Nutrition Article Database: In the last few decades there have been a considerable changes in the way bodybuilders eat. Research on nutrition shows that the consumption of protein, amino acids, minerals, and vitamins is steadily climbing, while athletes consume smaller amounts of carbohydrates and fats. These articles below explains the general differences in diet between bodybuilders, powerlifters, athletes and others, and also describes the type of diet suitable for regular training and intense competitive training.