melanocortin based peptide pt141. PT-141 10MG PT-141 (acetate) (Bremelanotide Acetate, CAS

When administered, Melanotan II stimulates melanocortin receptorsparticularly MC1R which then trigger melanin production in the skin

References Bolognia J, Schaffer JV, Cerroni L

PT-141 encourages the body to release more of it, which helps relax the penile muscles and improves blood flow, supporting the ability to achieve an erection

There is also an embryo-exposure concern, so the approved product is used with attention to pregnancy avoidance during therapy

Decker Weiss, NMD, FASA

PT-141 is non-selective to a degree but suggests stronger activation of MC3R and MC4R, which are heavily expressed in the central nervous system (CNS) and have roles in neural regulation of caloric intake, energy expenditure, mating behavior, and autonomic control