PEPGAINS/LIBRARY
THE LIBRARYUPDATED WEEKLYFREE FOREVER

42+ COMPOUNDS.
FILTERED FOR SIGNAL.
NO BULLSHIT.

Every peptide worth knowing — categorized, color-coded, and citation-backed. Click any compound to dive into the full profile: mechanism, research, dosing, stacks, and suppliers. Everything's free to read.

42 OF 42 SHOWN
⚕ EDUCATIONAL · NOT MEDICAL ADVICE
METABOLIC · #001FDA Approved
Semaglutide
Ozempic · Wegovy
PYVGESKLP+?

The King of Weight Loss Peptides

✓ AT PEAK LABREAD
⚕ EDUCATIONAL · NOT MEDICAL ADVICE
METABOLIC · #002FDA Approved
Tirzepatide
Mounjaro · Zepbound
DFFDSPGKY+?

The Dual Agonist That Beats Ozempic

✓ AT PEAK LABREAD
⚠ RESEARCH USE ONLY · NOT MEDICAL ADVICE
TRENDING · #003Research
BPC-157
Body Protection Compound · Pentadecapeptide
DELYKGTAD+?

The Wolverine Peptide

✓ AT PEAK LABREAD
⚠ RESEARCH USE ONLY · NOT MEDICAL ADVICE
METABOLIC · #004Phase 3 Trials
Cagrilintide
AM833 · CagriSema (with semaglutide)
YEEVSGGKY+?

The amylin analog making GLP-1s work harder

✓ AT PEAK LABREAD
⚠ RESEARCH USE ONLY · NOT MEDICAL ADVICE
TRENDING · #005Phase 3 Trials
Retatrutide
Triple G · LY3437943
SGPKDELYA+?

The Triple Threat

✓ AT PEAK LABREAD
⚕ EDUCATIONAL · NOT MEDICAL ADVICE
MUSCLE · #006FDA Approved
Tesamorelin
Egrifta · TH9507
SGTSYFEVK+?

FDA-approved GHRH analog with clean GH/IGF-1 elevation

✓ AT PEAK LABREAD
⚠ RESEARCH USE ONLY · NOT MEDICAL ADVICE
TRENDING · #007Research
TB-500
Thymosin Beta-4 · TB4
ESKFTVVGE+?

Systemic Healing Power

✓ AT PEAK LABREAD
⚠ RESEARCH USE ONLY · NOT MEDICAL ADVICE
TRENDING · #008Research · Supplement
Glutathione
GSH · L-Glutathione
FKSLTDVTE+?

The Master Antioxidant

✓ AT PEAK LABREAD
⚠ RESEARCH USE ONLY · NOT MEDICAL ADVICE
TRENDING · #009Cosmetic · Research
GHK-Cu
Copper Peptide · GHK-Copper
GHKCu²⁺

The Skin Rejuvenation Peptide

✓ AT PEAK LABREAD
⚠ RESEARCH USE ONLY · NOT MEDICAL ADVICE
TRENDING · #010Research · Supplement
NAD+
Nicotinamide Adenine Dinucleotide · NAD
FSSETYDPL+?

The Cellular Energy Currency

✓ AT PEAK LABREAD
⚠ RESEARCH USE ONLY · NOT MEDICAL ADVICE
HEALING · #011Research
KPV
Lys-Pro-Val · α-MSH(11-13)
AGPSYFEVA+?

The smallest anti-inflammatory peptide worth knowing

✓ AT PEAK LABREAD
⚠ RESEARCH USE ONLY · NOT MEDICAL ADVICE
MUSCLE · #012Research
Follistatin-344
FS-344 · ACE-083 (analog)
VLFVKGPKD+?

Myostatin inhibitor — the hypertrophy unlock

✓ AT PEAK LABREAD
⚠ RESEARCH USE ONLY · NOT MEDICAL ADVICE
LONGEVITY · #013Phase 3 Trials
SS-31
Elamipretide · MTP-131
VFLYATPKY+?

Mitochondria-targeting peptide with the most rigorous longevity data

✓ AT PEAK LABREAD
⚠ RESEARCH USE ONLY · NOT MEDICAL ADVICE
TRENDING · #014Research
Ipamorelin
LKALGVDPL+?

The Clean GH Booster

✓ AT PEAK LABREAD
⚠ RESEARCH USE ONLY · NOT MEDICAL ADVICE
TRENDING · #015Research
CJC-1295
Mod GRF 1-29 · CJC-1295 DAC
FSKEPYYPE+?

The GHRH Amplifier

✓ AT PEAK LABREAD
⚕ EDUCATIONAL · NOT MEDICAL ADVICE
COGNITIVE · #016FDA Approved
Oxytocin
OT · Love Hormone
APGADFFYA+?

The Bonding Hormone

✓ AT PEAK LABREAD
⚠ RESEARCH USE ONLY · NOT MEDICAL ADVICE
METABOLIC · #017Phase 3 Trials
Orforglipron
LY3502970 · Oral GLP-1
YLEDSPGKV+?

The Future of Weight Loss - No Injections

3 CITESREAD
⚠ RESEARCH USE ONLY · NOT MEDICAL ADVICE
MUSCLE · #018Research
IGF-1 LR3
Long Arg3 IGF-1 · Insulin-like Growth Factor-1 LR3
TDVTFASET+?

Extended-half-life IGF-1 — anabolic without GH

✓ AT PEAK LABREAD
⚠ RESEARCH USE ONLY · NOT MEDICAL ADVICE
IMMUNE · #019Research
LL-37
Cathelicidin · CAMP-derived peptide
AGPSYLLDS+?

Your body's natural antibiotic — in a vial

✓ AT PEAK LABREAD
⚠ RESEARCH USE ONLY · NOT MEDICAL ADVICE
METABOLIC · #020Research
SLU-PP-332
Exercise Mimetic · ERR Agonist
LSAFPYVPE+?

The exercise-in-a-vial compound — preclinical gold, zero human data

✓ AT PEAK LABREAD
⚠ RESEARCH USE ONLY · NOT MEDICAL ADVICE
COGNITIVE · #021Russia
Semax
ACTH 4-10
LKAEPVVGE+?

The Focus Peptide

✓ AT PEAK LABREAD
⚠ RESEARCH USE ONLY · NOT MEDICAL ADVICE
SKIN · #022Research
Melanotan II
MT-2 · MT2
FKALGVYGE+?

The Multi-Effect Tanning Peptide

✓ AT PEAK LABREAD
⚠ RESEARCH USE ONLY · NOT MEDICAL ADVICE
MUSCLE · #023Research
GHRP-2
Growth Hormone Releasing Peptide-2 · Pralmorelin
GDYGFSSFG+?

The Powerful GH Releaser

2 CITESREAD
⚠ RESEARCH USE ONLY · NOT MEDICAL ADVICE
METABOLIC · #024Research
AOD-9604
HGH Fragment 176-191 · Lipolytic Fragment
PYYGEKSLP+?

HGH fragment that targets fat — without the growth signal

✓ AT PEAK LABREAD
⚠ RESEARCH USE ONLY · NOT MEDICAL ADVICE
METABOLIC · #025Research
5-Amino-1MQ
5-amino-1-methylquinolinium · NNMT inhibitor
FKKLTDYPL+?

An NNMT inhibitor — fat loss without muscle loss

✓ AT PEAK LABREAD
⚠ RESEARCH USE ONLY · NOT MEDICAL ADVICE
COGNITIVE · #026Russia
Selank
TP-7
TDYTFSAEG+?

The Calming Nootropic

✓ AT PEAK LABREAD
⚠ RESEARCH USE ONLY · NOT MEDICAL ADVICE
MUSCLE · #027Research
GHRP-6
Growth Hormone Releasing Peptide-6 · SKF-110679
PVVTLKALP+?

The Original GHRP with Maximum Hunger

2 CITESREAD
⚠ RESEARCH USE ONLY · NOT MEDICAL ADVICE
METABOLIC · #028Phase 3 Trials
Survodutide
BI 456906 · Dual GLP-1/Glucagon
GVYPFSSLT+?

The Dual Agonist for Weight & Liver Health

2 CITESREAD
⚠ RESEARCH USE ONLY · NOT MEDICAL ADVICE
METABOLIC · #029Research
AICAR
Acadesine · AMPK activator
TYYPFSSEG+?

The other exercise mimetic — already WADA-banned

✓ AT PEAK LABREAD
⚠ RESEARCH USE ONLY · NOT MEDICAL ADVICE
LONGEVITY · #030Russia
Pinealon
Glu-Asp-Arg · EDR tripeptide
FSKFPDDTF+?

A Russian cognitive/longevity tripeptide — tiny and underrated

✓ AT PEAK LABREAD
⚕ EDUCATIONAL · NOT MEDICAL ADVICE
SEXUAL · #031FDA Approved
PT-141
Bremelanotide · Vyleesi
SGTKDLFDS+?

The Desire Peptide

✓ AT PEAK LABREAD
⚠ RESEARCH USE ONLY · NOT MEDICAL ADVICE
TRENDING · #032Research
Sermorelin
GRF 1-29 · GHRH (1-29)
GVVGLAALG+?

The Natural GH Restorer

✓ AT PEAK LABREAD
⚠ RESEARCH USE ONLY · NOT MEDICAL ADVICE
SKIN · #033Approved (Some Countries)
Melanotan I
MT-1 · Afamelanotide
VFLDSPGKY+?

The Photoprotective Tanning Peptide

3 CITESREAD
⚠ RESEARCH USE ONLY · NOT MEDICAL ADVICE
MUSCLE · #034Research
IGF-1 DES
IGF-1 DES(1-3) · Des(1-3)IGF-1
AGPKVFFVA+?

The Targeted Muscle Growth Peptide

2 CITESREAD
⚠ RESEARCH USE ONLY · NOT MEDICAL ADVICE
MUSCLE · #035Research
Hexarelin
Examorelin · HEX
GYVTFKAFP+?

The Most Potent GHRP - Requires Cycling

2 CITESREAD
⚠ RESEARCH USE ONLY · NOT MEDICAL ADVICE
IMMUNE · #036Approved (Some Countries)
Thymosin Alpha-1
Ta1 · Zadaxin
LKALPYVGL+?

The Immune Commander

✓ AT PEAK LABREAD
⚠ RESEARCH USE ONLY · NOT MEDICAL ADVICE
LONGEVITY · #037Research
Epithalon
Epitalon · Epithalone
PYDGLASEG+?

The Longevity Peptide

✓ AT PEAK LABREAD
⚠ RESEARCH USE ONLY · NOT MEDICAL ADVICE
COGNITIVE · #038Research
DSIP
Delta Sleep Inducing Peptide · Delta Sleep Peptide
EASFGYVGL+?

The Deep Sleep Peptide

✓ AT PEAK LABREAD
⚠ RESEARCH USE ONLY · NOT MEDICAL ADVICE
METABOLIC · #039Research
MOTS-c
Mitochondrial ORF of the 12S rRNA type-c
DEEVSPGSY+?

The Exercise Mimetic

✓ AT PEAK LABREAD
⚠ RESEARCH USE ONLY · NOT MEDICAL ADVICE
TRENDING · #040Approved (Russia · Europe)
Cerebroprotein Hydrolysate
Cerebrosyn · Cerebrolysin
TVYPFKKLP+?

The Neuropeptide Complex

✓ AT PEAK LABREAD
⚠ RESEARCH USE ONLY · NOT MEDICAL ADVICE
COGNITIVE · #041Research
VIP
Vasoactive Intestinal Peptide · Vasoactive Intestinal Polypeptide
KTTKVEEDA+?

The Neuroprotective Gut-Brain Peptide

✓ AT PEAK LABREAD
⚠ RESEARCH USE ONLY · NOT MEDICAL ADVICE
SEXUAL · #042Research
Kisspeptin
Kisspeptin-10 · Kisspeptin-54
TDVGFAAET+?

The Hormone Regulator

✓ AT PEAK LABREAD