Also keep in mind that as work intensity increases protein needs may also increase. Remember most animal proteins are high in fat. Animal proteins have a high percentage of fat attached to them and are for the most part saturated. Saturated fats such as butter, lard, and meat fats have been shown to contribute to heart disease and some types of cancer. Fat is an essential part of our nerves, spiral cord, brain, and cell membranes.
Internal fat helps protect vital organs and external fat provides insulation.
Women typically have higher body fat percentages to help nourish infants in the event of pregnancy. It is important to understand that body fat is partially determined by genetic factors and will vary from person to person. Vitamins vitamins are organic substances which regulate the metabolic process of the body. They include A, B, C complex, D, E and K. Most vitamins must be obtained from food because the body does not manufacture them. Minerals Minerals are inorganic substances that combine to form structures of the body and help regulate body processes.