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Peptide Database

Independent research guides for every peptide we track — benefits, side effects, cited studies, and which vendors actually stock it.

Showing 7396 of 165 peptides

Sorted A–Z

Lipopeptide

  • Skin, Hair & Beauty
  • Anti-Aging

A lipid-linked peptide designed for enhanced cellular delivery.

  • Cosmetic-style lipopeptide blend researched for enhancing skin firmness and texture
  • May support epidermal barrier function and hydration in topical formulations
  • Investigated for improving the appearance of fine lines and skin tone
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Liraglutide

  • Weight Loss
  • Gut Health

A GLP-1 receptor agonist studied for metabolic regulation.

  • GLP‑1 receptor agonist studied for significant body‑weight reduction in obesity
  • Improves glycemic control by enhancing insulin secretion and reducing glucagon
  • May lower cardiometabolic risk markers such as blood pressure and lipids in trials
Read the guide

Livagen

  • Gut Health
  • Immune Support

A bioregulatory peptide researched for liver tissue support.

  • Bioregulatory peptide researched for supporting liver tissue regeneration and function
  • May modulate hepatocyte gene expression related to detoxification and protein synthesis
  • Investigated for protecting hepatic tissue from age‑related or toxic stressors
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LL-37

  • Immune Support
  • Skin, Hair & Beauty

An antimicrobial peptide studied for immune and wound defense.

  • Endogenous cathelicidin peptide with broad-spectrum antibacterial, antiviral, and antifungal activity
  • Modulates innate immune responses and helps resolve chronic inflammation
  • Investigated for supporting wound healing, biofilm disruption, and mucosal defense
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Matrixyl

  • Skin, Hair & Beauty
  • Anti-Aging

A cosmetic peptide complex studied for skin rejuvenation.

  • Palmitoylated matrikine complex studied for stimulating collagen and extracellular matrix synthesis
  • May reduce wrinkle depth and improve skin firmness in cosmetic research
  • Investigated for long‑term anti‑aging and skin‑rejuvenation benefits
Read the guide

Maz

  • Weight Loss

An investigational peptide studied for cardiometabolic and weight-management applications.

  • Weight Loss
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Mazdutide is a compound listed by research-peptide vendors.

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MC-31

  • Anti-Aging

An experimental peptide studied for mitochondrial and cellular-energy support.

  • Anti-Aging
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Melanostatin DM

  • Skin, Hair & Beauty

A peptide studied for pigmentation regulation.

  • Peptide researched for inhibiting melanocyte activity and reducing melanin production
  • May help even skin tone and reduce appearance of hyperpigmented spots
  • Investigated for cosmetic management of discoloration and photoaging
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Melanotan 1

  • Skin, Hair & Beauty
  • Weight Loss

A peptide studied for pigmentation and photoprotection.

  • Alpha‑MSH analog studied for increasing skin pigmentation and photoprotection
  • May help reduce sunburn risk by darkening skin through melanocortin receptor activation
  • Investigated for potential effects on appetite and inflammation via melanocortin pathways
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Melanotan 2

  • Sexual Health
  • Skin, Hair & Beauty
  • +1

A melanocortin peptide researched for tanning and libido effects.

  • Melanocortin analog researched for tanning and libido‑modulating effects
  • May enhance sexual arousal and erectile function through central melanocortin signaling
  • Investigated for appetite suppression and body‑weight modulation
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Melanotan I is a compound listed by research-peptide vendors.

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Melanotan II is a compound listed by research-peptide vendors.

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MGF

  • Muscle Recovery

A growth factor peptide studied for muscle repair.

  • Mechanical growth factor splice variant of IGF‑1 studied for muscle repair after overload
  • May activate satellite cells and promote localized muscle hypertrophy
  • Investigated for accelerating recovery from intense resistance training or injury
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MGF IGF-1 EC

  • Muscle Recovery

A combined growth factor peptide for muscle regeneration.

  • Hybrid peptide combining IGF‑1 and MGF motifs researched for synergistic anabolic signaling
  • May enhance muscle growth, repair, and adaptation in experimental models
  • Investigated for extended activation of satellite cells and muscle protein synthesis
Read the guide

MK-677

  • Muscle Recovery
  • Sleep & Mood
  • +1

An oral growth hormone secretagogue studied for GH stimulation.

  • Oral growth hormone secretagogue researched for raising GH and IGF-1 levels
  • May support increases in lean body mass, strength, and bone density in studies
  • Investigated for enhancing sleep quality, recovery, and overall body composition
Read the guide

Mod GRF 1-29

  • Muscle Recovery
  • Weight Loss
  • +1

A refined GHRH analog for growth hormone stimulation.

  • Stabilized GHRH analog studied for amplifying natural growth hormone pulses
  • May support muscle gain, fat loss, and recovery when combined with GHRPs
  • Investigated for preserving more physiologic GH secretion patterns
Read the guide

MOTS-C

  • Weight Loss
  • Anti-Aging
  • +1

A mitochondrial peptide researched for metabolic health.

  • Mitochondria-derived peptide researched for improving insulin sensitivity and glucose handling
  • May enhance mitochondrial respiration and protect against metabolic and cardiac dysfunction
  • Investigated for reducing weight gain and age-related metabolic decline in models
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N-Acetyl Epithalon Amidate

  • Anti-Aging
  • Sleep & Mood

A stabilized longevity peptide studied for cellular aging.

  • Stabilized Epithalon analog studied for enhanced anti‑aging and telomere support
  • May modulate circadian rhythm and oxidative stress pathways more durably than base Epithalon
  • Investigated for broad cellular longevity and regenerative effects
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N-Acetyl Selank

  • Nootropics
  • Sleep & Mood

An anxiolytic neuropeptide studied for stress modulation.

  • Modified Selank peptide researched for anxiolytic and stress‑modulating effects
  • May support cognitive performance, focus, and resilience under stress
  • Investigated for balancing GABAergic and monoamine neurotransmission
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N-Acetyl Selank Amidate

  • Nootropics
  • Sleep & Mood

A stabilized anxiolytic peptide for stress modulation research.

  • Amidated form of N‑Acetyl Selank studied for improved stability and duration
  • May provide longer‑lasting anxiolytic and mood‑supportive effects in research
  • Investigated for sustained cognitive and stress‑adaptation benefits
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N-Acetyl Semax

  • Nootropics

A nootropic peptide studied for cognition and neuroprotection.

  • Modified Semax peptide researched for neuroprotective and pro‑cognitive effects
  • May enhance learning, memory, and attention through BDNF and monoamine modulation
  • Investigated for supporting recovery after ischemic or stress‑related brain injury
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A stabilized nootropic peptide for cognitive enhancement research.

  • Amidated N‑Acetyl Semax analog studied for extended neurotrophic signaling
  • May offer prolonged cognitive enhancement and neuroprotection versus base Semax
  • Investigated for long‑term support of brain resilience and plasticity
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NAD+

  • Anti-Aging
  • Nootropics
  • +1

A critical metabolic coenzyme studied for cellular energy.

  • Central redox cofactor supporting mitochondrial energy production and ATP generation
  • May promote DNA repair, sirtuin activation, and cellular stress resistance
  • Investigated for healthy aging, cognitive support, and metabolic health
Read the guide