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( Nutrient) A nutrient is food or chemicals that an organism needs to live and grow or a substance used in an organism's metabolism which must be taken in from its environment. Non-autotrophic organisms typically acquire nutrients by the ingestion of foods. Methods for nutrient intake vary, with animals and protists having an internal digestive system, but most plants ingest nutrients directly from the soil or atmosphere - while some, like carnivorous plants, externally digesting nutrients from animals, before ingesting them. The effects of nutrients are dose-dependent.

Organic nutrients include carbohydrates, fats, proteins (or their building blocks, amino acids), and vitamins. Inorganic chemical compounds such as minerals; water and oxygen may also be considered nutrients. A nutrient is essential to an organism if it cannot be synthesized by the organism in sufficient quantities and must be obtained from an external source. Nutrients needed in relatively large quantities are called macronutrients and those needed in relatively small quantities are called micronutrients.

See healthy diet for more information on the role of nutrients in human nutrition.

The remaining vitamins, minerals, or elements, are called micronutrients because they are required in relatively small quantities.

Nutrient Subcategories Nutrient Articles The Nutrient-Rich Raw Diet - Eating Your Way to Younger Looking Skin by Marcus Ryan We all have to age, and we all hope to age gracefully. If you dream of having skin which seems impervious to the passage of time, then you need to learn about the raw diet and its amazing anti aging potential. The raw diet is now getting mor... Deficiency of nutrients can create hazardous effects by Robert Bell Eating right food is crucial. Everyone needs to provide his body with specific nutrients in specific amount and that can only be done by eating right food. In fact, it is an interesting fact that your peaceful slumber can get hindered by eating wrong... Organic Nutrients For Healthy Food Grown Indoors by Susan Slobac Indoor gardening is very popular, and especially so for growing food in inhospitable climates or where soil is poor or not available. If you are trying to grow food indoors using hydroponics, many growers favor g... Growing Healthy Plants Using Hydroponic Nutrient Solutions by Susan Slobac Hydroponics is the perfect solution for the gardener in all of us and the best solution for indoor gardening. Hydroponics means soil-less gardening and it allows growing healthy plants and vegetables without gett... Two Nutrients You Need In Your Fight Against Wrinkles by Marcus Ryan You make an effort to get the right balance of proteins, fats, and complex carbohydrates in your diet. But there's even more than that to a diet which is not only healthy, but which fights the signs of aging. If you want to stay young as long as pos... The Little Known Micro-Nutrients That are Critical in the Battle Against Anti Aging by Dane Phillip Nutritional science is becoming increasingly interested in the potential of certain micro-nutrients, which appear to be of particular significance in the battle against aging. These so-called anti-aging micro-nutrients include lipoic acid, and the am... Supplementing Your Body by Russell Buelna Folks, what I am going to tell you may educate you more about nutritional value that your bodies need on a daily basis. Our bodies rely on intake of vitamins and minerals because of the lack of nutrition found in the foods we consume today, and here ... Nutrition and Nutrients by Kazim Shah Nutrition is the very first need for our good health and fitness.Our life depends on our nutrition.Nutrition must contain a healthy and balanced diet.For healthy living it is necessary to maintain a balanced diet.Good nutrition is the key to healthy ... Skin's Formula - Smart Nutrients for Beauty and Young Active Brain by Francis Adam Your skin is a reflection of your body’s overall health. A consistent maintenance is needed for your skin and body. There are also powerful ingredients that can keep your mind youthful at any age. Our perfect anti-aging skin dietary product i... Reports on Glyconutrients Show Health Benefits. by Leo Pierson Scientists have recently discovered a new class of necessary nutrients - certain monosaccharides or carbohydrates that are necessary for maintaining health. These monosaccharides are called glyconutrients and there are 8 glyconutrients essential f...