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  2. Madrid - Wikipedia

    en.wikipedia.org/wiki/Madrid

    Madrid (/ m ə ˈ d r ɪ d / ⓘ mə-DRID; Spanish: [maˈðɾið] ⓘ) [n. 1] is the capital and most populous municipality of Spain, with about 3.4 million inhabitants. [10] It is also the capital of the surrounding Community of Madrid, [11] and the core of an urban area of around 7 million people, [2] [12] [13] the second largest in the European Union (EU).

  3. Spain - Wikipedia

    en.wikipedia.org/wiki/Spain

    Spain, [f] officially the Kingdom of Spain, [a] [g] is a country in Southwestern Europe with territories in North Africa. [ h ] Featuring the southernmost point of continental Europe , it is the largest country in Southern Europe and the fourth-most populous European Union member state.

  4. Niacin - Wikipedia

    en.wikipedia.org/wiki/Nicotinic_acids

    A man with pellagra, which is caused by a chronic lack of vitamin B 3 in the diet. Severe deficiency of niacin in the diet causes the disease pellagra, characterized by diarrhea, sun-sensitive dermatitis involving hyperpigmentation and thickening of the skin (see image), inflammation of the mouth and tongue, delirium, dementia, and if left untreated, death. [7]

  5. Vitamin B3 - Wikipedia

    en.wikipedia.org/wiki/Vitamin_B3

    Example of a label showing the amount of niacin (Vitamin B3), and specifying to be niacinamide in the ingredient section.. As flour fortification started adding niacin in the US, the United States Government adopted the terms niacin (a shortened form of "nicotinic acid vitamin") and niacinamide in 1942 as alternate names for nicotinic acid and nicotinamide, respectively, and encouraged their ...

  6. Nicotinic acid - Wikipedia

    en.wikipedia.org/wiki/Nicotinic_acid

    For humans, the efficiency of conversion is estimated as requiring 60 mg of tryptophan to make 1 mg of niacin. Riboflavin , vitamin B 6 and iron are required for the process. [ 20 ] Pellagra is a consequence of a corn-dominant diet because the niacin in corn is poorly bioavailable and corn proteins are low in tryptophan compared to wheat and ...

  7. Vitamin - Wikipedia

    en.wikipedia.org/wiki/Vitamin

    Vitamin C can be synthesized by some species but not by others. Vitamin B 12 is the only vitamin or nutrient not available from plant sources. The Food Fortification Initiative lists countries which have mandatory fortification programs for vitamins folic acid, niacin, vitamin A and vitamins B 1, B 2 and B 12. [9]

  8. Inositol nicotinate - Wikipedia

    en.wikipedia.org/wiki/Inositol_nicotinate

    Liver disease or kidney disease: Niacin can accumulate in people with liver or kidney problems, potentially worsening their condition. [ 1 ] Bleeding disorders : Inositol nicotinate may slow blood clotting, increasing the risk of bleeding for individuals with clotting disorders or those undergoing surgery.

  9. Niacin (disambiguation) - Wikipedia

    en.wikipedia.org/wiki/Niacin_(disambiguation)

    Niacin refers to the vitamers of vitamin B 3. Niacin may also refer to: Niacin, portmanteau of nicotinic acid vitamin, one of the vitamin B 3 vitamers;