Much of the human data is therefore older, and the compound never accumulated the kind of modern, well-controlled trials that would settle the question
NAD+ is naturally occurring in the body, and when administered by a healthcare practitioner, it is generally very safe
"Cyanocobalamin reductase / alkylcobalamin dealkylase (MMACHC, Human)"
Common Side Effects Mild pain or redness at the injection site Temporary dizziness Serious Side Effects Allergic reaction (rare) Swelling or breathing difficulty Serious reactions are uncommon, but you should seek medical help if symptoms worsen
Immunosuppressive drugs increase the risk of illness and infection
Vitamin B12 is a water-soluble vitamin and is essential for the proper function of the brain, nervous system, and the formation of red blood cells