Rhonda Patrick· PhD
nad has a very important role in energy metabolism nad can be synthesized in the body from a variety of dietary sources including the amino acid tryptophan which is in tons of healthy foods like salmon spinach and nuts and the three forms of niacin which is vitamin b3 also found in foods like lean meats legumes veggies these three forms of vitamin b3 include nicotinamide also called niacin amide nicotinic acid and nicotinamide right beside