10 Vitamin D–Rich Foods to Add to Your Diet Suffering from vitamin D deficiency? Add these 10 foods to your diet. There are eight B vitamins: B1 (thiamin), B2 (riboflavin), B3 (niacin), B5 ...
Many vitamins are produced in chemical factories, often synthetically, but researchers have succeeded in developing a natural and simple method for producing vitamin B2: by gently heating lactic acid ...