BioStacksBest Vitamin B12 for Liver
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Clinical dose: 250–5000 mcg
How Vitamin B12 supports liver
For liver support, Vitamin B12 is a supporting ingredient backed by research. Essential for nerve function, DNA synthesis, and red blood cell formation. Methylcobalamin and adenosylcobalamin are the two naturally active coenzyme forms, while cyanocobalamin is synthetic and requires conversion.
What dose to look for
Clinical studies typically use 250–5000 mcg of vitamin b12. RDA is 2.4 mcg but supplements typically provide 250–5000 mcg due to low absorption. Supplements that fall short of this threshold are unlikely to match what clinical trials achieved.
What form to look for
Avoid cyanocobalamin — synthetic, requires conversion. For best results, choose methylcobalamin or adenosylcobalamin.
Clinical research
Vitamin B12 has strong clinical evidence for liver benefits. Essential for nerve function and red blood cell formation; deficiency common in vegans and adults over 50 Learn more