Hair follicles operate on 812 week growth cycles, so follicles stimulated during week 4 of treatment wont produce visible length until week 1216
Whether this results from the B12 component, the glycine component (which has its own anti-inflammatory properties), or a placebo effect is difficult to determine without controlled trials
It is common, but insignificant, to get a metallic/multivitamin taste in your mouth due to the B vitamins, and glutathione drips may cause your urine to have a sulfurous (rotten eggs) smell
As mentioned above, follow-up visits for the administration of vitamin B12 injections are generally necessary
Therefore, if your main goal is achieving brighter, more even skin, Glutathione IV is the better option, while NAD
In 2014, David Allison noticed something wonky with a paper in the journal Childhood Obesity