Melanotan II Listeni/mlæntæn/ developed at the University of Arizona
is a synthetic analog of the naturally occurring Melanocortin peptide hormone alpha-melanocyte stimulating hormone(α-MSH)
that in usage has been shown to have melanogenesis(tanning) and aphrodisiac effects in preliminary studies and clinical trials.
Bardet-Biedl syndrome MOMO syndrome Leptin
receptor mutations Congenital leptin deficiency Melanocortin receptor mutations In children with early-onset severe
obesity(defined by an onset before ten years of age and body mass index over three standard deviations above normal), 7% harbor a single locus mutation.