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Possible Long-Term Considerations Some early studies suggest that prolonged or repeated use may cause desensitization of the melanocortin system
It gains an electron and this reaction is catalysed by CYP-450 reductase and functions with a co-enzyme that is nicotinamide adenine dinucleotide phosphate hydrogenase (NADPH) shifts an electron from co-enzyme to iron (CYP-P450)
Peer review Peer review information Nature Reviews Endocrinology thanks Noel Morgan
Sahoo NG, Rana S, Cho JW, Li L, Chan SH
doi:10.1111/obr.12474 172
Progressive sight loss requires specialist assessment Experimental peptide claims should not delay review by an ophthalmologist or access to established genetic, retinal and low-vision services
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