Experiences with
Vitamin B1250,258 public posts
Vitamin B12
Did you know that the symptoms of B12 deficiency are similar to hypothyroidism? https://thyroiduk.org/if-you-are-hypothyroid/the-importance-of-vitamins-and-minerals-hypo/checking-for-b12-deficiency-and-pernicious-anaemia/
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Vitamin B12—Multifaceted In Vivo Functions and In Vitro Applications
Research indicates that vitamin B12 deficiency leads to indirect DNA damage, and vitamin B12 supplementation may reverse this effect. Vitamin B12 acts as a cofactor for enzymes such as methionine synthase and methylmalonyl-CoA mutase, which are involved in DNA methylation and nucleotide synthesis.
Kevin Byrne - The Enterohepatic Circulation of Vitamin B12
[i]Kevin Byrne - The Enterohepatic Circulation of B12
A link to a PDF document on the B12info.com site which explains why even those receiving large quantities of B12 end up losing it very quickly.