Complex vitamin b1 b2 b6 b12 tablets, Vb1 0.94mg,Vb2 1. ... 0.94mg,Vb12 2.51mcg GMP certificate, competitive price Natural Vitamin B Function:1.Be good for the nervous system,2 ... 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 ...