110 JonesE
Some people notice mild soreness at the injection site, which typically resolves within a day
While you could technically take a supplement containing NAD+ as the primary ingredient, research suggests that its bioavailability isnt nearly as good as two of its precursors: nicotinamide riboside (NR) and nicotinamide mononucleotide (NMN).46 Besides NAD+, NR is also a precursor to NMN.47 And since NMN is closer to becoming NAD+ than NR is, some people feel that its the better option, but either one should be effective.48 If youre interested in these supplements, it could be worth trying one of each type (NR or NMN) to see which works better for you
Other ingredients listed on the label are vegetable cellulose for the capsule shell, microcrystalline cellulose, stearic acid, and silica
Control mice received vehicle (2.5% DMSO/12.5% PEG300) only
Its always better to use devices that are FDA cleared, says Jessica Weiser, a board-certified dermatologist and founder of Weiser Skin MD
