... tablets(800mg) 1.38mg vitamin b1, 1.23mg vitamin b2, 0.94mg vitamin b6, 2.51mcg vitamin b12, GMP certificate Natural Vitamin B Function:1.Be ... and nails,4.Energy production. Product name Natural Vitamin BIngredient Vitamin B1,Vitamin B2, Vitamin B3, Vitamin B6, Vitamin B12, Folic acid, Caldium pantothenate, Sugar, Glucose,Maltodetrin ...