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A dietary supplement is a manufactured product intended to supplement a person's diet by taking a pill, capsule, tablet, powder, or liquid. [ 2 ] A supplement can provide nutrients either extracted from food sources, or that are synthetic (in order to increase the quantity of their consumption).
Regulation of supplements varies widely by country. In the United States, a dietary supplement is defined under the Dietary Supplement Health and Education Act of 1994. [74] There is no FDA approval process for dietary supplements, and no requirement that manufacturers prove the safety or efficacy of supplements introduced before 1994.
Key:CIWBSHSKHKDKBQ-JLAZNSOCSA-N Y. (verify) Vitamin C (also known as ascorbic acid and ascorbate) is a water-soluble vitamin found in citrus and other fruits, berries and vegetables. It is also a generic prescription medication and in some countries is sold as a non-prescription dietary supplement. As a therapy, it is used to prevent and treat ...
A. Acetylcarnitine. S-Adenosyl methionine. AHCC. Airborne (dietary supplement) Alanyl-glutamine. Algas calcareas. Glycerophosphorylcholine. Alternative treatments used for the common cold.
Spirulina (dietary supplement) Spirulina is the dried biomass of cyanobacteria (blue-green algae) that can be consumed by humans and animals. The three species are Arthrospira platensis, A. fusiformis, and A. maxima. Cultivated worldwide, Arthrospira is used as a dietary supplement or whole food. [1] It is also used as a feed supplement in the ...
A multivitamin is a preparation intended to serve as a dietary supplement with vitamins, dietary minerals, and other nutritional elements. Such preparations are available in the form of tablets, capsules, pastilles, powders, liquids, or injectable formulations. Other than injectable formulations, which are only available and administered under ...
Vitamin D 5. sitocalciferol. (made from 7-dehydrositosterol) Several forms (vitamers) of vitamin D exist, with the two major forms being vitamin D 2 or ergocalciferol, and vitamin D 3 or cholecalciferol. [ 1 ] The term 'vitamin D' refers to either D 2 or D 3, or both, and is known collectively as calciferol.
Vitamin E is a group of eight fat soluble compounds that include four tocopherols and four tocotrienols. [1][2] Vitamin E functions as a fat-soluble antioxidant which may help protect cell membranes from reactive oxygen species. [2][3] Symptomatic vitamin E deficiency, which is rare and is usually caused by an underlying problem with digesting ...