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Vitamins, minerals, fiber, [9] and water do not provide energy, but are required for other reasons. A third class of dietary material, fiber (i.e., nondigestible material such as cellulose), seems also to be required, for both mechanical and biochemical reasons, though the exact reasons remain unclear.
Vitamin C and B vitamins are water soluble, so we pee out what we don’t need in a matter of days. Vitamins A, D, E, and K are fat soluble, so we can store extra in our tissues. It’s easier to ...
Both deficient and excess intake of a vitamin can potentially cause clinically significant illness, although excess intake of water-soluble vitamins is less likely to do so. All the vitamins were discovered between 1913 and 1948. Historically, when intake of vitamins from diet was lacking, the results were vitamin deficiency diseases.
Here’s why some kids probably need them—and why most do not. Beth Greenfield. Updated January 14, 2025 at 1:34 PM. ... where we can get vitamin D and calcium—and…a wide variety of all the ...
Humans require thirteen vitamins in their diet, most of which are actually groups of related molecules (e.g. vitamin E includes tocopherols and tocotrienols): [20] vitamins A, C, D, E, K, thiamine (B 1), riboflavin (B 2), niacin (B 3), pantothenic acid (B 5), pyridoxine (B 6), biotin (B 7), folate (B 9), and cobalamin (B 12). The requirement ...
“In general, we should be able to get all the nutrients we need from foods, but the reality is many people do not always have access to a reasonable variety of healthy foods,” Gardner said ...
Some can produce nutrients internally by consuming basic elements, while some must consume other organisms to obtain pre-existing nutrients. All forms of life require carbon, energy, and water as well as various other molecules. Animals require complex nutrients such as carbohydrates, lipids, and proteins, obtaining them by consuming other ...
"Vitamins are a type of supplement, but you can supplement nutrients that are not vitamins, such as fiber," Dr. Katie Lockwood, a pediatrician at Children's Hospital of Philadelphia, tells Yahoo Life.
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