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Description
Methyl B12: Pure methylcobalamin injection, focusing on brain health and energy

Key Takeaways People who are allergic to cobalt might also be allergic to vitamin B12

Effect modification by sex was investigated for all associations
10.1038/npp.2011.6 81

And then theres this gem: Cattle and other grass-eating animals get B12 and B12 producing bacteria from clumps of dirt around the grass roots that they pull up
