Combined with glutathiones role in protecting mitochondrial function, the result is measurably improved endurance capacity and the ability to sustain higher training loads over time
[DOI] [PubMed] [Google Scholar] 216.Medvidovic-Grubisic M., Stambolija V., Kolenc D., Katancic J., Murselovic T., Plestina-Borjan I., Strbe S., Drmic D., Barisic I., Sindic A., et al
According to the National Institutes of Health, your body can store up to 2,000 times the amount of B12 you typically get in a day
Though there have been no side effects documented from vitamin B12 use from either supplementation or food consumption, you should always check with your doctor prior to beginning supplementation of any type
Instead, they recommended methylcobalamin, a form of B12 where a methyl group replaces the cyano group