HUMAN NUTRITION

Detailed explanation-1: -The USDA recommends that 45 to 65 percent of your total daily calories come from carbohydrates.

Detailed explanation-2: -Carbohydrate intake should be 55-60 percent of calories according to the American Heart Association. It’s better to eat more complex carbohydrates–vegetables, fruits and grains–than simple carbohydrates found in sugars.

Detailed explanation-3: -Each gram of carbohydrate provides 4 calories of energy. So a food that contains 15g of carbohydrate will provide your body with 60 calories from carbs.