Also, some people have trouble properly absorbing the nutrient because of issues involving the GI tract or lack of stomach acid
A 2021 systematic review of 16 randomized controlled trials and 6,276 participants (Markun and colleagues, Effects of Vitamin B12 Supplementation on Cognitive Function, Depressive Symptoms, and Fatigue, Nutrients, 2021) found that B12 supplementation does not reliably reduce fatigue in people who are not deficient
Food and Drug Administration) and are not intended to diagnose, cure, treat, mitigate, or prevent any medical condition or disease
Cyanocobalamin Cyanocobalamin is an artificial form of Vitamin B12 which the body converts into the active forms of Methylcobalamin and Adenosylcobalamin, ready for use