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  2. Vitamin - Wikipedia

    en.wikipedia.org/wiki/Vitamin

    In some cases, vitamin supplements may have unwanted effects, especially if taken before surgery, with other dietary supplements or medicines, or if the person taking them has certain health conditions. [73] They may also contain levels of vitamins many times higher, and in different forms, than one may ingest through food.

  3. Human nutrition - Wikipedia

    en.wikipedia.org/wiki/Human_nutrition

    The deficiency of vitamin B6 among institutionalized elderly in Europe ranges from below 1% to 75%. B-vitamins are primarily found in animal-based foods, making deficiencies more common among those with limited animal food intake due to cultural, religious, or economic reasons.

  4. List of antioxidants in food - Wikipedia

    en.wikipedia.org/wiki/List_of_antioxidants_in_food

    Vitamin E, including tocotrienol and tocopherol, is fat soluble and protects lipids. Sources include wheat germ, seabuckthorn, nuts, seeds, whole grains, green leafy vegetables, kiwifruit, vegetable oil, and fish-liver oil. Alpha-tocopherol is the main form in which vitamin E is consumed.

  5. Nutrition - Wikipedia

    en.wikipedia.org/wiki/Nutrition

    Human behavior is closely related to human nutrition, making it a subject of social science in addition to biology. Nutrition in humans is balanced with eating for pleasure, and optimal diet may vary depending on the demographics and health concerns of each person. [37] Humans are omnivores that eat a variety of foods.

  6. Nutrient - Wikipedia

    en.wikipedia.org/wiki/Nutrient

    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 ...

  7. Biotin - Wikipedia

    en.wikipedia.org/wiki/Biotin

    Biotin (also known as vitamin B 7 or vitamin H) is one of the B vitamins. [ 1 ] [ 2 ] [ 3 ] It is involved in a wide range of metabolic processes, both in humans and in other organisms, primarily related to the utilization of fats, carbohydrates, and amino acids. [ 4 ]

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