Vitamin and Names Vitamin A - Retinol Vitamin B 1- Thayamin Vitamin B 2 - Riboflavin Vitamin B 5 - Niyacin Vitamin B 6 - Peridoxin Vitamin B 7- Biotin Vitamin B12 - Sinocobalamin Vitamin C - Ascorbic Acid Vitamin D - Calciferol Vitamin E - Tocoferol Vitamin K - pillowquin