glutathione s-transferase class-mu 26 kda isozyme gst26 The role of S-transferases in human disease pathogenesis and their current inhibitors Glutathione S-transferase | Glutathione transferases;

A very recent study showed that the current minimum recommendations were not designed for optimal cognitive function or longevity as participants with B12 levels deemed adequate by todays medical standards showed clear signs of neurological impairment, while healthy older adults (averaging 71 years of age) who did not have dementia or mild cognitive impairment averaged B12 levels at 414.8 pmol/L, much higher than the recommended minimum level (68)

PubMed Central , FASEB Journal : Official Publication of the Federation of American Societies for Experimental Biology , vol

151 MaezonoS

Timing oral b12 does not matter significantly

And Ive seen that

This is a very high dose of vitamin B12, over 400 times the recommended daily intake for adults