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Vitamins are organic molecules (or a set of closely related molecules called vitamers) that are essential to an organism in small quantities for proper metabolic function. Essential nutrients cannot be synthesized in the organism in sufficient quantities for survival, and therefore must be obtained through the diet.
Human nutrition deals with the provision of essential nutrients in food that are necessary to support human life and good health. [1] Poor nutrition is a chronic problem often linked to poverty, food security , or a poor understanding of nutritional requirements. [ 2 ]
Taking vitamins, specifically omega-3 and vitamin D, and exercising, could add years to your life, research finds. Experts explain vitamins and longevity.
The first vitamin to be chemically identified was thiamine in 1926, ... weight, sex, physical activity levels, and more. ... Essentials of Human Nutrition ...
Vitamin B 6 Drug class Pyridoxal 5'-phosphate, the metabolically active form of vitamin B 6 Class identifiers Use Vitamin B 6 deficiency ATC code A11H Biological target enzyme cofactor Clinical data Drugs.com International Drug Names External links MeSH D025101 Legal status In Wikidata Vitamin B 6 is one of the B vitamins, and is an essential nutrient for humans. The term essential nutrient ...
These are usually of plant, animal, or fungal origin, and contain essential nutrients, such as carbohydrates, fats, proteins, vitamins, and minerals. Humans are highly adaptable omnivores, and have adapted to obtain food in many different ecosystems. Historically, humans secured food through two main methods: hunting and gathering and agriculture.
Thiamine, also known as thiamin and vitamin B 1, is a vitamin – an essential micronutrient for humans and animals. [1] [3] [4] It is found in food and commercially synthesized to be a dietary supplement or medication. [1] Phosphorylated forms of thiamine are required for some metabolic reactions, including the breakdown of glucose and amino ...
The elements listed below as "Essential in humans" are those listed by the US Food and Drug Administration as essential nutrients, [9] as well as six additional elements: oxygen, carbon, hydrogen, and nitrogen (the fundamental building blocks of life on Earth), sulfur (essential to all cells) and cobalt (a necessary component of vitamin B 12).
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