Peptides for hormone optimization.
Growth hormone secretagogues and peptides studied for hormonal balance and optimization.
Inclusion in this category means the peptide is being researched for this purpose — not that it's proven effective. Always consult your healthcare provider.
HCG
Human chorionic gonadotropin (HCG) is a glycoprotein hormone naturally produced by the placenta during pregnancy. Structurally, it shares a common alpha subunit...
Read full profileHMG
Human menopausal gonadotropin (HMG) is a purified preparation containing both follicle-stimulating hormone (FSH) and luteinizing hormone (LH) activity, original...
Read full profileOxytocin
Oxytocin is a nine-amino-acid neuropeptide produced in the hypothalamus and released by the posterior pituitary gland. Often called the 'bonding hormone,' it pl...
Read full profilePT-141 / Bremelanotide
Bremelanotide (brand name Vyleesi) is a melanocortin receptor agonist FDA-approved in June 2019 for the treatment of hypoactive sexual desire disorder (HSDD) in...
Read full profileSermorelin
Sermorelin is a synthetic peptide consisting of the first 29 amino acids of the 44-amino-acid growth hormone-releasing hormone (GHRH). It was FDA-approved in 19...
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 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 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 profileIpamorelin
Ipamorelin is a synthetic pentapeptide growth hormone secretagogue that selectively stimulates GH release from the pituitary gland. It is considered the most se...
Read full profileKisspeptin-10
Kisspeptin-10 is the biologically active decapeptide fragment of the kisspeptin family, which are endogenous neuropeptides encoded by the KISS1 gene. Kisspeptin...
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 profileDSIP
DSIP (Delta Sleep-Inducing Peptide) is a naturally occurring nonapeptide (Trp-Ala-Gly-Gly-Asp-Ala-Ser-Gly-Glu) first isolated from rabbit brain in 1977. It was ...
Read full profileTestagen
Testagen is a synthetic tetrapeptide bioregulator (Lys-Glu-Asp-Gly) developed by Russian researcher Vladimir Khavinson, purported to act on gonadal tissue and s...
Read full profileQuestions to ask your doctor about hormone optimization.
- 01 What peptides, if any, have evidence for my specific hormone optimization 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?
Hormone Optimization research, bias-checked.
Weekly peptide summaries — clinician-reviewed and free of hype.