Direct NAD+ research largely remains preclinical
Not too long after I turned 60 I noticed I was starting to feel weak and tired, had a hard time sleeping, had headaches all the time, low appetite (which is unusual for me as Ive always had a strong appetite), have heart palpitations, felt light-headed at times, and just seem to have lost my zest to go out and do things
Thats why vitamin shots, especially vitamin B12 injections, have become so popular in wellness clinics
your body will use only the amount it needs and then eliminate whatever is left
[20] It can also be injected intravenously for the purpose of treating cyanide poisoning, as the hydroxyl group is displaced by cyanide, creating a non-toxic cyanocobalamin that is excreted in urine
Gastrointestinal absorption of vitamin B 12depends on the presence of sufficient intrinsic factor and calcium ions