People require essential nutrients of five classes: proteins, fats , carbohydrates, vitamins and minerals . The water is the sixth essential nutrient. The essential amino acids ( proteins ) are required for the construction of cells, especially muscle. The essential fatty acids necessary for brain and cell wall construction. Vitamins and minerals are essential for many functions.For Additional hints Visit to Kostvejlederuddannelse online
Any diet that fails to meet minimum nutritional requirements can threaten general health (and fitness in particular). If a person is not active enough, it is unlikely to lose weight and have a good quality of life but to diet. The National Academy of Sciences and the World Health Organization published guidelines for the minimum intake of all essential nutrients.
Some dieters eat excessive amounts of supplements, vitamins and minerals. Although this usually does not hurt, some nutrients can be dangerous. Men (and women without menstruation) need to be careful about poisoning iron . The retinol (vitamin A) is toxic in high doses. As a general rule, most people can get the vitamins and minerals from food (with specific exceptions, such as vegetarians often need a supplement of vitamin B-12). In any case, a multivitamin taken once a day is usually sufficient for most of the population.
Correct a diet balanced diet is normal, only to decrease the amount needed and perhaps make some substitutions (eg low fat milk). Extreme diets may lead to malnutrition, and are less effective in weight loss long term.
How the body gets rid of fat?
All body processes require energy to run properly. When the body is expending more energy than entering (ie, when you exercise), the cells make use of stored energy sources within, such as carbohydrates and fats complex. The first source used by the body is glycogen, a complex carbohydrate. When that source is nearly depleted, the body begins lipolysis , the metabolism of conversion of fat into energy, in this process, the fat from fat cells, breaks down into glycerol and fatty acids that can be used to produce energy. The main products of metabolism are carbon dioxide and water, CO2 being expelled through the respiratory system.