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  2. Vitamin deficiency - Wikipedia

    en.wikipedia.org/wiki/Vitamin_deficiency

    Niacin deficiency is a consequence of a diet low in both niacin and the amino acid tryptophan, a precursor for the vitamin. Low plasma tryptophan is a non-specific indicator, meaning it can have other causes. The signs and symptoms of niacin deficiency start to revert within days of oral supplementation with large amounts of the vitamin. [23] [24]

  3. Vitamin B12 - Wikipedia

    en.wikipedia.org/wiki/Vitamin_B12

    "B12" and "Cbl" redirect here. For other uses of B12, see B12 (disambiguation). For the musical group, see Carbon Based Lifeforms. Pharmaceutical compound Vitamin B12 General skeletal formula of cobalamins Stick model of cyanocobalamin (R = CN) based on the crystal structure Clinical data Other names Vitamin B12, vitamin B-12, cobalamin AHFS / Drugs.com Monograph MedlinePlus a605007 License ...

  4. Riboflavin - Wikipedia

    en.wikipedia.org/wiki/Riboflavin

    Riboflavin deficiency is usually found together with other nutrient deficiencies, particularly of other water-soluble vitamins. [3] A deficiency of riboflavin can be primary (i.e. caused by poor vitamin sources in the regular diet) or secondary, which may be a result of conditions that affect absorption in the intestine.

  5. This Is the Best Time to Take Your Vitamins - AOL

    www.aol.com/lifestyle/best-time-vitamins...

    Dietitians share how and when to take water soluble vitamins, fat soluble vitamins, multivitamins. Here's what they say about best practices and when to take.

  6. Vitamin B12 deficiency symptoms - AOL

    www.aol.com/finance/vitamin-deficiency-cause...

    Vitamin B12 is a water-soluble vitamin that’s naturally present in some foods, ... Ultimately, doctors stress that a vitamin B12 deficiency and the symptoms that come with it are reversible ...

  7. Pernicious anemia - Wikipedia

    en.wikipedia.org/wiki/Pernicious_anemia

    Pernicious anemia is a disease where not enough red blood cells are produced due to a deficiency of vitamin B 12. [5] Those affected often have a gradual onset. [5] The most common initial symptoms are feeling tired and weak. [4]

  8. Vitamin B12 deficiency - Wikipedia

    en.wikipedia.org/wiki/Vitamin_B12_deficiency

    Vitamin B 12 deficiency, also known as cobalamin deficiency, is the medical condition in which the blood and tissue have a lower than normal level of vitamin B 12. [5] Symptoms can vary from none to severe. [1] Mild deficiency may have few or absent symptoms. [1]

  9. The Best Time to Take Vitamins Might Surprise You - AOL

    www.aol.com/lifestyle/best-time-vitamins-might...

    Additionally, “Water-soluble vitamins are not stored in your body tissue so they need to be regularly consumed,” White adds. Common water-soluble vitamins include: vitamin C. B vitamins ...