B12 supplement (cyanocobalamin) vs natural B12 (methylcobalamin) A study conducted in Los Angeles, California, presented evidence stating all forms of vitamin B12 in food and supplements are reduced to a common cobalamin molecule, which is then transformed into two active forms in cells, methylcobalamin and adenosyl cobalamin [14]
This is the closest human-trial evidence anywhere in the class, and it was negative
For vitamin B12 depo, in case of deficiency
In a study of weightlifters, pomegranate juice reduced oxidative stress and increased glutathione peroxidase by 6.8% following intense exercise [22]
However, removing BW, with or without FFM, FM or both, significantly worsened the fit
Biochimie 94 , 588596 (2012)