Have a tip for The Investigative Unit
Hruby and Mac Hadley (University of Arizona, USA) in 19871989 Original development program Competitive Technologies Palatin Technologies , later spun off into PT-141 (bremelanotide) Target: non-selective agonist of MC1R, MC3R, MC4R, MC5R (more potent than -MSH, longer half-life) Standard experimental dose in human tanning studies: 0.025 mg/kg subcutaneously (Dorr 1996) In Dorr 1996 (n=10): increase in skin melanin density measured by colorimetry by ~25 % after a 10-day course Main adverse effects in the preclinical literature: nausea, flushing, hyperpigmentation (including atypical nevi), priapism Approximately 100+ publications in PubMed
These transformations are generally associated with reduced bioactivity and lower plasma concentrations (Najmanov et al., 2020)
Full text: Sinha R, Sinha I, Calcagnotto A, et al
This does not mean anxiety cannot occur
For individuals looking to optimize body composition, the focus should remain on evidence-based strategies like proper training, nutrition, and recovery, according to experts