The vitamin B-complex are essential water-soluble vitamins, including vitamin B1(thiamine), vitamin B2 (riboflavin ), vitamin B3 (niacin), vitamin B5 (pantothenic acid), vitamin B6 (pyridoxine), biotin, folic acid and vitamin B12 (cobalamins). A. Vitamin B1 (Thiamine) Thiamine  and the prevention of obesity and obesity-associated metabolic disorders In the study of thiamine intervention may impact metabolic abnormalities …