Vitamin B6 is very helpful to the bodybuilder. It converts into an enzyme which in turn helps the body utilize valuable amino acids and make use of glycogen. Vitamin B6 may even increase growth hormone output associated with intense training.

Sources of Vitamin B6

Fish
Red Meat
Whole Eggs

Recommended Intake for a Bodybuilder

10 mg of vitamin B6, combined with a small carbohydrate snack immediately pre-workout.