Peptide Database

Mazdutide is a compound listed by research-peptide vendors.

MC-31

• Anti-Aging

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

• Anti-Aging

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

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

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

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

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

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

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

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

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

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

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

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

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

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

N-Acetyl Semax Amidate

• Nootropics

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

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

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

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

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

Orforglipron

• Weight Loss

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

• Weight Loss

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

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