

Tα1

An immunomodulatory peptide studied for immune system support.

Typical dose1.6 mg, 1–2× weekly

FDA-approved (Rx)Immune

LL-37

Cathelicidin antimicrobial peptide

An antimicrobial peptide studied for infection and immune defense.

Typical dose250–500 mcg, 1× daily

Research use onlyImmune

ARA-290

Cibinetide

An EPO-derivative peptide studied for nerve repair and inflammation.

Typical dose2–4 mg, 3× weekly

Research use onlyRecovery & Healing

Epithalon

Epitalon

A tetrapeptide studied for longevity and telomere support.

Typical dose5–10 mg daily, in cycles

Research use onlyAnti-Aging

Glutathione

GSH

A tripeptide antioxidant studied for detox and cellular defense.

Typical doseInjection 600–1200 mg · Oral 250–500 mg

Research use onlyImmune

RouteInjectionOral

NAD+

Nicotinamide adenine dinucleotide

A vital coenzyme researched for cellular energy and longevity.

Typical doseIV 250–500 mg · Oral 250–500 mg

Non-PeptideAnti-Aging

RouteInjectionOral

NMN

Nicotinamide mononucleotide

A NAD+ precursor studied for energy, metabolism, and longevity.

Typical dose250–1000 mg, 1× daily

Non-PeptideAnti-Aging

HGH

Human Growth Hormone

The recombinant human growth hormone studied for body composition and recovery.

Typical dose1–4 IU daily

FDA-approved (Rx)Growth Hormone

HGH Frag 176-191

AOD-9604 related fragment

A fragment of HGH studied specifically for fat loss and lipolysis.

Typical dose250–500 mcg, 1–2× daily

Research use onlyMetabolic

IGF-1 LR3

Long R3 IGF-1

A long-acting insulin-like growth factor studied for muscle growth.

Typical dose40–80 mcg, 1× daily

Research use onlyGrowth Hormone

Hexarelin

Hexapeptide

A potent growth hormone secretagogue with strong GH pulses.

Typical dose100–300 mcg, 1–3× daily

Research use onlyGrowth Hormone

Tesamorelin

Egrifta

An FDA-approved GHRH analogue studied for GH pulse and visceral fat.

Typical dose1–2 mg, 1× daily

FDA-approved (Rx)Growth Hormone

Cerebrolysin

Cerebrolysin peptide complex

A neurotrophic peptide complex studied for cognition and brain recovery.

Typical dose5–10 mL, 1× daily

Research use onlyCognitive

Follistatin

Follistatin 344

A protein studied for muscle growth via myostatin inhibition.

Typical dose100–300 mcg, 1–2× weekly

Research use onlyRecovery & Healing

MOTS-c

Mitochondrial open reading frame

A mitochondrial-derived peptide studied for metabolism and endurance.

Typical dose5–10 mg, 1–3× weekly

Research use onlyMetabolic

SS-31

Elamipretide

A mitochondrial-targeted peptide studied for cellular energy.

Typical dose10–40 mg, 1× daily

Research use onlyAnti-Aging

Oxytocin

Pitocin

A peptide hormone studied for bonding, mood, and social behavior.

Typical doseNasal 12–24 IU · Injection 5–10 IU

FDA-approved (Rx)Vascular & Libido

RouteNasalInjection

KPV

Lys-Pro-Val

A tripeptide studied for gut health and inflammation control.

Typical doseOral 1–5 mg · Injection 1–2 mg

Research use onlyImmune

RouteOralInjection

Gonadorelin

GnRH

A GnRH analogue studied for testosterone and LH/FSH signaling.

Typical dose50–100 mcg, 1–2× daily

FDA-approved (Rx)Growth Hormone