For those who consume dairy products, milk , cheese , and yogurt are also good sources of vitamin B12
Easy measuring: At 2,500 IU/mL, 1 unit = 25 IU on a U-100 syringe, so 500 IU = 20 units (0.20 mL)
However, it remains a subject of intense investigation in cosmetic science and dermatology for potential future applications in topical formulations.
When disposing of any unused NAD+ solution or expired vials, one should follow proper medical waste protocols: do not pour it down drains or flush it
According to the NewcastleOttawa Scale (NOS) for case-control studies (n = 2) (Yamane et al., 1995
Thats why I say its intriguing. Despite such logical reservations, I asked more than a dozen people I interviewed about side effects and heard only a few anecdotes about minor issues (in one case, stomach problems caused by an athlete screwing up dosages with a mislabeled vial)