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Dosing protocols vary by specific NAD+ precursor used, typically ranging from 250-500mg daily for oral forms or 100-200mg for injectable versions

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And of course, in thinking about pleasure, we have to think about the dopamine system and the serotonin system, and some of the related chemical systems

10.1161/CIRCULATIONAHA.105.572396 [DOI] [PubMed] [Google Scholar] Government of the UK, Expert Group on Vitamins and Minerals (2003)