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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

   Cyanocobalamin is the most common form used in dietary supplements and food fortification because cyanide stabilizes the molecule against degradation. Methylcobalamin is also offered as a dietary supplement. [12] There is no advantage to the use of adenosylcobalamin or methylcobalamin forms for the treatment of vitamin B 12 deficiency. [20] [21 ...

4. Metanx - Wikipedia

   en.wikipedia.org/wiki/Metanx

   Metanx is a prescription medical food made by Alfasigma that contains L-methylfolate (as Metafolin, a calcium salt of vitamin B 9), methylcobalamin (vitamin B 12) and pyridoxal 5'-phosphate (vitamin B 6). It is a vitamin B supplement. Metanx is indicated for the dietary management of peripheral neuropathy (i.e. DPN). [1]

5. Vitamin B12-binding domain - Wikipedia

   en.wikipedia.org/wiki/Vitamin_B12-binding_domain

   In molecular biology, the vitamin B12-binding domain is a protein domain which binds to cobalamin (vitamin B12). It can bind two different forms of the cobalamin cofactor, with cobalt bonded either to a methyl group (methylcobalamin) or to 5'-deoxyadenosine (adenosylcobalamin).

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

   www.aol.com/lifestyle/vitamin-b12-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. Vitamin B12 is a power nutrient. Here's how to know if you're getting ...

7. Is It Possible to Take Too Much B12? Here's What ... - AOL

   www.aol.com/lifestyle/possible-too-much-b12-here...

   Registered dietitians explain what vitamin B12 is, how much you need, and the potential side effects of taking too much. Skip to main content. 24/7 Help. For premium support please call: ...

8. 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.

9. Cerefolin - Wikipedia

   en.wikipedia.org/wiki/Cerefolin

   Cerefolin is a prescription medication made by Pamlab that contains 5.635 mg of folate as L-methylfolate, 1 mg of vitamin B 12 as methylcobalamin, 50 mg of vitamin B 2 as riboflavin, and 5 mg of vitamin B 6 as pyridoxine. It is approved by the U.S. Food and Drug Administration for the treatment or prevention of vitamin deficiencies. [1]