what is nutritional supplements

Definition
Dietary supplements include vitamins, minerals, herbs, meal supplements what is nutritional supplements, sports nutrition products, natural food supplements and other related products used to boost the nutritional content of food.
Reason
Dietary supplements are used for many purposes. Can be added to food to improve overall health and energy, to provide support to the immune system what is nutritional supplements and reduce the risk of diseases and conditions associated with aging what is nutritional supplement, improve athletic performance and mental activities, and support the recovery process sickness and disease. However, most of these food products are considered and are not regulated as drugs.
Description
The Natural Nutritional Foods Association estimated that in 2003, nutritional supplements are high in a market of $ 19.8 billion in the United States what is nutritional supplements. By category, vitamins provide dollars 6600000000 sales of $ 4.2 billion herbs, food supplements than $ 2.5 billion, sports nutrition products $ 2.0 billion, minerals 1 8 billion what is nutritional supplements, and specialty and other products for a total of 2.7 billion. The nutritional supplement industry provides a wide range of products for consumer needs.
Vitamins
Vitamins and Micronutrients are what is nutritional supplements substances that the body uses in small amounts compared to macronutrients are proteins, fats and carbohydrates that make all foods. Vitamins are present in food, but the right amount of vitamins can be reduced when food is cooked, processed or stored incorrectly. For example what is nutritional supplements, the treatment of whole grain wheat white flour reduces levels of vitamins B and E, fiber and minerals, including zinc and iron. The body needs vitamins to what is nutritional supplements support their basic biochemical functions, and deficiencies in time can lead to disease.
Vitamins are water soluble or soluble what is nutritional supplements. Water soluble vitamins are dissolved in water and pass rapidly through the body, which means that it takes the body on a regular basis. Water-soluble vitamins are the B vitamins and vitamin C what is nutritional supplements. Fat-soluble vitamins are stored in the fatty tissue what is nutritional supplements of the body, which means that they remain in the body longer. Fat soluble vitamins are vitamins A, D, E and K.
The amount of vitamins needed by the body has been the subject of much research. The U.S.. government has published recommended dietary allowances (RDA) for each vitamin for the general population. These data can be used as guidelines what is nutritional supplements, but individuals may have different needs based on what is nutritional supplements gender, age and health status.
Vitamins can be natural or synthetic. Natural vitamins are extracted from food sources, while synthetic vitamins are made in laboratory processes what is nutritional supplements. The only vitamin for which there is a difference found between the natural and synthetic forms of vitamin E. The natural form is labeled d-alpha-trooper whereas the synthetic form is called dl-alpha-trooper, with the "l", Fie additional production laboratory what is nutritional supplements. Natural vitamin E has been shown to be slightly more  absorbable by the body than the synthetic version, although for other vitamins was no significant difference in absorption.
Minerals
Minerals are micronutrients are essential for the proper functioning of the body. The cells in the body require minerals as part of their basic pay and chemical what is nutritional supplements composition and minerals are present in all foods. Minerals can be either bulk minerals used by the body in larger amounts or trace elements used by the body in small amounts or traces what is nutritional supplements. Bulk minerals include phosphorus, sodium, potassium, calcium, and magnesium. Trace elements include iron, zinc, selenium, iodine, chromium, copper, manganese, and others. Some studies have shown that the amount of minerals what is nutritional supplements, especially trace minerals, can be reduced in foods due to depletion of soil minerals caused by unsustainable agricultural practices and soil erosion. Additional minerals are available in the form of chelated are bound to the proteins to improve their absorption by the body what is nutritional supplements.
Herbs
Herbal supplements are added to both nutritional and medicinal foods. Herbs have been used for centuries in many traditional systems of medicine and as a source of photochemical or substances found in plants that have significant effects on the body what is nutritional supplements. Chinese medicine and Indian Curved medicine two oldest healing systems in the world, with hundreds of medicinal plants. Naturopathy and Homeopathy, two other what is nutritional supplements natural healing systems, also based on herbal preparations as their primary sources of drugs. The medicinal effects of herbs become scientific validation, about a quarter of all pharmaceutical products are derived directly what is nutritional supplements from plant sources, such as aspirin (found in willow bark), codeine (from seeds Poppy), palpitate (Tao), a patented drug for ovarian cancer and breast (Pacific yew), and many others.
Herbs can supplement the diet to help the general health or to promote healing in specific conditions. For example what is nutritional supplements, ginseng is used as a general tonic to improve overall health and vitality, while Echinacea is a popular herb that is used to stimulate the body's resistance to colds and infections. Herbs come in many forms. Can be acquired as capsules and tablets, as well as teas, tinctures, syrups and ointments what is nutritional supplements.
food supplements
food supplements are used to replace or augment the food. They can be designed for people with special needs, or those who suffer from diseases that can affect the ability of digestion and nutritional needs. food supplements may contain specific mixtures of what is nutritional supplements macronutrients, or proteins, carbohydrates, fat and fiber. Some meals consist of supplements, raw foods, raw, vegetarian or vegan or protein, or high and composition what is nutritional supplements dishes low in fat. food supplements are available to support some popular diet programs. food supplements are often fortified with vitamins, minerals, herbs and nutrient dense foods.
Sports Nutrition
Nutritional supplements can be designed to provide specialized support for athletes. Some of them are made from protein-rich products, such as amino acid supplements, while other products contain nutrients that support metabolism, energy what is nutritional supplements and sports performance and recovery. People involved in intense physical activity may have increased water-soluble vitamins, antioxidants needs, and some minerals, including chromium. Sports drinks contain electrolytes mixtures (salt) that the body loses during exercise and sweating, as well as vitamins, minerals and herbs to support performance.
Other nutritional supplements
Other supplements include nutrient-rich foods. Examples are yeast, sirloin (seaweed), bee pollen and royal jelly, fish oil and essential fatty acid supplements, Colosseum (a dairy product specialty), slim seed balls (a source of fiber), wheat germ what is nutritional supplements, wheat grass beer and medicinal mushrooms such as Shiite and relish varieties.
Specialty products may offer special health benefits or are subject to special conditions. These products may include whole foods or what is nutritional supplements may be isolated from natural sources or synthetic compounds. Examples include antioxidants, probiotics (supplements containing bacteria in the digestive tract), digestive enzymes, shark cartilage and other animal products what is nutritional supplements, or chemical extracts as the hormone DEA (dehydrogenated) and coenzyme Q1, an antioxidant.
General Guidelines
Considering the average food requirements and the prevalence of certain health problems, some basic rules can be the basis for the effective use of nutritional supplements. First, a quality, a multivitamin broad spectrum and high what is nutritional supplements mineral supplement, taken once a day, it is recommended to provide a range of nutrients. This document should contain B vitamins B, B and folic acid complexes, which may help prevent heart disease and the minerals zinc and copper, which help immunity. In addition to a multivitamin, antioxidants can be added to a routine supplementation. These include Vitamin A (or beta-carotene), vitamin C and vitamin E and selenium. Antioxidants can have several positive effects on the body what is nutritional supplements, such as the slowing of the aging process, reducing the risk of cancer and heart disease, and reduce the risk of disease infection and immune system support. Coenzyme Q1 is an antioxidant widely used, as studies have what is nutritional supplements shown it can improve heart health and reduce the effects of heart disease. Also recommended are essential fatty acids, especially omega-3 fatty acids, as they are involved in many important processes in the body, including brain function what is nutritional supplements. Calcium supplements are recommended for older people and women, to strengthen bones and prevent bone loss. Calcium supplements that are balanced with magnesium have a less constipation and are better absorbed.
After basic nutritional needs are met, supplements can be used to address specific needs and health conditions. For example, athletes, men, women, children what is nutritional supplements, elderly, and vegetarians have different nutritional needs, and the informed use of supplements take into account these differences. People with health problems and diseases specific supplements can be used to guide their condition and support the body's healing what is nutritional supplements capacity, providing an optimum amount of nutrients.
The recommended dose
Nutritional supplements doses vary greatly depending on the product and individual needs. For vitamins and minerals are essential U.S.. RDA. For other products what is nutritional supplements, guides, sources of consumer information, such as nutrition books and magazines, manufacturers and professionals, including nutritionists and naturopath are available.
Precautions
In general the diet is a major factor for those considering nutritional supplementation. Healthy eating habits can help optimize nutrition and absorption and nutritional supplements can not replace a diet that is not nutritionally balanced first. The supplements are best used in moderation to provide additional nutritional needs. sound systems contain a variety of healthy foods. At least five servings a day of fruits and vegetables are recommended what is nutritional supplements, and the inclusion of whole grains in the diet. Variety in the diet is important to provide a full range of vitamins and minerals. Overeating inhibits digestion and what is nutritional supplements absorption of nutrients, while regular exercise contributes to healthy nutrition, improve metabolism and digestion. Plenty of water prevents dehydration, improves digestion and helps the body to remove impurities.
In general, the nutrients of food sources more effectively what is nutritional supplements used by the body that the individual substances. For instance, fresh fruit and vegetable juice may be used to provide concentrated amounts of specific nutrients what is nutritional supplements, such as vitamins A and C in the diet. As another example, eat plenty of green leafy vegetables is a healthy choice for those wishing to add calcium to the diet.
Vitamins and minerals are easier to digest food what is nutritional supplements. Fat-soluble vitamins should be taken with food that contains fat. Vitamins tend to work synergistically, namely that work together to be effective. For example what is nutritional supplements, vitamin E requires some B vitamins and minerals selenium and zinc for more efficient absorption. Some minerals can not be absorbed or may inhibit the other when taken in inappropriate relationships. Overall, a quality, broad spectrum vitamin and mineral what is nutritional supplements high additional formulated to avoid adverse interactions.
Vitamin A can be toxic when taken in large quantities (more than 100,000 international units) on a daily basis over time, like vitamin D Substituting the beta-carotene into vitamin A may reduce this risk. Very high doses of minerals what is nutritional supplements taken for long periods of time can cause toxic effects in the body. Not recommended doses much higher than the recommended daily dose of vitamins or other supplements large doses.
Consumers can make informed decisions for nutritional supplementation, in consultation with nutritionists and naturopath professionals. Dietary supplements are added into the diet slowly, starting with small doses and work up to the manufacturers' recommended amounts over time. In addition, some supplements, such as herbal medications that may stimulate processes in the body, are best taken intermittently what is nutritional supplements, allowing the body occasional rest periods without the supplement. To avoid adverse interactions, dietary supplements are best used in moderation and individually, instead of taking a handful of capsules and tablets for the needs and requirements at the same time. Finally what is nutritional supplements, consumers should be wary of excessive or health claims made by great manufacturers of nutritional supplements and are based on scientific evidence to validate these claims what is nutritional supplements.
Side effects
Some nutritional supplements can cause stomach upset and allergic reactions such as skin rash, flushing, nausea, sweating, headache.
Interactions
Herbal preparations and supplements may what is nutritional supplements interact adversely with pharmaceutical drugs. For example, some nutritional supplements recommended for nervous system function can not be recommended for those taking pharmaceutical antidepressants, such as taking 5-HP, a nutritional supplement for the brain, or the herb St what is nutritional supplements. John grass with prescription antidepressants. Vitamin C should not be taken with aspirin, which can irritate the stomach and the absorption edge. Minerals should be kept in suitable proportions to avoid adverse interactions what is nutritional supplements, large amounts of zinc can reduce copper ore body, while an excess of negatively affects calcium magnesium levels in the body. Mineral supplements are recommended to mitigate these interactions balanced.