Peptides for metabolic & body composition.
Peptides studied for metabolic function, fat metabolism, and body composition.
Inclusion in this category means the peptide is being researched for this purpose — not that it's proven effective. Always consult your healthcare provider.
L-Carnitine
L-Carnitine is a naturally occurring amino acid derivative synthesized from lysine and methionine, primarily in the liver and kidneys. Its primary biological ro...
Read full profileSemaglutide
Semaglutide is a GLP-1 receptor agonist approved by the FDA in multiple formulations: Ozempic (injectable, T2D), Wegovy (injectable, obesity), and Rybelsus (ora...
Read full profileTesamorelin
Tesamorelin is a synthetic analog of growth hormone-releasing hormone (GHRH) that is FDA-approved for the treatment of HIV-associated lipodystrophy (excess abdo...
Read full profileTirzepatide
Tirzepatide is a once-weekly injectable dual agonist of the glucose-dependent insulinotropic polypeptide (GIP) receptor and glucagon-like peptide-1 (GLP-1) rece...
Read full profileLiraglutide
Liraglutide is a once-daily injectable glucagon-like peptide-1 (GLP-1) receptor agonist, FDA-approved as Victoza for type 2 diabetes and as Saxenda for chronic ...
Read full profileDulaglutide
Dulaglutide is a once-weekly injectable glucagon-like peptide-1 (GLP-1) receptor agonist, FDA-approved as Trulicity for type 2 diabetes in adults in 2014 and la...
Read full profileOrforglipron
Orforglipron is an important point of clarification for this library: it is NOT a peptide. It is an orally administered, small-molecule (non-peptide) glucagon-l...
Read full profileAOD-9604
AOD-9604 is a modified fragment of human growth hormone (hGH fragment 177-191) that was developed by Metabolic Pharmaceuticals in Australia as an anti-obesity a...
Read full profileCagrilintide
Cagrilintide is a long-acting amylin analog developed by Novo Nordisk for the treatment of obesity. Amylin is a hormone co-secreted with insulin from pancreatic...
Read full profileGDF-8 / Myostatin
GDF-8, commonly known as myostatin, is an endogenous member of the TGF-beta superfamily that acts as a negative regulator of skeletal muscle growth. Rather than...
Read full profileGHRP-2
GHRP-2 is a synthetic hexapeptide that acts as a potent growth hormone secretagogue, stimulating the pituitary gland to release growth hormone. It binds to the ...
Read full profileGHRP-6
GHRP-6 is a synthetic hexapeptide and one of the earliest discovered growth hormone secretagogues. It stimulates GH release from the pituitary by activating the...
Read full profileIGF-1 LR3
IGF-1 LR3 is a synthetic, modified version of insulin-like growth factor-1 (IGF-1). The modification — substitution of arginine at position 3 and extension of t...
Read full profileLipo-C
Lipo-C is a compounded lipotropic injection containing a combination of methionine, inositol, choline (MIC), and typically vitamin B12 (cyanocobalamin or methyl...
Read full profileMazdutide
Mazdutide is a novel dual GLP-1 and glucagon receptor agonist developed by Innovent Biologics (in partnership with Eli Lilly). It is designed to combine the app...
Read full profileMOTS-c
MOTS-c is a mitochondrial-derived peptide (MDP) encoded within the 12S rRNA gene of the mitochondrial genome. Discovered in 2015 by Changhan Lee's lab at USC, i...
Read full profileNAD+
NAD+ is a critical coenzyme found in every living cell, essential for hundreds of metabolic reactions including energy production, DNA repair, and sirtuin activ...
Read full profileSurvodutide
Survodutide is an investigational dual agonist of the glucagon-like peptide-1 (GLP-1) receptor and the glucagon receptor, developed by Boehringer Ingelheim. It ...
Read full profileRetatrutide
Retatrutide is an investigational once-weekly injectable triple agonist of the glucagon-like peptide-1 (GLP-1), glucose-dependent insulinotropic polypeptide (GI...
Read full profileMK-677
MK-677 (ibutamoren, originally coded MK-0677 by Merck) is an orally active growth hormone secretagogue that mimics the gut hormone ghrelin. But MK-677 is NOT a ...
Read full profileCagriSema
CagriSema is an investigational, fixed-dose, once-weekly subcutaneous combination of two peptides developed by Novo Nordisk: cagrilintide, a long-acting analog ...
Read full profile5-Amino-1MQ
5-Amino-1MQ is a small molecule inhibitor of nicotinamide N-methyltransferase (NNMT), an enzyme involved in cellular energy metabolism. It was developed as a re...
Read full profileCJC-1295 DAC
CJC-1295 with DAC is the original formulation of CJC-1295 that includes a Drug Affinity Complex (DAC) — a maleimidopropionic acid linker that covalently binds t...
Read full profileMod GRF 1-29
CJC-1295 without DAC, also known as Modified GRF (1-29) or tesamorelin-related analog, is a synthetic analog of growth hormone-releasing hormone (GHRH) with fou...
Read full profilePEG-MGF
PEG-MGF is a PEGylated (polyethylene glycol-modified) form of mechano growth factor, a splice variant of IGF-1 (insulin-like growth factor 1) that is produced i...
Read full profileHumanin
Humanin is a 24-amino-acid mitochondrial-derived peptide (MDP), meaning it is encoded by a short open reading frame within the mitochondrial genome (the 16S rRN...
Read full profileSLU-PP-332
SLU-PP-332 is a small molecule agonist of estrogen-related receptors (ERRs), particularly ERRalpha, ERRbeta, and ERRgamma. Developed at Washington University in...
Read full profileBrenipatide
Brenipatide (development code LY3537031, also referenced in earlier materials as LY3843513) is an investigational once-monthly, long-acting dual GLP-1 / GIP rec...
Read full profileFollistatin
Follistatin (FST-344, also written FS344) is a naturally occurring secreted glycoprotein that binds and neutralizes members of the TGF-beta superfamily, most no...
Read full profileQuestions to ask your doctor about metabolic & body composition.
- 01 What peptides, if any, have evidence for my specific metabolic & body composition goals?
- 02 What lab work should I have done before and during any peptide therapy?
- 03 How would this interact with my current medications or health conditions?
- 04 What's a realistic timeline for results based on the current research?
Metabolic & Body Composition research, bias-checked.
Weekly peptide summaries — clinician-reviewed and free of hype.