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In the United States, the Dietary Supplement Health and Education Act of 1994 provides this description: "The Dietary Supplement Health and Education Act of 1994 (DSHEA) defines the term "dietary supplement" to mean a product (other than tobacco) intended to supplement the diet that bears or contains one or more of the following dietary ingredients: a vitamin, a mineral, an herb or other ...
Nutraceutical is a marketing term used to imply a pharmaceutical effect from a compound or food product that has not been scientifically confirmed or approved to have clinical benefits. [ 1 ] [ 2 ] In the United States, nutraceuticals are considered and regulated as a subset of foods (such as dietary supplements ) by the Food and Drug ...
A dramatic example of the effect of food processing on a population's health is the history of epidemics of beri-beri in people subsisting on polished rice. Removing the outer layer of rice by polishing it removes with it the essential vitamin thiamine, causing beri-beri.
Because water-soluble B vitamins are eliminated in the urine, taking large doses of certain B vitamins usually only produces transient side effects (only exception is pyridoxine). General side effects may include restlessness, nausea and insomnia. These side effects are almost always caused by dietary supplements and not foodstuffs.
In addition, a dietary supplement cannot be approved or authorized for investigation as a new drug, antibiotic, or biologic, unless it was marketed as a food or a dietary supplement before such approval or authorization. [8] Under DSHEA, dietary supplements are deemed to be food, except for purposes of the drug definition. [8]
Scientific analysis of food and nutrients began during the chemical revolution in the late 18th century. Chemists in the 18th and 19th centuries experimented with different elements and food sources to develop theories of nutrition. [1] Modern nutrition science began in the 1910s as individual micronutrients began to be identified.
Avoid "quoting" essays as though they are policy—including this explanatory supplement page. Essays, information pages and template documentation pages can be written without much—if any—debate, as opposed to Wikipedia policies that have been thoroughly vetted by the community (see WP:Local consensus for details).
In nutrition, diet is the sum of food consumed by a person or other organism. [1] The word diet often implies the use of specific intake of nutrition for health or weight-management reasons (with the two often being related). Although humans are omnivores, each culture and each person holds some food preferences or some food taboos. This may be ...
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