During IV infusion therapy, you can expect to have a tiny needle put into a vein, usually your arm, which is connected to a tube that delivers fluids, vitamins, and other nutrients directly into your bloodstream
10.1016/j.ceb.2015.02.003 89 ShuklaP
When you dont have enough NAD+, your brain is unable to convert sufficient amounts of glucose into energy, which leaves your brain cells supply of cellular energy depleted
Symptoms include: Tingling or numbness in the extremities Difficulty walking, loss of balance, and falling Brain fog Swollen tongue Tiredness Weakness A lack of vitamin B12 can also lead to anemia, according to Johns Hopkins Medicine, because a lack of the nutrient impairs your bodys ability to make red blood cells
Only use IM if you have specific reason or preference