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B-12

Types of vitamin b-12 Do be aware that the Vitamin B12 form Methylcobalamin is the active form and therefore does not need to be converted by the body. Cyanocobalamin form has to be converted to Methylcobalamin. NB: Not everybody is able be able to convert it. Just because you take a tablet supplement of B12 or eat meat, does not mean that your body is able to absorb it. Vitamin B12 is the largest vitamin known, in terms of it's molecular size. The folowing was taken from: www.healthyawareness.com There are five known types of vitamin B12. 1. cyanocobalamin 2. methylcobalamin 3. adenosylcobalamin 4. hydroxycobalamin 5. glutathionylcobalamin Cyanocobalamin is the form of vitamin B12 that you will find in most supplements. It is cheaper than the other forms and most people tolerate it well. However, because it contains cyanide, it might be toxic when used in high doses. Methylcobalamin and adenosylcobalamin and are the active forms of the vitamin found in nature. [18] You can purchase methylcobalamin fairly readily. Thorne Research makes it. Unlike cyanocobalamin, the methylcobalamin does not require intrinsic factor for absorption. [20] So when taken orally, the methylcobalamin has a better chance of being absorbed. Methylcobalamin can be found in the cerebrospinal fluid. It supports the healthy structure and functioning of the brain and nervous system. It is the form often recommended for those who have been mercury poisoned. Adenosylcobalamin is also easily purchased <b>...</b>
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