Benfotiamine is a derivative of Thiamine (Vitamin B1). It’s also naturally found in a variety of foods including legumes, nuts & seeds, wheat germ and grains including like bread, rice and flour.. Benfotiamine is a more bioavailable form of this Vitamin that is often taken through means of a supplement. If you’re deficient in B Vitamins there are various options like capsules, softgels, liquid and powder to add as a supplement to your diet