Peptide Directory

Oxytocin is a naturally occurring nonapeptide hormone produced in the hypothalamus. Known as the 'love hormone' for its role in social bonding. FDA-approved for labor induction; researched for autism, anxiety, and social disorders.

Kisspeptin is a neuropeptide that plays a crucial role in reproductive hormone regulation. Acts upstream of GnRH to control the hypothalamic-pituitary-gonadal axis. Studied for fertility and puberty disorders.

Gonadorelin is a synthetic form of gonadotropin-releasing hormone (GnRH). Used diagnostically and therapeutically for fertility, hypogonadism, and to maintain testicular function during testosterone replacement therapy.

Cosyntropin is a synthetic analog of the first 24 amino acids of adrenocorticotropic hormone (ACTH 1-24). It is FDA-approved as a diagnostic agent for adrenal insufficiency testing (Cortrosyn). Also used therapeutically in certain conditions such as infantile spasms.