Skip to content

Directory

Peptide Database

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

Showing 121144 of 155 peptides

Sorted A–Z

Semaglutide

  • Weight Loss
  • Gut Health
  • +1

A GLP-1 receptor agonist primarily used for weight management and blood sugar control.

  • GLP‑1 receptor agonist studied for substantial and sustained weight loss in obesity
  • Improves glycemic control and reduces cardiovascular and metabolic risk factors
  • Acts on appetite centers and slows gastric emptying to enhance satiety
Read the guide

Semax

  • Nootropics

A nootropic peptide studied for cognition and neuroprotection.

  • Synthetic ACTH(4‑10) analog researched for pro‑cognitive and neuroprotective effects
  • May enhance learning, memory, and resistance to hypoxic or ischemic stress
  • Investigated for improving attention and mental performance under load
Read the guide

Sermorelin

  • Muscle Recovery
  • Sleep & Mood
  • +1

A growth hormone releasing hormone analog.

  • GHRH analog studied for stimulating endogenous growth hormone secretion
  • May support lean body mass, recovery, and sleep quality in GH‑deficient states
  • Investigated as a physiologic alternative to exogenous GH therapy
Read the guide

SLU-PP-332

  • Weight Loss
  • Heart & Vascular Health

A metabolic peptide studied for energy expenditure.

  • Selective thyroid hormone receptor‑beta agonist researched for increasing energy expenditure
  • May improve lipid profiles, fatty liver parameters, and body composition in models
  • Investigated for obesity and metabolic syndrome without classical hyperthyroid effects
Read the guide

SNAP-8

  • Skin, Hair & Beauty
  • Anti-Aging

A cosmetic peptide researched for wrinkle reduction.

  • Octapeptide studied as an extended Argireline‑type ingredient for expression line reduction
  • May decrease neurotransmitter release at the neuromuscular junction in facial muscles
  • Investigated for smoothing forehead and periorbital wrinkles in topical use
Read the guide

SS-31

  • Anti-Aging
  • Heart & Vascular Health
  • +1

A mitochondrial-targeted peptide studied for cellular protection.

  • Mitochondria‑targeting peptide researched for binding cardiolipin and preserving mitochondrial structure
  • May improve ATP production, reduce reactive oxygen species, and enhance exercise tolerance
  • Investigated for kidney, cardiac, and age‑related mitochondrial dysfunction
Read the guide

Survo

  • Weight Loss

An investigational peptide studied for multi-receptor metabolic and weight-control effects.

  • Weight Loss
Read the guide

Survodutide

  • Weight Loss

A dual-agonist peptide researched for potent obesity and metabolic control.

  • Weight Loss
Read the guide

Syn-AKE

  • Skin, Hair & Beauty
  • Anti-Aging

A neuropeptide analog studied for expression line reduction.

  • Peptide modeled after waglerin‑1 studied for reversible neuromuscular blocking activity in facial muscles
  • May reduce expression lines by limiting acetylcholine receptor activation
  • Investigated as a topical “botox‑like” ingredient for wrinkle reduction
Read the guide

Syn-Coll

  • Skin, Hair & Beauty
  • Anti-Aging

A collagen-stimulating peptide studied for skin structure.

  • Palmitoyl tripeptide studied for stimulating collagen synthesis via TGF‑β pathways
  • May improve skin firmness and reduce wrinkle depth in cosmetic research
  • Investigated for long‑term restructuring of dermal extracellular matrix
Read the guide

TB-500

  • Muscle Recovery

A synthetic peptide version of Thymosin Beta-4, known for promoting healing, recovery, and tissue regeneration.

  • Muscle Recovery
Read the guide

TB-500 Fragment

  • Muscle Recovery

A fragment peptide studied for repair signaling.

  • Thymosin beta‑4 fragment researched for enhancing tissue repair and angiogenesis
  • May support recovery of tendons, ligaments, and muscle after injury
  • Investigated for reducing inflammation and fibrosis in damaged tissues
Read the guide

Tesamorelin

  • Weight Loss
  • Muscle Recovery
  • +1

A stabilized GHRH analog studied for GH enhancement.

  • GHRH analog studied for reducing visceral adipose tissue, especially in HIV‑associated lipodystrophy
  • Increases endogenous GH and IGF‑1 while largely preserving insulin sensitivity
  • Investigated for body‑composition improvement and cardiometabolic risk reduction
Read the guide

Tesofensine

  • Weight Loss
  • Sleep & Mood

A monoamine reuptake inhibitor studied for weight loss.

  • Triple monoamine reuptake inhibitor researched for robust appetite suppression and weight loss
  • Increases synaptic dopamine, norepinephrine, and serotonin to enhance satiety signaling
  • Investigated for preserving resting energy expenditure and limiting post‑diet weight regain
Read the guide

Testagen

  • Sexual Health
  • Anti-Aging

A bioregulatory peptide researched for male reproductive tissue support.

  • Bioregulatory peptide studied for supporting testicular tissue health and function
  • May modulate spermatogenesis and androgen production in aging models
  • Investigated for maintaining male reproductive performance over time
Read the guide

Testosterone is a compound listed by research-peptide vendors.

Read the guide

Thymagen

  • Immune Support
  • Anti-Aging

A thymus-supporting bioregulatory peptide.

  • Thymic bioregulator researched for normalizing immune cell differentiation
  • May support T‑cell maturation and balanced immune responses
  • Investigated for improving resilience against infections and immune dysregulation
Read the guide

Thymalin

  • Immune Support
  • Anti-Aging

A thymic peptide studied for immune regulation.

  • Thymic peptide complex studied for restoring impaired immunity in older subjects
  • May improve T‑cell counts and reduce markers of chronic inflammation
  • Investigated for longevity, infection resistance, and healthier aging trajectories
Read the guide

Thymosin Alpha-1

  • Immune Support

An immune-modulating peptide studied for host defense.

  • Immune‑modulating peptide researched for enhancing T‑cell and natural killer cell activity
  • May help control chronic viral infections and improve vaccine responses
  • Investigated for balancing inflammatory cytokines and supporting immune resilience
Read the guide

Thyrotropin TRH

  • Weight Loss
  • Sleep & Mood

A hypothalamic peptide studied for thyroid axis regulation.

  • Hypothalamic tripeptide studied for stimulating TSH release from the pituitary
  • May support thyroid hormone production and metabolic regulation in deficiency states
  • Investigated for diagnostic testing of pituitary–thyroid axis integrity
Read the guide

Tirzepatide

  • Weight Loss
  • Gut Health
  • +1

A dual incretin peptide studied for powerful metabolic regulation.

  • Dual GIP/GLP‑1 receptor agonist researched for powerful glucose lowering and weight loss
  • Improves beta‑cell function and insulin sensitivity beyond GLP‑1 agonists alone
  • Investigated for type 2 diabetes, obesity, and cardiometabolic risk reduction
Read the guide

Tributyrin

  • Gut Health
  • Immune Support
  • +1

A short-chain fatty acid prodrug studied for gut health.

  • Prodrug of butyrate studied for delivering short‑chain fatty acids to the colon
  • May support gut barrier integrity, microbiome balance, and anti‑inflammatory signaling
  • Investigated for metabolic health, mood support, and bowel regularity
Read the guide

Tripeptide-1

  • Skin, Hair & Beauty
  • Anti-Aging

A signaling peptide used in skin and tissue repair research.

  • Signal peptide studied for stimulating collagen synthesis and extracellular matrix repair
  • May improve skin firmness and reduce early signs of aging in topical use
  • Investigated for wound healing and dermal remodeling support
Read the guide

Tripeptide-29

  • Skin, Hair & Beauty
  • Muscle Recovery

A signaling peptide studied for tissue repair and regeneration.

  • Collagen‑related peptide researched for supporting dermal structure and elasticity
  • May promote tissue repair and reduce the appearance of fine lines
  • Investigated for broader connective‑tissue maintenance in skin and joints
Read the guide