For example, some ingredients may be safe in products such as cleansers that we wash off the skin immediately, but not in products that we leave on the skin for hours. Similarly, ingredients that are safe for use on the hair or nails may be unsafe when used on the skin or near the eyes.
Carbohydrates are the main energy source for the brain. Without carbohydrates, the body could not function properly. Sources include fruits, breads and grains, starchy vegetables and sugars. Make at least half of the grains you consume whole grains.
Carefully planned nutrition must provide an energy balance and a nutrient balance. The nutrients are: 1  Proteins-essential to growth and repair of muscle and other body tissues. 2  Fats-one source of energy and important in relation to fat soluble vitamins.3  Carbohydrates-our main source of energy.4  Minerals-those inorganic elements occurring in the body and which are critical to its normal functions.he nutrients are: 1  Proteins-essential to growth and repair of muscle and other body tissues. 2  Fats-one source of energy and important in relation to fat soluble vitamins. 3  Carbohydrates-our main source of energy. 4  Minerals-those inorganic elements occurring in the body and which are critical to its normal functions.