Difference between revisions of "Vitamin B12"

Revision as of 20:58, 23 April 2017

Vitamin B12

Vitamin B12 is cobalamin, and cyanocobalamin is a man-made form thereof.^[1] It's biological half-life is ~6 days (400 days in the liver)^[2]

The active form of Vitamin B12 is methylcobalamin, or "methyl B12". [Source needed]

Methylcobalamin has the following advantages:^[3]

• It is the natural form of cobalamin
• Does not require conversion, within the body, to the methyl form
• Does not produce cyanide within the body

See also

http://www.paulgolding.id.au/B12_AND_FOLATE/Pages/B12AndFolateInformation/B12Notes/Treatment/OralB12Supplements.html

Storage

• Methylcobalamin is light sensitive^[4]
• Methylcobalamin may be temperature sensitive^[5]

References

1. ↑ Cyanocobalamin,WebMD,http://www.webmd.com/drugs/2/drug-1010/cyanocobalamin-vitamin-b-12-oral/details
2. ↑ Vitam B12,Google,https://www.google.com/search?q=vitamin+b12
3. ↑ Oral B12 Supplements,Paul Golding,http://www.paulgolding.id.au/B12_AND_FOLATE/Pages/B12AndFolateInformation/B12Notes/Treatment/OralB12Supplements.html
4. ↑ Methylcobalamin,Wikipedia,https://en.wikipedia.org/wiki/Methylcobalamin#/media/File:B12_methylcobalamin.jpg
5. ↑ Methylcobalamin,Wikipedia,https://en.wikipedia.org/wiki/Methylcobalamin#/media/File:B12_methylcobalamin.jpg