It helps to breakdown fats and proteins, which helps in normal functioning of the nervous system, good for everyone with stress. A particular potential benefit of vitamin B supplements for diabetics is mainly its ability to lower blood levels of homocysteine (a suphur-containing amino acid). Vitamin B complex is used by the body to convert carbohydrates into glucose, which is then converted by the cells into energy, in other words metabolism.
safe to take because the body uses what it needs and excretes anything that is left over.
I take Spring Valley High Potency B-complex purchased at Walmart