Your pre-workout meal is just as important as your post-workout meal. You need to make sure you fuel your body before your workouts. Training fasted is not optimal for muscle gains. Without adequate fuel your workouts will not be as productive or intense as they should be.
Definition of vitamin for English Language Learners. : 1  a natural substance that is usually found in foods and that helps your body to be healthy. : 2  a pill containing vitamins.
Vitamins are either fat soluble or water soluble. The fat-soluble vitamins, which include A, D, E, and K, are absorbed by the body using processes that closely parallel the absorption of fat. They are stored in the liver and used up by the body very slowly.