PeptidePedia
Directory

All peptides

Educational profiles on 35 of the most-researched peptides. Filter by evidence level or research goal.

35 results

BPC-157

Animal / Lab

A 15-amino-acid fragment derived from a stomach-protecting protein, widely studied in rodents for gut, tendon, and ligament repair.

Injury RecoveryMuscle Growth & Recovery

TB-500

Animal / Lab

A synthetic fragment of thymosin beta-4 studied in animals for wound healing, cardiac repair, and tissue regeneration.

Injury RecoveryMuscle Growth & Recovery

GHK-Cu

Limited Human Evidence

A naturally occurring copper-binding tripeptide widely used in cosmetics and studied for skin remodeling and wound healing.

Skin, Hair & Anti-AgingLongevity & WellnessInjury Recovery

Semaglutide

Strong Human Evidence

A GLP-1 receptor agonist FDA-approved for type 2 diabetes (Ozempic) and chronic weight management (Wegovy).

Fat LossMetabolic Health

Tirzepatide

Strong Human Evidence

A dual GIP/GLP-1 receptor agonist FDA-approved for type 2 diabetes (Mounjaro) and chronic weight management (Zepbound).

Fat LossMetabolic Health

Retatrutide

Moderate Human Evidence

An investigational triple GLP-1 / GIP / glucagon receptor agonist showing the largest weight-loss effects yet seen in mid-stage trials.

Fat LossMetabolic Health

Sermorelin

Limited Human Evidence

A 29-amino-acid GHRH analog formerly FDA-approved for childhood growth hormone deficiency.

Muscle Growth & RecoverySleep

CJC-1295

Limited Human Evidence

A long-acting GHRH analog studied as a research peptide for sustained growth hormone elevation.

Muscle Growth & RecoverySleep

Ipamorelin

Limited Human Evidence

A selective ghrelin receptor agonist studied as a growth hormone secretagogue with minimal effects on cortisol or prolactin.

Muscle Growth & RecoverySleep

PT-141 (Bremelanotide)

Strong Human Evidence

A melanocortin receptor agonist FDA-approved as Vyleesi for hypoactive sexual desire disorder in premenopausal women.

Libido & Sexual Wellness

NAD+

Limited Human Evidence

A central coenzyme in energy metabolism that has been studied as a supplement and IV therapy for aging, fatigue, and metabolic health.

Energy & FocusLongevity & WellnessMetabolic Health

MOTS-c

Experimental

A mitochondrial-encoded peptide studied for its role in metabolism, exercise capacity, and mitochondrial signaling.

Fat LossMetabolic HealthEnergy & Focus

Tesamorelin

Strong Human Evidence

A long-acting GHRH analog FDA-approved as Egrifta for HIV-associated visceral fat accumulation.

Fat LossMetabolic HealthMuscle Growth & Recovery

AOD-9604

Limited Human Evidence

A 16-amino-acid C-terminal fragment of human growth hormone studied for fat metabolism, with disappointing weight-loss outcomes in humans.

Fat Loss

Epitalon

Experimental

A four-amino-acid peptide studied primarily in Russian and Eastern European research for longevity, sleep, and antioxidant effects.

Longevity & WellnessSleepSkin, Hair & Anti-Aging

Selank

Experimental

A Russian-developed heptapeptide analog of tuftsin studied as a nasal anxiolytic with minimal sedation in small clinical trials.

Anxiety & MoodEnergy & Focus

Semax

Experimental

A Russian-developed ACTH(4-10) analog used intranasally and studied for cognitive performance and stroke recovery.

Energy & FocusAnxiety & Mood

Melanotan II

Limited Human Evidence

A cyclic melanocortin receptor agonist that increases skin pigmentation; precursor research peptide that led to bremelanotide.

Libido & Sexual WellnessSkin, Hair & Anti-Aging

Thymosin Alpha-1

Moderate Human Evidence

A 28-amino-acid immunomodulatory peptide approved in many countries (as Zadaxin) for hepatitis B and as an adjunct in cancer and infection.

Longevity & WellnessSkin, Hair & Anti-Aging

Kisspeptin

Moderate Human Evidence

An upstream regulator of the reproductive axis studied for fertility, hypothalamic amenorrhea, and sexual arousal pathways.

Libido & Sexual Wellness

LL-37

Limited Human Evidence

A human cathelicidin antimicrobial peptide central to skin and respiratory innate immunity.

Injury RecoverySkin, Hair & Anti-Aging

DSIP

Experimental

Delta sleep-inducing peptide, a nonapeptide studied for slow-wave sleep and stress modulation since the 1970s.

SleepAnxiety & Mood

KPV

Animal / Lab

The C-terminal tripeptide of α-MSH studied for anti-inflammatory effects in gut and skin disease.

Injury RecoverySkin, Hair & Anti-Aging

5-Amino-1MQ

Animal / Lab

A small-molecule NNMT inhibitor studied in obese mice for reducing fat mass and raising cellular NAD+ and SAM levels.

Fat LossMetabolic HealthLongevity & Wellness

Melanotan I

Strong Human Evidence

A linear analog of α-melanocyte-stimulating hormone (α-MSH) that activates the melanocortin-1 receptor to stimulate eumelanin production. As the drug afamelanotide (SCENESSE), it is FDA-approved for a rare light-sensitivity disorder; the grey-market 'tanning peptide' sold under this name is unapproved.

Skin, Hair & Anti-Aging

Oxytocin

Moderate Human Evidence

A nine-amino-acid neuropeptide and hormone best known for its role in childbirth and lactation; FDA-approved as an injectable drug (Pitocin) for labor, and heavily studied (often via nasal spray) for social bonding, trust, anxiety, and autism with mixed, frequently non-replicating results.

Anxiety & MoodLibido & Sexual Wellness

SS-31

Limited Human Evidence

A mitochondria-targeting tetrapeptide (elamipretide) that binds cardiolipin on the inner mitochondrial membrane; it has been tested in multiple human trials and gained FDA accelerated approval for the ultra-rare Barth syndrome in 2025, though several other primary endpoints were not met.

Longevity & WellnessEnergy & Focus

MGF

Animal / Lab

Mechano Growth Factor (MGF) is a locally-acting splice variant of IGF-1 (IGF-1Ec) studied for its proposed role in activating muscle stem cells and triggering early muscle repair after mechanical loading. Evidence is almost entirely animal and cell-culture based, with no human therapeutic trials.

Muscle Growth & RecoveryInjury Recovery

CJC-1295 + Ipamorelin

Experimental

A popular research-peptide stack pairing the GHRH analog CJC-1295 (no-DAC / Mod GRF 1-29) with the selective secretagogue ipamorelin, intended to amplify natural growth-hormone release. No human trials exist on the combination itself.

Muscle Growth & RecoveryLongevity & Wellness

Tesamorelin + Ipamorelin

Experimental

A research stack combining tesamorelin (an FDA-approved GHRH analog for HIV-associated visceral fat) with ipamorelin, aimed at fat loss and growth-hormone support. No human trials exist on the combination itself.

Fat LossMuscle Growth & Recovery

Wolverine (BPC-157 + TB-500)

Experimental

A recovery-focused research blend pairing BPC-157 with TB-500, marketed for soft-tissue and injury repair. Both components have only animal-level evidence, and there are no human trials of the combination.

Injury RecoveryMuscle Growth & Recovery

Wolverine+ (BPC-157 + TB-500 + MGF)

Experimental

An extended recovery stack adding Mechano Growth Factor (MGF) to the BPC-157 + TB-500 blend, aiming to layer muscle-stem-cell activation onto tissue repair. All three components are animal/lab-level only, with no human or combination trials.

Injury RecoveryMuscle Growth & Recovery

Glow (GHK-Cu + TB-500 + BPC-157)

Experimental

A skin-and-recovery research blend combining the copper peptide GHK-Cu with TB-500 and BPC-157, marketed for skin quality and tissue repair. GHK-Cu has human cosmetic data; the other two are animal-only, and the combination is untested.

Skin, Hair & Anti-AgingInjury Recovery

Glow+ (GHK-Cu + TB-500 + BPC-157 + KPV)

Experimental

An anti-inflammatory extension of the Glow blend that adds KPV (an α-MSH fragment) to GHK-Cu, TB-500, and BPC-157, aiming to combine skin remodeling, tissue repair, and inflammation control. The four-peptide combination is untested in humans.

Skin, Hair & Anti-AgingInjury Recovery

Selank + Semax

Experimental

A nootropic research blend pairing the anxiolytic peptide Selank with the cognitive/neuroprotective peptide Semax, both Russian-developed. Each has some human data (mostly Russian trials); the combination itself has not been formally studied.

Anxiety & MoodEnergy & Focus