5-Amino-1MQ
Small molecule (not strictly a peptide) that inhibits NNMT, an enzyme involved in fat-cell metabolism.
Weight loss & metabolic
ACE-031
A discontinued clinical-trial drug that blocks myostatin and related signals to build muscle. Trials were halted over bleeding and vascular safety concerns.
Healing & recovery
Acetic Acid Water (0.6% / 0.1-1% acetic acid)
Sterile water with a small amount of acetic acid, used to dissolve peptides that will not mix well in plain or bacteriostatic water.
Supplies & reconstitution
Adipotide
An experimental peptide that destroys blood vessels feeding fat tissue. Large weight loss in primates, but kidney toxicity concerns.
Weight loss & metabolic
AICAR
A small-molecule AMPK activator, not a peptide, that mimics some effects of exercise in animals. Banned by WADA.
Weight loss & metabolic
AOD9604
A short fragment of HGH originally promoted for fat loss without HGH's side effects. Modest evidence.
Weight loss & metabolic
ARA 290
An 11-amino-acid peptide derived from erythropoietin, studied for nerve pain and neuropathy without raising red blood cell counts.
Healing & recovery
Bacteriostatic Water (BAC water)
Sterile water with 0.9% benzyl alcohol added as a preservative: the standard liquid for mixing peptide powder.
Supplies & reconstitution
BPC-157
Synthetic 15-amino-acid fragment associated with tendon, gut and soft-tissue healing in animal studies.
Healing & recovery
BPC-157 + TB-500 blend
BPC-157 and TB-500 pre-mixed 1:1 in one vial, the classic 'Wolverine' recovery stack. Untested as a combination in people.
Blends & stacks
Cagrilintide
Long-acting amylin analogue that suppresses appetite via a different pathway than GLP-1 — often stacked with semaglutide.
Weight loss & metabolic
Cagrilintide + Semaglutide (CagriSema)
A vendor blend of cagrilintide and semaglutide at 1:1. Not the licensed Novo Nordisk CagriSema product, which is still in development.
Blends & stacks
Cerebrolysin
A mixture of small peptides and amino acids from pig brain, licensed in some countries for stroke and dementia, with mixed evidence.
Brain, sleep & mood
CJC-1295
Long-acting growth-hormone-releasing hormone analogue, almost always stacked with ipamorelin.
Growth hormone & muscle
CJC-1295 + Ipamorelin blend
CJC-1295 (no DAC) and ipamorelin pre-mixed 1:1, the standard growth hormone secretagogue stack. Untested as a combination in people.
Blends & stacks
DSIP
A peptide associated with delta-wave sleep promotion. Honest reading: evidence is mixed.
Brain, sleep & mood
Epithalon
Russian-origin tetrapeptide associated with telomerase activation and longevity claims.
Longevity & mitochondrial
GHK-Cu
Naturally occurring copper-binding tripeptide associated with skin renewal, wound healing and hair regrowth.
Longevity & mitochondrial
GHRP-2
A synthetic ghrelin-receptor agonist that triggers a strong growth hormone pulse. Raises hunger, cortisol and prolactin more than cleaner options.
Growth hormone & muscle
GHRP-6
The original synthetic GH-releasing hexapeptide. It reliably releases GH, and it also causes strong, fast-onset hunger.
Growth hormone & muscle
GLOW
A vendor-made blend of GHK-Cu, BPC-157 and TB-500 in one vial, sold for skin, hair and tissue repair.
Longevity & mitochondrial
Glutathione
A tripeptide antioxidant your body makes itself, sold for skin lightening and detox. Injectable use carries real concerns.
Longevity & mitochondrial
Gonadorelin
A synthetic copy of GnRH, the brain signal that tells the pituitary to release LH and FSH. Pulsatile dosing matters.
Libido, tanning & hormones
HCG
A prescription hormone protein that mimics LH, used in fertility treatment and as a testicle-preserving add-on to TRT.
Libido, tanning & hormones
Hexarelin
Strongest GHRP for GH release — also the dirtiest, with notable cortisol and prolactin effects.
Growth hormone & muscle
HGH (Human Growth Hormone)
Recombinant human growth hormone — direct GH rather than a peptide that asks your body to make more.
Growth hormone & muscle
HMG
A prescription fertility medicine with both FSH and LH activity, extracted from the urine of post-menopausal women.
Libido, tanning & hormones
IGF-1 LR3
A modified, longer-acting version of IGF-1 — the downstream effector of growth hormone.
Growth hormone & muscle
Ipamorelin
Selective growth hormone releasing peptide (GHRP). The clean, low-side-effect option in the GHRP family.
Growth hormone & muscle
Kisspeptin-10
A peptide at the top of the reproductive hormone cascade. Stimulates GnRH, then LH, then testosterone.
Libido, tanning & hormones
KLOW
A vendor-made blend of GHK-Cu, BPC-157, TB-500 and KPV in one vial. Untested as a combination in people.
Blends & stacks
KPV
Three-amino-acid anti-inflammatory peptide. Particularly studied in inflammatory bowel disease.
Healing & recovery
L-Carnitine
An amino-acid-derived compound that moves fats into your cells' energy centres. Popular for fat loss, with underwhelming evidence.
Weight loss & metabolic
Lemon Bottle
An unlicensed 'fat-dissolving' injectable or skin solution, contents vary by seller. Not a peptide, and carries real risk of tissue damage.
Cosmetic & body contouring
Lipo-C
A compounded lipotropic injection (usually methionine, inositol and choline, often with B12 or L-carnitine). Not a peptide, and the evidence for fat loss is weak.
Weight loss & metabolic
LL-37
Natural human antimicrobial peptide with broad antibacterial, antiviral and antifungal activity.
Immune
Mazdutide
GLP-1 + glucagon dual agonist developed by Innovent/Lilly, especially studied in Chinese populations.
Weight loss & metabolic
Melanotan I
The more selective melanotan. The licensed version, afamelanotide (Scenesse), is used for a rare light-sensitivity disease. Grey-market versions are unlicensed.
Libido, tanning & hormones
Melanotan II
Synthetic melanocyte-stimulating hormone analogue used for tanning and as a libido enhancer.
Libido, tanning & hormones
Melatonin
The body's own sleep-timing hormone, available as an injectable vial. It is a hormone, not a peptide.
Brain, sleep & mood
MOTS-c
A peptide encoded in mitochondrial DNA — exercise-mimetic effects on metabolism in animal models.
Longevity & mitochondrial
NAD+
A coenzyme central to energy metabolism, declining with age. Injection or IV is one delivery route; precursor pills (NMN/NR) are another.
Weight loss & metabolic
Oxytocin
A 9-amino-acid hormone licensed for labour and breastfeeding, with a lot of interest but no approval for mood or social use.
Libido, tanning & hormones
PEG-MGF
Long-acting version of MGF (a splice variant of IGF-1 activated by muscle damage).
Growth hormone & muscle
PT-141
Melanocortin receptor agonist approved in the US for female low-desire disorder. Used by both sexes for libido.
Libido, tanning & hormones
Retatrutide
Triple receptor agonist (GLP-1 + GIP + glucagon) producing the largest weight loss results yet seen in trials.
Weight loss & metabolic
Selank
Russian anxiolytic peptide. Mild calming effect without sedation; complements semax.
Brain, sleep & mood
Semaglutide
The original "big" GLP-1 agonist. Approved for diabetes (Ozempic), obesity (Wegovy), and as an oral tablet (Rybelsus).
Weight loss & metabolic
Semax
Russian nootropic peptide derived from ACTH. Used clinically there for stroke and ADHD; here for focus and cognition.
Brain, sleep & mood
Sermorelin
Short-acting GHRH analogue, the gentlest GH-promoting peptide. Often the first one age-related clinics prescribe.
Growth hormone & muscle
SLU-PP-332
A small-molecule 'exercise mimetic' that activates ERR receptors. Mouse data only, no human trials, and not a peptide.
Weight loss & metabolic
Snap-8
Cosmetic eight-amino-acid peptide used topically in anti-wrinkle products. Not intended for injection.
Cosmetic & body contouring
SS-31
Mitochondria-targeted peptide that protects inner membrane cardiolipin. In trials for genetic mitochondrial diseases.
Longevity & mitochondrial
Survodutide
GLP-1 + glucagon dual agonist from Boehringer Ingelheim, with strong liver fat data.
Weight loss & metabolic
TB-500
Synthetic version of an active region of Thymosin Beta-4, used for systemic soft-tissue recovery.
Healing & recovery
Tesamorelin
GHRH analogue uniquely studied and approved for visceral fat reduction.
Growth hormone & muscle
Thymalin
A Russian thymus-derived peptide preparation used in Russia for immune support. Most of the evidence is from Russian groups and has not been widely replicated.
Immune
Thymosin Alpha-1
Immune-modulating peptide from the thymus gland. Approved as a medicine in many countries for hepatitis B and other infections.
Immune
Tirzepatide
Dual GLP-1 + GIP agonist, marketed as Mounjaro for diabetes and Zepbound for obesity. Best-validated GLP-1 class drug for weight loss.
Weight loss & metabolic
VIP
A natural 28-amino-acid hormone that relaxes blood vessels and calms inflammation. Nasal use is popular in the CIRS community, with limited trial evidence.
Immune
Vitamin B12
An essential vitamin, injected to treat deficiency. Helps a lot if you are low; does very little if you are not.
Weight loss & metabolic