Peptide Directory - 65+ Research Peptides

Browse our complete directory of research peptides organized by category. Each peptide page includes dosing protocols, storage guidelines, research summaries, and vendor price comparisons.

Healing & Recovery

• BPC-157 - A pentadecapeptide derived from human gastric juice, known for tissue healing properties.. Typical dose: 250-500 mcg. Frequency: 1-2x daily.
• TB-500 - A synthetic peptide of the naturally occurring thymosin beta-4, promotes healing and reduces inflammation.. Typical dose: 2000-5000 mcg. Frequency: 2x per week (loading), 1x per week (maintenance).
• BPC-157 Arginate - A stabilized form of BPC-157 with improved oral bioavailability.. Typical dose: 250-500 mcg. Frequency: 1-2x daily.

Growth Hormone Secretagogue

• Ipamorelin - A selective GH secretagogue with minimal effect on cortisol or prolactin.. Typical dose: 100-300 mcg. Frequency: 2-3x daily.
• CJC-1295 (no DAC) - A GHRH analog that stimulates growth hormone release without the Drug Affinity Complex.. Typical dose: 100-300 mcg. Frequency: 2-3x daily.
• CJC-1295 (with DAC) - A GHRH analog with Drug Affinity Complex for extended half-life.. Typical dose: 1000-2000 mcg. Frequency: 1-2x per week.
• GHRP-6 - A hexapeptide that stimulates growth hormone release and increases appetite.. Typical dose: 100-300 mcg. Frequency: 2-3x daily.
• GHRP-2 - A synthetic GHRP that stimulates GH release with less appetite stimulation than GHRP-6.. Typical dose: 100-300 mcg. Frequency: 2-3x daily.
• Sermorelin - A GHRH analog that naturally stimulates the pituitary to release growth hormone.. Typical dose: 200-500 mcg. Frequency: 1x daily.
• Tesamorelin - A GHRH analog FDA-approved for reducing abdominal fat in HIV patients.. Typical dose: 1000-2000 mcg. Frequency: 1x daily.
• Hexarelin - A potent GHRP that strongly stimulates GH release.. Typical dose: 100-200 mcg. Frequency: 2-3x daily.
• Tesamorelin - An FDA-approved GHRH analog that stimulates natural GH production for fat reduction.. Typical dose: 1000-2000 mcg. Frequency: 1x daily.
• MK-677 - An orally active GH secretagogue that increases IGF-1 and GH levels.. Typical dose: 10000-25000 mcg. Frequency: 1x daily.

GLP-1 Agonist

• Semaglutide - A GLP-1 receptor agonist used for weight management and blood sugar control.. Typical dose: 250-2500 mcg. Frequency: 1x per week.
• Liraglutide - A GLP-1 receptor agonist used for weight management and blood sugar control.. Typical dose: 600-3000 mcg. Frequency: 1x daily.

GLP-1/GIP Agonist

• Tirzepatide - A dual GIP and GLP-1 receptor agonist for weight management.. Typical dose: 2500-15000 mcg. Frequency: 1x per week.

Skin & Hair

• GHK-Cu - A copper-binding tripeptide with regenerative and anti-aging properties.. Typical dose: 200-500 mcg. Frequency: 1x daily.

Tanning & Libido

• Melanotan II - A synthetic analog of alpha-melanocyte stimulating hormone for tanning and libido.. Typical dose: 100-500 mcg. Frequency: Daily during loading, 1-2x weekly maintenance.

Sexual Health

• PT-141 - A melanocortin-based peptide used for sexual dysfunction in both men and women.. Typical dose: 500-2000 mcg. Frequency: As needed, max 1x per 24 hours.

Fat Loss

• AOD-9604 - A modified fragment of human growth hormone targeting fat metabolism.. Typical dose: 250-500 mcg. Frequency: 1x daily.
• HGH Fragment 176-191 - The lipolytic fragment of human growth hormone, targeting fat loss without GH side effects.. Typical dose: 250-500 mcg. Frequency: 2x daily.

Sleep & Recovery

• DSIP - A neuropeptide that promotes delta wave sleep and recovery.. Typical dose: 100-300 mcg. Frequency: 1x daily.
• DSIP - A neuropeptide that promotes deep delta wave sleep and has stress-reducing properties.. Typical dose: 100-300 mcg. Frequency: 1x daily.

Anti-Aging

• Epitalon - A tetrapeptide that may stimulate telomerase activity and promote cellular longevity.. Typical dose: 5000-10000 mcg. Frequency: 1x daily for 10-20 days, repeat cycle 2x/year.
• Carnosine - A dipeptide with anti-glycation properties that protects against cellular aging.. Typical dose: 500000-1000000 mcg. Frequency: 1-2x daily.

Nootropic & Anxiety

• Selank - A synthetic peptide derived from tuftsin with anxiolytic and nootropic properties.. Typical dose: 250-750 mcg. Frequency: 1-3x daily.

Nootropic & Cognitive

• Semax - A synthetic peptide derived from ACTH with nootropic and neuroprotective effects.. Typical dose: 200-1000 mcg. Frequency: 1-2x daily.
• Dihexa - A potent nootropic peptide that enhances cognitive function and promotes neural connectivity.. Typical dose: 10000-40000 mcg. Frequency: 1x daily.
• P21 - A CNTF-derived peptide fragment that promotes neurogenesis and cognitive enhancement.. Typical dose: 200-600 mcg. Frequency: 1x daily.
• N-Acetyl Semax Amidate - An enhanced, more stable form of Semax with extended duration of effects.. Typical dose: 100-600 mcg. Frequency: 1-2x daily.
• N-Acetyl Selank Amidate - An enhanced, more stable form of Selank with extended anxiolytic effects.. Typical dose: 100-400 mcg. Frequency: 1-2x daily.

Metabolic & Longevity

• MOTS-c - A mitochondrial-derived peptide that regulates metabolic homeostasis and exercise mimetic.. Typical dose: 5000-10000 mcg. Frequency: 3-5x per week.

Mitochondrial

• SS-31 - A cell-permeable peptide that targets mitochondria to reduce oxidative stress.. Typical dose: 5000-20000 mcg. Frequency: 1x daily or every other day.

Hormonal

• Kisspeptin-10 - A peptide that stimulates GnRH release, potentially boosting natural testosterone/LH.. Typical dose: 100-1000 mcg. Frequency: 1-2x daily.
• Gonadorelin - A synthetic GnRH that stimulates LH and FSH release for hormone optimization.. Typical dose: 50-200 mcg. Frequency: 1-2x daily or every other day.

Muscle Growth

• IGF-1 LR3 - A modified IGF-1 with extended half-life for enhanced muscle growth and recovery.. Typical dose: 20-100 mcg. Frequency: 1x daily.
• MGF - A splice variant of IGF-1 released in response to muscle stretch/damage.. Typical dose: 100-400 mcg. Frequency: Post-workout.
• PEG-MGF - A PEGylated version of MGF with extended half-life for systemic effects.. Typical dose: 200-400 mcg. Frequency: 2-3x per week.
• Follistatin 344 - A protein that inhibits myostatin, potentially allowing for enhanced muscle growth.. Typical dose: 100-300 mcg. Frequency: 1x daily for 10-30 days.
• ACE-031 - A soluble form of activin receptor type IIB that inhibits myostatin signaling.. Typical dose: 250-1000 mcg. Frequency: 1x every 2 weeks.
• IGF-1 DES - A truncated IGF-1 variant with enhanced local tissue effects.. Typical dose: 20-100 mcg. Frequency: Pre-workout or post-workout.

Antimicrobial & Healing

• LL-37 - A human host defense peptide with antimicrobial and wound healing properties.. Typical dose: 100-400 mcg. Frequency: 1-2x daily.

Immune & Anti-Aging

• Thymalin - A thymic peptide that supports immune function and thymus regeneration.. Typical dose: 5000-10000 mcg. Frequency: 1x daily for 10 days, repeat 1-2x yearly.

Joint Health

• Pentosan Polysulfate - A semi-synthetic polysulfated xylan used for joint health and bladder conditions.. Typical dose: 3000-6000 mcg. Frequency: 1x weekly or every other week.

GLP-1/GIP/Glucagon Agonist

• Retatrutide - A triple agonist targeting GLP-1, GIP, and glucagon receptors for powerful weight loss.. Typical dose: 1000-12000 mcg. Frequency: 1x per week.

Anti-Inflammatory

• KPV - A tripeptide derived from alpha-MSH with potent anti-inflammatory effects, especially for gut health.. Typical dose: 200-500 mcg. Frequency: 1-2x daily.

Mitochondrial & Longevity

• Humanin - A mitochondrial-derived peptide with neuroprotective and cytoprotective properties.. Typical dose: 500-2000 mcg. Frequency: 1x daily.

Senolytic & Longevity

• FOXO4-DRI - A senolytic peptide that selectively induces apoptosis in senescent cells.. Typical dose: 5000-10000 mcg. Frequency: 3x per week for 3-4 weeks.

Immune Support

• Thymosin Alpha-1 - A thymic peptide that modulates immune function and enhances vaccine response.. Typical dose: 1600-6400 mcg. Frequency: 2-3x per week.

Hormonal & Social

• Oxytocin - A neuropeptide that promotes bonding, trust, and social connection.. Typical dose: 10000-40000 mcg. Frequency: As needed or 1x daily.

Metabolic & Fat Loss

• 5-Amino-1MQ - An NNMT inhibitor that promotes fat metabolism and energy expenditure.. Typical dose: 50000-150000 mcg. Frequency: 1-2x daily.

Bioregulator

• Cardiogen - A short peptide bioregulator targeting cardiovascular health and heart function.. Typical dose: 10000-20000 mcg. Frequency: 1x daily for 10-20 days.
• Pinealon - A tripeptide bioregulator targeting brain function and the pineal gland.. Typical dose: 10000-20000 mcg. Frequency: 1x daily for 10-20 days.
• Cortagen - A bioregulator peptide targeting brain cortex function and cognitive health.. Typical dose: 10000-20000 mcg. Frequency: 1x daily for 10-20 days.

Gut Health

• Larazotide - A peptide that regulates intestinal tight junctions, researched for celiac and leaky gut.. Typical dose: 500-2000 mcg. Frequency: 3x daily with meals.

Nootropic & Neuroprotective

• Cerebrolysin - A mixture of neuropeptides for cognitive enhancement and brain injury recovery.. Typical dose: 5000000-10000000 mcg. Frequency: 1x daily for 10-20 days.
• FGL - A peptide derived from NCAM that promotes neural plasticity and memory.. Typical dose: 100-500 mcg. Frequency: 1x daily.

Antioxidant

• Glutathione - The master antioxidant, crucial for detoxification and cellular protection.. Typical dose: 100000-600000 mcg. Frequency: 1-2x daily.

Cellular Energy & Longevity

• NAD+ - A coenzyme essential for cellular energy, DNA repair, and longevity pathways.. Typical dose: 100000-500000 mcg. Frequency: 1-2x per week (IV/IM) or daily (sublingual).

Healing & Fibrosis

• B7-33 - A relaxin-derived peptide researched for tissue remodeling and fibrosis.. Typical dose: 100-500 mcg. Frequency: 1x daily.

Cosmetic

• Argireline - A topical peptide that reduces wrinkle appearance by relaxing facial muscles.. Typical dose: 0-0 mcg. Frequency: 2x daily (topical).
• Matrixyl - A signal peptide that stimulates collagen synthesis for anti-aging skin benefits.. Typical dose: 0-0 mcg. Frequency: 2x daily (topical).

Weight Loss

• Tesofensine - A serotonin-norepinephrine-dopamine reuptake inhibitor for weight loss.. Typical dose: 250-500 mcg. Frequency: 1x daily.

Skin & Healing

• GHK-Basic - The base tripeptide of GHK-Cu without copper, used for tissue regeneration.. Typical dose: 200-500 mcg. Frequency: 1x daily.

Tanning

• Melanotan I - A synthetic MSH analog that provides sun-free tanning and UV protection.. Typical dose: 500-1000 mcg. Frequency: Every other day during loading.

Metabolic

• 5-Amino-1MQ - A small molecule that inhibits NNMT enzyme to support fat metabolism and metabolic health.. Typical dose: 50000-150000 mcg. Frequency: 1-2x daily.

More Resources

• Peptide Calculator - Free dosage calculations for any peptide
• Educational Guides - In-depth articles on reconstitution, dosing, and more
• Peptide Glossary - 40+ key terms defined
• FAQ - Common questions answered