glutathione s transferase inhibitor transferases: substrates, inihibitors and pro-drugs in cancer and neurodegenerative diseases Enhanced soluble expression of glutathione

If you let it go for too long, it can cause problems in your nervous system such as: Vision problems Memory loss A pricking or numbing sensation Difficulty speaking or walking due to ataxia (loss of physical coordination) Damage to your extremities (hands, feet, arms, etc.), particularly your legs Other problems could include Infertility (this should go away with B12 treatment) Stomach cancer Bleeding and infections Damage your heart, brain, bones, and other organs in your body If you're pregnant and don't get enough vitamin B12, your baby is at risk of a serious birth defect called a neural tube defect

The most common form of vitamin B12 in dietary supplements is cyanocobalamin and methylcobalamin

It appears to rejuvenate aging cells by restoring youthful gene expression patterns

This is a known limitation

B., Thomsen, E