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1. www.webmd.com › vitamins › aiVITAMIN B12 - Uses, Side Effects, and More - WebMD

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   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 ...

2. www.webmd.com › drugs › 2Vitamin B-12 Oral: Uses, Side Effects, Interactions, ...

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   2023年3月28日 · Cyanocobalamin is a man-made form of vitamin B12 used to prevent and treat low blood levels of this vitamin. Most people get enough vitamin B12 from their diet. Vitamin B12 is important to...

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3. 其他人也問了

   What is vitamin B12 & methylcobalamin?

   • 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 function and development of many parts of the body, including the brain, nerves, and blood cells. Methylcobalamin is the active form of vitamin B12.

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

   www.webmd.com/vitamins/ai/ingredientmono-926/vitamin-b12

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   Is vitamin B12 safe?

   • Vitamin B12 is considered safe even in large doses. When applied to the skin: Vitamin B12 is likely safe for most people when used appropriately. When sprayed into the nose: Vitamin B12 is likely safe for most people. Vitamin B12 is considered safe even in large doses. When taken by mouth: Vitamin B12 is likely safe for most people.

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

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   What is the active form of vitamin B12?

   • Methylcobalamin is the active form of vitamin B12. Cyanocobalamin, which must be processed by the body into the active form, is the most common type used in supplements. People commonly use vitamin B12 for vitamin B12 deficiency, cyanide poisoning, and high levels of homocysteine in the blood.

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

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   Is vitamin B12 a deficiency?

   • Some people lack a protein that helps the body absorb vitamin B12 from foods and supplements. A lack of B12 can put you at higher risk for a specific type of anemia that makes you feel weak and tired. Depression Prevention and Treatment Vitamin B12 plays a role in serotonin production, so a deficiency may be connected with clinical depression.

   Vitamin B12: Health Benefits, Safety Information, Dosage, and More - W…

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4. www.webmd.com › diet › featuresThe Myths and Truths of Vitamin B12 - WebMD

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   2023年1月13日 · Symptoms of B12 deficiency, which can develop over years, may include fatigue, pale skin, numb or tingly hands or feet, and confusion. Left untreated, too little vitamin B12 can ultimately lead to ...

5. www.webmd.com › diet › health-benefits-vitamin-b12Vitamin B12: Health Benefits, Safety Information, Dosage, ...

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   2022年9月21日 · 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 ...

6. www.webmd.com › diet › b12-rich-foodsFoods You Should Eat if You Have a B12 Deficiency - WebMD

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   2023年1月16日 · This is how much B12 you’ll find in a 3-ounce serving of these foods: Cooked clams: 84.1 micrograms. Steamed mussels: 20.4 micrograms. Cooked Atlantic mackerel: 16.1 micrograms. Steamed Alaska ...

7. www.webmd.com › diet › health-benefits-b-complexB Complex: Health Benefits, Nutrients per Serving, Uses, ...

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   2022年9月14日 · B3), pantothenic acid (vitamin B5), pyridoxine (vitamin B6), biotin, folic acid, and the cobalamins (vitamin B12). Most of the B vitamins are found in a wide range of foods because they are so ...

8. www.webmd.com › diet › health-benefits-of-multivitaminsMultivitamins: Health Benefits, Nutrients per Serving, How ...

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   2023年11月27日 · Calcium builds bone and vitamin D helps your bones absorb calcium. Calcium needs are especially high for teens, who need 1,300 milligrams a day, and for women over age 50 and men over age 70, who ...