Been taking NMN for about 10 months, ive attached a before and after photo, i think my skin is absolutely glowing now so i'd say it does what it claims, started off feeling more energetic week 1 and 2, was skeptical but felt drained, had dull skin, no energy, brain fog constantly, glad i kept using NMN its definitely worth the money, i did try a different brand but that brand did absolutely nothing at all. I seen mixed feedback on NMN and people laughing at posts on Facebook but i tried it anywa...