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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 73–96 of 143 peptides

Sorted A–Z

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
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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

NMN

  • Anti-Aging
  • Muscle Recovery
  • +1

A NAD+ precursor studied for cellular energy and aging.

  • Direct NAD+ precursor researched for boosting intracellular NAD+ levels in humans
  • May support mitochondrial function, exercise capacity, and glucose metabolism
  • Investigated for anti‑aging effects including improved insulin sensitivity and vascular health
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Nonapeptide-1

  • Skin, Hair & Beauty

A cosmetic peptide researched for skin tone regulation.

  • Topical peptide studied for inhibiting melanin synthesis by blocking α‑MSH binding
  • May help reduce hyperpigmentation and promote more even skin tone
  • Investigated for cosmetic management of melasma and dark spots
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Orbitzen

  • Skin, Hair & Beauty

An experimental neuropeptide studied for mood, focus, and stress resilience.

  • Branded peptide formulation researched for ocular and peri‑orbital tissue support
  • May help reduce signs of fatigue around the eyes such as puffiness and dark circles
  • Investigated for improving microcirculation and skin quality in the eye area
Read the guide

A neuropeptide studied for wakefulness, arousal, and appetite regulation.

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A neuropeptide studied for arousal and feeding-behavior regulation.

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Orforglipron

  • Weight Loss

An oral non-peptide GLP-1 receptor agonist researched for obesity and diabetes.

  • Weight Loss
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OS-01

  • Skin, Hair & Beauty
  • Anti-Aging

A longevity peptide studied for cellular rejuvenation.

  • Topical peptide blend researched for reducing cellular senescence markers in skin
  • May improve skin barrier function, hydration, and visible firmness
  • Investigated for supporting healthier, more resilient aging skin
Read the guide

Ovagen

  • Sexual Health
  • Anti-Aging

A bioregulatory peptide studied for ovarian tissue support.

  • Bioregulatory peptide studied for supporting ovarian tissue structure and function
  • May help normalize hormone-related signaling in reproductive tissues
  • Investigated for broader endocrine and reproductive system support
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Oxytocin

  • Sexual Health
  • Sleep & Mood

A social bonding peptide hormone studied for emotional regulation.

  • Neuropeptide hormone researched for enhancing social bonding, trust, and attachment
  • May reduce stress responses and support emotional regulation in experimental settings
  • Investigated for roles in sexual function, childbirth, and lactation support
Read the guide

P21

  • Skin, Hair & Beauty

A neuroregulatory peptide studied for cognitive protection.

  • Experimental peptide studied for potential hair follicle cycling and regrowth support
  • May influence stem cell and growth factor signaling in scalp tissue
  • Investigated for cosmetic applications in hair density and quality
Read the guide

Pal-AHK

  • Skin, Hair & Beauty
  • Anti-Aging

A palmitoylated copper peptide studied for skin repair.

  • Palmitoylated AHK peptide researched for improved skin penetration and collagen support
  • May promote hair growth and scalp health through copper-dependent enzyme activation
  • Investigated for visible improvements in skin firmness and hair density
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Pal-GHK

  • Skin, Hair & Beauty
  • Anti-Aging

A lipid-enhanced copper peptide for skin rejuvenation.

  • Lipidated GHK‑Cu analog studied for enhanced delivery of copper to skin cells
  • May boost collagen synthesis, wound healing, and overall skin rejuvenation
  • Investigated for reducing fine lines, improving elasticity, and evening skin tone
Read the guide

Palmitoyl Dipeptide-6

  • Skin, Hair & Beauty

A lipopeptide studied for skin barrier support.

  • Lipopeptide researched for supporting skin barrier integrity and hydration
  • May improve skin smoothness and resilience by signaling extracellular matrix repair
  • Investigated for soothing sensitive or compromised skin in cosmetic formulas
Read the guide

Palmitoyl pentapeptide-3

  • Skin, Hair & Beauty
  • Anti-Aging

A collagen-stimulating cosmetic peptide.

  • Signal peptide studied for stimulating collagen and glycosaminoglycan synthesis
  • May reduce wrinkle appearance and support firmer, thicker dermal structure
  • Investigated as a cosmetic alternative to retinoids for anti‑aging care
Read the guide

Palmitoyl Tetrapeptide-7

  • Skin, Hair & Beauty
  • Anti-Aging

A cosmetic peptide researched for anti-inflammatory skin effects.

  • Peptide researched for anti‑inflammatory effects and reduction of pro‑inflammatory cytokines
  • May increase collagen and hyaluronic acid production for firmer, more elastic skin
  • Investigated for smoothing fine lines, improving texture, and calming sensitive skin
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Palmitoyl Tripeptide-1

  • Skin, Hair & Beauty
  • Anti-Aging

A cosmetic peptide researched for skin repair and firmness.

  • Matrikine peptide studied for signaling skin to produce more collagen and extracellular matrix
  • May improve firmness and reduce visible photoaging when used topically
  • Often combined with palmitoyl tetrapeptide‑7 in cosmetic anti‑aging complexes
Read the guide