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The six classes of nutrients that contribute to human growth and function include proteins carbohydrates lipids vitamins minerals and water According to Thompson Manore Proteins contain carbon hydrogen and oxygen 11 Proteins also contain nitrogen and these elements work together create amino acids Amino acids are important for the human body because the play a role in building cells and protecting bone strength Thompson Manore 11 Protein is largely received from foods such as meats cheese and legumes Proteins can also be used as an energy source for the body However the majority of a human s energy is derived from carbohydrates Carbohydrates are made up of carbon hydrogen and oxygen and directly impact the brain Thompson Manore 10 Carbohydrates are found in foods such as bean dairy rice pasta and bread Lipids also known as fats is also a source of energy for the body The human body has the ability to store fat and burn it at a later time for energy Fats are also essential for the transportation of certain vitamins that are soluble only in fat into our body Thompson Manore 11 Vitamins are important for the body because they regulate task performed by the body
