Some side effects like alteration of the CNS, peripheral vascular tone, and cardiac function might occur
Vitamin B12 is also known for boosting metabolism, which can aid in weight loss
but some of the worse skin I have seen is when I have seen people take advice from something they have seen on IG, and just gone and spent a load of money on expensive products willy-nilly, without any advice - or they use too much and it makes their skin worse
Still tight but more workable
It was originally isolated from human gastric juice, where it appears to play protective roles for the digestive tract
Some advanced users do split the dose (morning and evening) if taking higher amounts, but for most, a single daily dose is sufficient due to the relatively long half-life of NAD+ in cells