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Independent peptide reference

Dosing, safety, and storage: sourced and plain‑English.

A free, independent reference for research peptides: what they are, how people dose and cycle them, and how to store and handle them safely. No account, no pitch.

Compounds

37 profiles · more added weekly

GLP-1 / GIP / GlucagonTriple-agonist peptide studied for metabolic and weight research.

GLP-1 / GIPDual-agonist peptide, with a unit-dosing chart and titration schedule.

Healing peptideBody-protection compound studied for tissue and gut recovery.

GLP-1GLP-1 peptide with a units chart for converting doses on an insulin syringe.

GHRH analogGHRH analog studied for visceral fat, with daily-dosing guidance.

Mitochondrial peptideMitochondrial peptide studied for metabolic and exercise research.

CJC-1295 / Ipamorelin

GHRH / GHRP stackGHRH-analog and GH-secretagogue stack, studied for growth-hormone release.

Copper peptideCopper peptide studied for skin, hair, and wound-healing research.

GHRH analogGHRH analog studied for stimulating the body's own growth-hormone release.

Anti-inflammatory peptidealpha-MSH tripeptide fragment studied for anti-inflammatory and gut-healing effects.

Melanocortin agonistMelanocortin agonist, FDA-approved as Vyleesi for low sexual desire in women.

hGH fragmentGrowth-hormone fragment marketed for fat loss, with disappointing human trial data.

Nootropic peptideACTH-fragment nootropic registered in Russia, studied for neuroprotection.

Anxiolytic peptideTuftsin-analog anxiolytic registered in Russia, studied for anxiety.

Healing peptideThymosin beta-4 fragment used for recovery, with little human evidence.

Mitochondrial peptideMitochondria-targeting peptide (elamipretide), recently approved for a rare disease.

Exercise mimeticPreclinical small-molecule exercise mimetic studied in mice, not a peptide.

Amylin analogLong-acting amylin analog studied for weight, alone and as CagriSema with semaglutide.

Oral GLP-1 agonistOral non-peptide GLP-1 pill with large Phase 3 obesity and diabetes trial data.

GLP-1 / GlucagonInvestigational GLP-1/glucagon dual agonist studied for weight and fatty liver (MASH).

GLP-1 / GlucagonGLP-1/glucagon dual agonist with Chinese Phase 3 obesity data, not FDA-approved.

Appetite suppressantInvestigational non-peptide triple monoamine reuptake inhibitor studied for weight.

MK-677 (Ibutamoren)

Oral GH secretagogueOral non-peptide ghrelin-receptor agonist that raises GH and IGF-1. Not FDA-approved.

GHRH analogGHRH analog on its own, covering the with-DAC vs without-DAC (mod GRF 1-29) split.

GH secretagogue / GHRPSynthetic GHRP that potently releases GH, with real 1990s-2000s human pharmacology data.

IGF-1 analogLong-acting IGF-1 analog sold as a research chemical, with no human trials.

Thymosin Alpha-1

Immune peptideImmune-modulating peptide (Zadaxin) marketed abroad for hepatitis, not FDA-approved.

Brain peptide mixturePorcine brain-derived peptide mix used abroad for stroke and dementia, mixed evidence.

Nootropic peptidomimeticAngiotensin IV analog studied for memory in rodents only, with no human trials.

Longevity tetrapeptideKhavinson tetrapeptide (AEDG) promoted for telomerase and longevity on preclinical data.

Bioregulator tripeptideKhavinson tripeptide (EDR) studied for neuroprotection in Russian preclinical work.

Sleep-related peptideDelta sleep-inducing peptide with old, limited data and a debated sleep role.

CoenzymeInjectable coenzyme marketed for energy and anti-aging, with limited human evidence.

NNMT inhibitorExperimental NNMT inhibitor studied for metabolism in mice, not a peptide, no human trials.

Alpha-MSH analogAfamelanotide: an approved EPP implant, distinct from gray-market tanning use.

Melanocortin agonistUnapproved non-selective melanocortin agonist sold for tanning, with documented risks.

Neuropeptide / vasodilatorVasoactive intestinal peptide (aviptadil), mixed clinical data and fringe intranasal use.

Calculators

Reconstitution CalculatorVial size, BAC water, dose → draw volume

Tirzepatide mg to units BPC-157 + TB-500 blend

Dosage calculators by compound

Retatrutide Tirzepatide Semaglutide BPC-157 GHK-Cu MOTS-c Tesamorelin CJC-1295 / Ipamorelin Sermorelin KPV PT-141 AOD-9604 TB-500 SS-31

Guides

Peptide basicsWhat they are, legality, cost, storage How to reconstitute peptidesMix, measure, and draw a dose Bacteriostatic water for peptidesWhich water, and how much How to inject peptidesSubcutaneous basics and sites Peptide storage and shelf lifeFridge, shelf life, and handling Are peptides legal?Research-use status, explained Which peptides are FDA-approved?Approved drugs vs research compounds Do peptides show up on drug tests?Standard panels vs anti-doping Do GLP-1 patches work?What is microdosing GLP-1?Does tirzepatide cause hair loss?Does tirzepatide make you tired?BPC-157: onset, oral use, storage, and timing

Peptides by goal

Which compounds are studied for what

Peptides for muscle growth

GH secretagogues and recovery peptides

Peptides for weight loss

GLP-1 agonists and the rest, by evidence

Peptides for hair growth

What the mostly-topical data supports

Peptides for healing and recovery

Recovery and tissue-repair peptides

Peptides for energy

Metabolic and GH-axis peptides

Peptides for longevity

Peptides for sleep

Peptides for cognition

Peptides for sexual health

Peptides for tanning

Compare compounds

Side-by-side, sourced and hedged

Retatrutide vs Tirzepatide

Triple agonist vs dual agonist, and investigational vs FDA-approved.

Tirzepatide vs Semaglutide

Two approved incretins: receptor targets, dosing, and the head-to-head trial.

BPC-157 vs TB-500

Two recovery peptides with limited human evidence and no approval.

Tesamorelin vs Sermorelin

Two GHRH analogs with very different approval histories.

Sermorelin vs Ipamorelin

GHRH analog vs selective GH secretagogue, by mechanism and evidence.

Tesamorelin vs Ipamorelin

Approved GHRH analog vs research-only secretagogue.

Selank vs Semax

Two Russian intranasal peptides: anxiety vs cognition.

Mounjaro vs Ozempic

Tirzepatide vs semaglutide, both approved for type 2 diabetes.

Zepbound vs Wegovy

Tirzepatide vs semaglutide, both approved for chronic weight management.

Mounjaro vs Zepbound

Same molecule (tirzepatide), two brands with different approved uses.

Ozempic vs Wegovy

Same molecule (semaglutide), two brands with different approved uses and max doses.

Retatrutide vs Semaglutide

Investigational triple agonist vs FDA-approved GLP-1 agonist.

BPC-157 vs GHK-Cu

Synthetic repair peptide vs copper tripeptide, both without FDA approval.

Orforglipron vs Semaglutide

Oral GLP-1 pill vs injectable GLP-1 peptide, and their differing approval status.

Orforglipron vs Tirzepatide

Oral GLP-1-only pill vs injectable GLP-1/GIP peptide, and their differing approval status.

MK-677 (Ibutamoren) vs CJC-1295

Oral ghrelin-receptor agonist vs injectable GHRH analog, both raising GH with limited evidence.

Cagrilintide vs Retatrutide

Amylin analog vs triple agonist, both investigational and once-weekly.

Cagrilintide vs Semaglutide

Investigational amylin analog vs approved GLP-1, and why they are combined as CagriSema.

Melanotan-1 vs Melanotan II

Two different molecules: one MC1R-selective and approved for EPP, one non-selective and unapproved.

Survodutide vs Retatrutide

GLP-1/glucagon dual vs GLP-1/GIP/glucagon triple, both investigational.

Mazdutide vs Retatrutide

GLP-1/glucagon dual (China-developed) vs GLP-1/GIP/glucagon triple.

Mazdutide vs Survodutide

Two GLP-1/glucagon duals differing in program and dosing, not class.

Orforglipron vs Retatrutide

Oral GLP-1 pill vs injectable triple agonist, at very different regulatory stages.

Survodutide vs Tirzepatide

GLP-1/glucagon dual vs GLP-1/GIP dual, and investigational vs FDA-approved.

Mazdutide vs Tirzepatide

GLP-1/glucagon dual vs GLP-1/GIP dual, and China-approved vs FDA-approved.

Cagrilintide vs Tirzepatide

Amylin analog vs GLP-1/GIP incretin, and investigational vs FDA-approved.

CJC-1295 vs Sermorelin

Two GHRH analogs: short-acting sermorelin vs longer-acting CJC-1295.

Hexarelin vs CJC-1295

A ghrelin-receptor GHRP vs a GHRH analog, by receptor and evidence.

MK-677 vs Sermorelin

Oral non-peptide secretagogue vs injectable GHRH analog peptide.

PT-141 vs Melanotan II

Two melanocortin agonists: approved PT-141 vs unapproved Melanotan II.

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