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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). The classes of nutrient compounds in supplements ...
Spirulina is a 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 aquaculture, aquarium, and poultry ...
Vitamin B 12 supplements are available as single or multivitamin tablets. Pharmaceutical preparations of vitamin B 12 may be given by intramuscular injection. Since there are few non-animal sources of the vitamin, vegans are advised to consume a dietary supplement or fortified foods for B 12 intake, or risk serious health consequences.
A protein supplement is a dietary supplement or a bodybuilding supplement, and usually comes in the form of a protein bar, protein powder, and even readily available as a protein shake. Usually made from whey, plant, and/or meat sources. Protein supplements are extracts or concentrates of high protein foodstuffs, used in bodybuilding and as a ...
Some manufactured foods and dietary supplements are sources of vitamin A or beta-carotene. Despite the US setting an adult upper limit of 3,000 μg/day, some companies sell vitamin A (as retinal palmitate) as a dietary supplement with amounts of 7,500 μg/day. Two examples are WonderLabs and Pure Prescriptions. Fortification
A. Acetylcarnitine. S-Adenosyl methionine. AHCC. Airborne (dietary supplement) Alanyl-glutamine. Algas calcareas. Glycerophosphorylcholine. Alternative treatments used for the common cold.
Vitamin E is a group of eight fat soluble compounds that include four tocopherols and four tocotrienols. [1] [2] Vitamin E deficiency, which is rare and usually due to an underlying problem with digesting dietary fat rather than from a diet low in vitamin E, [3] can cause nerve problems. [4] Vitamin E is a fat-soluble antioxidant which may help ...
Dietary supplements were first regulated in by the Federal Food Drug and Cosmetic Act of 1938. In 1941 the United States Food and Drug Administration proffered definitions for dietary supplementary foods which included minerals, vitamins and other specialized supplements. In the early 1970s the FDA tried to restrict the definition of dietary ...