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  2. The Myths and Truths of Vitamin B12 - WebMD

    www.webmd.com/diet/features/b12-truths-myths

    Heart disease and stroke. Higher levels of the amino acid homocysteine may be associated with a higher risk of heart attack and stroke. B12 may lower homocysteine levels which could contribute to ...

  3. B12 Deficiency: Symptoms, Causes, Treatment - Healthline

    www.healthline.com/health/b12-deficiency

    Deficiency can lead to symptoms such as numbness or tingling in the hands and feet, difficulty with balance, muscle weakness, memory problems, and depression. Digestive issues: Some individuals ...

  4. Vitamin B12: What Are the Health Benefits?

    www.healthline.com/health/vitamin-b12

    Takeaway. Vitamin B12 is important for the health of your nervous system and your red blood cells. It can be found in many animal products and fortified foods. In the United States, about 6% of ...

  5. VITAMIN B12 - Uses, Side Effects, and More - WebMD

    www.webmd.com/vitamins/ai/ingredientmono-926...

    Overview. Vitamin B12 is an essential vitamin found in foods such as meat, fish, and dairy. It can also be made in a lab and is often taken with other B vitamins. Vitamin B12 is required for the ...

  6. Vitamin B12 Foods: 12 Great Sources - Healthline

    www.healthline.com/nutrition/vitamin-b12-foods

    Here are 12 foods that are high in vitamin B12. ... the Hordaland Homocysteine Study. https://pubmed.ncbi.nlm.nih.gov/19190073/ ... A vitamin B-12 test measures the amount of B-12 in your blood ...

  7. Health Benefits of Vitamin B12 - WebMD

    www.webmd.com/diet/health-benefits-vitamin-b12

    Amounts and Dosage. The recommended daily intake of vitamin B-12 for adults is 2.4 micrograms. Vitamin B12 is also found in animal products, such as eggs, meat, fish, poultry, milk, and some ...

  8. Vitamin B12 - Wikipedia

    en.wikipedia.org/wiki/Vitamin_B12

    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] Vitamin B 12 deficiency is a widespread condition that is particularly prevalent in populations with low ...

  9. Quizlet - Wikipedia

    en.wikipedia.org/wiki/Quizlet

    Quizlet is a multi-national American company that provides tools for studying and learning. [ 1 ] Quizlet was founded in October 2005 by Andrew Sutherland, who at the time was a 15-year old student, [ 2 ] and released to the public in January 2007. [ 3 ] Quizlet's primary products include digital flash cards, matching games, practice electronic ...

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