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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 145168 of 170 peptides

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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
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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
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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
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Testosterone is a compound listed by research-peptide vendors.

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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

A synthetic dipeptide immunomodulator (Glu-Trp) studied for immune support.

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
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A zinc-dependent thymic nonapeptide studied for immune regulation and anti-inflammatory activity.

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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
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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
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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

Tripeptide-3

  • Skin, Hair & Beauty
  • Anti-Aging

A signaling peptide researched for connective tissue support.

  • Short peptide studied for signaling within connective tissue and extracellular matrix
  • May assist in maintaining skin firmness and structural integrity
  • Investigated for cosmetic applications targeting wrinkle depth and texture
Read the guide

Triptorelin

  • Sexual Health

A GnRH agonist studied for endocrine regulation.

  • GnRH agonist researched for downregulating LH and FSH after an initial stimulation phase
  • May be used in endocrine research on sex hormone suppression and fertility control
  • Investigated for hormone‑sensitive conditions needing controlled gonadotropin suppression
Read the guide

TRZ-2

  • Weight Loss

An experimental incretin-pathway peptide studied for weight and glucose control.

  • Weight Loss
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Vesilut

  • Gut Health
  • Immune Support

A bioregulatory peptide studied for urinary system support.

  • Urinary bioregulatory peptide studied for normalizing bladder wall and sphincter function
  • May improve urinary flow, frequency, and comfort in age‑related or chronic urinary issues
  • Investigated for supporting bladder and lower urinary tract health, including cystitis and BPH contexts
Read the guide

Vesilute

  • Gut Health
  • Immune Support

A bioregulatory peptide studied for urinary tissue health.

  • Bladder‑focused bioregulator researched for reducing urinary urgency and incontinence
  • May decrease inflammation and oxidative stress in bladder tissues to enhance comfort
  • Investigated for long‑term support of urinary tract resilience and quality of life in older adults
Read the guide

Vesugen

  • Heart & Vascular Health
  • Anti-Aging

A vascular-support bioregulatory peptide.

  • Vascular peptide bioregulator studied for strengthening blood vessel walls and endothelium
  • May improve microcirculation, oxygen delivery, and metabolic balance in tissues
  • Investigated for protecting against vascular aging, atherosclerosis, and endothelial dysfunction
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Vialox

  • Skin, Hair & Beauty
  • Anti-Aging

A cosmetic peptide studied for wrinkle reduction.

  • Neuropeptide‑inspired cosmetic ingredient researched for relaxing facial muscle contractions
  • May reduce dynamic wrinkles and expression lines when applied topically
  • Investigated for smoothing skin texture and improving visible firmness
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Vilon

  • Immune Support
  • Anti-Aging

A thymic bioregulatory peptide studied for immune balance.

  • Thymic dipeptide bioregulator studied for modulating immune cell differentiation
  • May help normalize immune responses and reduce age‑related immune decline
  • Investigated for supporting systemic longevity and resilience to chronic disease
Read the guide

VIP

  • Gut Health
  • Heart & Vascular Health
  • +1

A neuropeptide studied for vasodilation and immune modulation.

  • Endogenous vasoactive intestinal peptide researched for potent vasodilation and smooth muscle relaxation
  • May support gut motility, barrier integrity, and reduction of intestinal inflammation
  • Investigated for pulmonary, cardiovascular, and autoimmune conditions due to its immunomodulatory effects
Read the guide