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Evidence-Based Peptide Research Database

Independent peptide profiles covering mechanisms, evidence quality, safety signals, and study dosages. Educational reference only.

48 compound profilesPrimary-source referencesIndependent & evidence-first

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Where to Source Research Peptides

A curated selection of research-grade compounds from independent third-party suppliers. Peptidelogy does not sell these products; each card links directly to the vendor’s own store.

Disclosure: links above go to external third-party vendors and may be tracked as referrals. Peptidelogy is not the seller and does not handle orders, payment, or shipping. Product images are the property of their respective vendors. Prices are indicative and set by each vendor. Listed compounds are intended for laboratory and research use only.

Popular Research Topics

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Reference pages are grouped by the primary research context in which each compound appears.

All Peptides A-Z

Search by compound name, alias, category, or research area.

48 of 48 peptides shown

5-Amino-1MQ

5-Amino-1MQ is a non-peptide NNMT inhibitor studied in metabolic and adipose-tissue research models.

Metabolic & Weight
AOD-9604

AOD-9604 is a modified hGH fragment studied for lipid metabolism and obesity-related research.

Metabolic & Weight
BPC-157

BPC-157 is a gastric-peptide-derived compound studied in tissue, tendon, vascular, and gastrointestinal repair models.

Healing & Recovery
BPC-157 + TB-500

BPC-157 + TB-500 is a peptide blend concept studied through its individual tissue-repair and cell-migration components.

Healing & Recovery
Cagrilintide

Cagrilintide is a long-acting amylin analog studied for appetite, satiety, and body-weight research.

Metabolic & Weight
Cerebrolysin

Cerebrolysin is a peptide preparation studied for neuroprotective and neurotrophic effects in cognitive and neurological research.

Nootropic & Cognitive
CJC-1295

CJC-1295 is a long-acting GHRH analog studied for growth-hormone pulse stimulation and IGF-1-axis research.

Growth & Muscle
CJC-1295 No DAC

CJC-1295 No DAC is a shorter-acting GHRH analog studied for growth-hormone pulse research.

Longevity & Anti-AgingGrowth & Muscle
Dihexa

Dihexa is an angiotensin IV-derived compound studied for synaptogenesis, HGF signaling, and cognitive research models.

Nootropic & Cognitive
DSIP (Delta Sleep-Inducing Peptide)

DSIP is a naturally occurring nonapeptide first isolated in connection with sleep states and studied for sleep regulation, stress, and neuroendocrine signaling.

Nootropic & Cognitive
Epithalon

Epithalon is a synthetic tetrapeptide studied in aging, pineal peptide, and telomere-related research.

Longevity & Anti-Aging
Follistatin (FST-344)

Follistatin is a naturally occurring glycoprotein studied for inhibiting myostatin and other TGF-beta family members.

Growth & Muscle
Follicle Stimulating Hormone

Follicle stimulating hormone is a reproductive hormone studied for ovarian, testicular, and fertility-related endocrine signaling.

Hormonal & Reproductive
GHK-Cu

GHK-Cu is a copper peptide studied for skin remodeling, collagen signaling, and tissue repair biology.

Cosmetic & Skin
GHRP-6

GHRP-6 is a growth hormone secretagogue peptide studied for GH release and appetite-related endocrine signaling.

Longevity & Anti-AgingGrowth & Muscle
GLOW (Peptide Blend)

GLOW refers to a research peptide blend commonly combining GHK-Cu, BPC-157, and TB-500, discussed for skin, tissue repair, and recovery research.

Cosmetic & SkinHealing & Recovery
Glutathione

Glutathione is a tripeptide antioxidant studied in redox biology, detoxification pathways, and skin-pigmentation research.

Cosmetic & SkinLongevity & Anti-Aging
HCG

HCG is a glycoprotein hormone studied for reproductive endocrine signaling and LH-receptor activity.

Hormonal & Reproductive
IGF-1 DES

IGF-1 DES is a truncated IGF-1 analog studied for IGF-1 receptor signaling and cell-proliferation models.

Growth & Muscle
IGF-1 LR3

IGF-1 LR3 is a long-acting analog of insulin-like growth factor 1 studied for cell growth, proliferation, and muscle tissue in research settings.

Growth & Muscle
Ipamorelin

Ipamorelin is a GH secretagogue peptide studied for growth-hormone release with relatively selective ghrelin-receptor activity.

Growth & MuscleLongevity & Anti-Aging
Kisspeptin-10

Kisspeptin-10 is a decapeptide studied as a key regulator of GnRH release and the reproductive hormonal axis.

Hormonal & Reproductive
KLOW (Peptide Blend)

KLOW is a four-peptide blend concept combining KPV, GHK-Cu, BPC-157, and TB-500, studied through its individual component literatures.

Healing & RecoveryCosmetic & Skin
KPV

KPV is a tripeptide studied for immunomodulatory and inflammation-resolution signaling in epithelial and immune models.

Healing & Recovery
Lemon Bottle

Lemon Bottle is a cosmetic formulation topic discussed in body-contouring and aesthetic research contexts, not a single peptide.

Cosmetic & Skin
LIPO-C

LIPO-C refers to lipotropic injection blends commonly discussed for metabolic support, but it is not a peptide.

Metabolic & Weight
LL-37

LL-37 is the only human cathelicidin antimicrobial peptide, studied for antimicrobial, immunomodulatory, and wound-healing properties.

Healing & Recovery
Mazdutide

Mazdutide is a dual GLP-1 and glucagon receptor agonist studied for weight management and metabolic effects.

Metabolic & Weight
Melanotan 1 (Afamelanotide)

Melanotan 1 is a synthetic alpha-MSH analog studied for stimulating melanin production and photoprotection.

Cosmetic & Skin
Melanotan 2

Melanotan 2 is a synthetic melanocortin analog studied for pigmentation and broader melanocortin-receptor effects.

Cosmetic & SkinHormonal & Reproductive
MOTS-c

MOTS-c is a mitochondria-derived peptide studied for metabolic regulation, insulin sensitivity, and aging biology.

Metabolic & WeightLongevity & Anti-Aging
NAD+

NAD+ is a cellular cofactor studied in redox biology, mitochondrial function, and aging-related metabolism.

Longevity & Anti-Aging
Pinealon

Pinealon is a short bioregulatory peptide studied in neuroprotection, brain aging, and stress-response models.

Nootropic & CognitiveLongevity & Anti-Aging
PT-141 (Bremelanotide)

PT-141 is a melanocortin receptor agonist studied for sexual-function and neuroendocrine signaling.

Hormonal & Reproductive
Retatrutide

Retatrutide is a triple receptor agonist studied for obesity, glucose control, and metabolic disease research.

Metabolic & Weight
Selank

Selank is a synthetic peptide studied for anxiolytic, neuroimmune, and cognitive research effects.

Nootropic & Cognitive
Semaglutide

Semaglutide is a GLP-1 receptor agonist studied and used clinically for glucose control and chronic weight-management indications.

Metabolic & Weight
Semax

Semax is an ACTH-derived peptide studied in neuroprotection, cognition, and stress-response research.

Nootropic & Cognitive
Sermorelin

Sermorelin is a GHRH analog studied for pituitary growth-hormone stimulation and GH-axis testing.

Longevity & Anti-AgingGrowth & Muscle
SLU-PP-332

SLU-PP-332 is a synthetic estrogen-related receptor agonist studied as an exercise mimetic for metabolism and endurance in preclinical models.

Metabolic & Weight
Snap-8 (Acetyl Octapeptide-3)

Snap-8 is a topical anti-wrinkle peptide studied as a needle-free alternative to botulinum toxin for reducing expression lines.

Cosmetic & Skin
SS-31 (Elamipretide)

SS-31 is a mitochondria-targeting tetrapeptide studied for preserving mitochondrial function and cellular energy production.

Longevity & Anti-Aging
TB-500 (Thymosin Beta-4)

TB-500 is a synthetic thymosin beta-4-related peptide studied for tissue repair, cell migration, and recovery models.

Healing & Recovery
Tesamorelin

Tesamorelin is a GHRH analog studied for visceral adiposity and GH-axis metabolic effects.

Longevity & Anti-AgingMetabolic & Weight
Thymalin

Thymalin is a thymus-derived peptide complex studied for immune regulation and geroprotective effects.

Longevity & Anti-Aging
Thymosin Alpha-1

Thymosin Alpha-1 is a thymic peptide studied for immune regulation, antiviral-response signaling, and T-cell function.

Healing & RecoveryLongevity & Anti-Aging
Tirzepatide

Tirzepatide is a dual GIP and GLP-1 receptor agonist studied for metabolic disease and weight-management outcomes.

Metabolic & Weight
VIP

VIP is a neuropeptide studied for immune, pulmonary, circadian, and neuroendocrine signaling.

Longevity & Anti-AgingNootropic & Cognitive

How to Read Peptide Research

Peptide claims often mix cell studies, animal models, small human studies, approved clinical uses, and anecdotes. Peptidelogy keeps those evidence levels separate so a plausible mechanism is not presented as proven clinical benefit.

Mechanism
What pathway or receptor is involved, and whether that mechanism has been demonstrated directly.
Evidence quality
Whether findings come from laboratory models, animal research, human trials, or regulated clinical use.
Safety context
Known signals, unanswered questions, study limitations, and why research dosage is not a use protocol.

How Peptidelogy Reviews Peptide Research

Peptidelogy is an independent reference resource that organizes peptide information in a clinical, research-first format. Pages are built from structured entries and include mechanisms, studied effects, safety notes, dosage references from literature, and cited sources.

Peptidelogy does not sell products and is not a medical provider. Some sections link to independent third-party suppliers of research compounds; these are external vendors, and Peptidelogy is not responsible for their products, claims, pricing, or fulfillment. Nothing on this site is medical advice or an endorsement to acquire, administer, or use any substance.