IV NAD+ commonly produces noticeable acute effects within 24-48 hours
The therapy is completely natural and does not cause any allergies or side effects
(3) D Schneider-Helmert, F Gnirss, M Monnier, J Schenker, and G A Schoenenberger (1981) Acute and delayed effects of DSIP (delta sleep-inducing peptide) on human sleep behavior International Journal of Clinical Pharmacology, Therapy & Toxicology, 1981 Aug, Volume 19 (Issue 8), Pages 341-5
Rubenstein E, Tewolde S, Michals A, et al
There are signs of infection in or near the bruise (increasing redness, warmth, pus, fever)
It may be trendy to inject NAD+ to try to live longer, but even though theres not much research on humans for that, there is some evidence that taking nicotinamide riboside - a type of niacin - may help raise glutathione if your levels are low due to age