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2. Methylcobalamin - Wikipedia

   en.wikipedia.org/wiki/Methylcobalamin

   Methylcobalamin (mecobalamin, MeCbl, or MeB 12) is a cobalamin, a form of vitamin B 12. It differs from cyanocobalamin in that the cyano group at the cobalt is replaced with a methyl group. [1] Methylcobalamin features an octahedral cobalt(III) centre and can be obtained as bright red crystals. [2]

3. Vitamin B12 - Wikipedia

   en.wikipedia.org/wiki/Vitamin_B12

   Methylcobalamin (shown) is a form of vitamin B 12. Physically it resembles the other forms of vitamin B 12, occurring as dark red crystals that freely form cherry-colored transparent solutions in water. Vitamin B 12 is the most chemically complex of all the vitamins. [6]

4. These High-Quality Vitamin B12 Supplements Can Help ... - AOL

   www.aol.com/high-quality-vitamin-b12-supplements...

   Research has shown that methylcobalamin is more efficiently used and retained in the body than the cyanocobalamin form,” Gray says. ️ Read the label. The form of B12 should be clearly listed.

5. Vitamin B12-binding domain - Wikipedia

   en.wikipedia.org/wiki/Vitamin_B12-binding_domain

   Enzymes that require adenosylcobalamin catalyse reactions in which the first step is the cleavage of adenosylcobalamin to form cob(II)alamin and the 5'-deoxyadenosyl radical, and thus act as radical generators. In both types of enzymes the B12-binding domain uses a histidine to bind the cobalt atom of cobalamin cofactors.

6. Cobalamin biosynthesis - Wikipedia

   en.wikipedia.org/wiki/Cobalamin_biosynthesis

   Cobalamin (vitamin B 12) is the largest and most structurally complex vitamin. It consists of a modified tetrapyrrole , a corrin, with a centrally chelated cobalt ion and is usually found in one of two biologically active forms: methylcobalamin and adenosylcobalamin .

7. Vitamin B12 Is a Power Nutrient. Here's How to Know If ... - AOL

   www.aol.com/lifestyle/vitamin-b12-power-nutrient...

   Vitamin B12 is a power nutrient. Here's how to know if you're getting enough, how to know if you're deficient, and the best foods to eat every day for health.