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  2. Vitamin B12 - Wikipedia

    en.wikipedia.org/wiki/Vitamin_B12

    [2] [4] Plants do not need cobalamin and carry out the reactions with enzymes that are not dependent on it. [5] Vitamin B 12 is the most chemically complex of all vitamins, [6] and for humans the only vitamin that must be sourced from animal-derived foods or supplements. [2] [7] Only some archaea and bacteria can synthesize vitamin B 12. [8]

  3. Vitamin B12 deficiency - Wikipedia

    en.wikipedia.org/wiki/Vitamin_B12_deficiency

    6% (< 60 years old), 20% (> 60 years old) [ 4 ] Vitamin B12 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 ]

  4. B vitamins - Wikipedia

    en.wikipedia.org/wiki/B_vitamins

    B vitamins are a class of water-soluble vitamins that play important roles in cell metabolism and synthesis of red blood cells. [1][2] They are a chemically diverse class of compounds. [1] Dietary supplements containing all eight are referred to as a vitamin B complex. Individual B vitamins are referred to by B-number or by chemical name, such ...

  5. Vitamin B12 for Weight Loss: Does It Work? - AOL

    www.aol.com/vitamin-b12-weight-loss-does...

    On it’s own, no. Vitamin B12 for weight loss isn’t the be-all, end-all solution. The reality is that, along with other weight management tools, like medications and lifestyle changes, certain ...

  6. Vitamin B12 total synthesis - Wikipedia

    en.wikipedia.org/wiki/Vitamin_B12_total_synthesis

    The structure of vitamin B 12 was the first low-molecular weight natural product determined by x-ray analysis rather than by chemical degradation. Thus, while the structure of this novel type of complex biomolecule was established, its chemistry remained essentially unknown; exploration of this chemistry became one of the tasks of the vitamin's chemical synthesis.

  7. ‘I’m an OB/GYN—This Is the One Vitamin I’m Begging Post ...

    www.aol.com/lifestyle/m-ob-gyn-one-vitamin...

    Fish, meat, eggs, poultry and dairy products all contain vitamin B12. If you are vegan, vegetarian or eat a primarily plant-based diet, it may be a good idea to consider a vitamin B12 supplement.

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