How B12 Deficiency Affects Your Metabolism and Energy Now, while B12 doesn't directly cause weight gain, a deficiency can certainly have an indirect impact on your body's energy levels and, consequently, your activity and metabolism
If you're really low on vitamin B12, your healthcare provider might recommend getting a shot
Data that remained non-normally distributed and/or heteroscedastic after log transformation were analyzed (not log-transformed, but still 1e13-transformed) with a KruskalWallis test, while normally distributed and homoscedastic data were analyzed with a one-way ANOVA, performed on the log-transformed data as necessary
Low vitamin B12 can cause fatigue, weakness, memory problems, tingling in the hands and feet, and pale skin