Vitamin B1: Required for carbohydrate and energy metabolism
Vitamin B2: Required for energy production in the body
Niacin: Required for energy production in the body
Pantothenic acid: Required for fat, carbohydrate, 
and protein metabolism and energy production
Vitamin B6: Required for protein and amino acid utilization, required for 
maintaining normal homocysteine ​​levels in the blood
Biotin: Required for fat, carbohydrate, and protein metabolism and energy production
Folic acid: Required for cell and blood production, required for
 normal development of the fetal neural tube, required for maintaining 
normal homocysteine ​​levels in the blood
Vitamin B12: Required for normal folic acid metabolism
Vitamin C: Required for the formation and maintenance of connective tissue function, 
required for iron absorption, required for protecting cells from harmful oxygen