Your diet provides for atp production, as raw materials to build your own molecules, and nutrients -- substances you require but cannot make yourself. the must be obtained from your diet, either by eating meat, eggs, or milk, or by consuming a variety of plant proteins. one of the is needed to make membranes phospholipids. organic nutrients called are required in very mall amounts. many of the function as coenzymes; is required for the porduction of connective issue; and are fat-soluble. inorganic nutrients called function in various roles such as bone formation, nerve and muscle function, and enzyme cofactors.