Hepatocyte vitamin D receptor regulates lipid metabolism and mediates experimental diet induced steatosis Journal of Hepatology Melanotan II Erectile Dysfunction Studies: What Early Research Shows and Practical Realities Patient One MediNutritionals V TrustScore 8.6 10 SuppCo Your body already makes a hormone that tells your skin to tan. Melanotan 2 is a synthetic peptide engineered to mimic that hormone but in a version that's more potent and Melanotan Tanning Peptides: Safe Use, Side Effects & How It Works Scientifically