In addition, it is essential to consider the destructive effect of elevated levels of vitamin C on erythrocytes and the potential occurrence of hemolysis (Shilotri and Bhat, 1977
The funnel plot, as well as the Beggs's and Egger's regression tests was used to determine the publication bias
Yet, a randomized, double-blind, placebo-controlled trial in 215 men (35-55 years old) found that daily supplementation with B vitamins (at 3 to 13 times the current RDA, except for folic acid, which was included at a dose equivalent to the RDA), vitamin C (500 mg/day), zinc (10 mg/day), and magnesium (100 mg/day) for 33 days had no effect on measured performance of executive functions, including the Stroop color-word test, the peg-and-ball task, and the Wisconsin card-sorting task (134)
Scaling and root planing (deep cleaning): similar timing