Nutrition can account for upwards of 80% of a player's training results, meaning to maximize your workout gains - you need to eat well. General Guidelines for Basketball Players
Eat something every 2-3 hours, regardless of hunger levels.
Get lean protein at every meal and eat vegetables as often as possible.
Breakfast and pre/post workout (or game) meals are the most important meals.
Drink water steadily throughout the day.
Avoid Trans fats and high fructose com syrup.
Plan your day: pack snacks, wake up early enough to eat a quality breakfast, etc.
Eat a diet with sufficient complex carbohydrates to provide the energy to fuel your intense training, practices, and games.