Vitamin B

Vitamin B may lower homocysteine in the blood.

Benefits
Vitamin B has been studied for benefits on mortality and cancer. However, according to a meta-analysis, "there was no significant effect on the rate ratios (95% confidence intervals) for overall cancer incidence (1.05 [0.98-1.13]), cancer mortality (1.00 [0.85-1.18]) or all-cause mortality (1.02 [0.97-1.08]) during the whole scheduled treatment period or during the later years of it".