Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

1,126 questions · 1,225 findings · 111 reviews

No studies found 235 · 19.2%GRADE not reported 260 · 21.2%Very low 207 · 16.9%Low 271 · 22.1%Moderate 177 · 14.4%High 75 · 6.1%

Vitamin E vs placebo

Tardive dyskinesia: Deterioration of symptoms · patients with antipsychotic‐induced tardive dyskinesia

VITAMIN E may leads to lower tardive dyskinesia: 3. Deterioration of symptoms compared with PLACEBO (low certainty).

1 finding from 1 review

Vitamin E vs placebo

Adverse effect: any · patients with antipsychotic‐induced tardive dyskinesia

It is very uncertain whether VITAMIN E changes adverse effect: any compared with PLACEBO (very low certainty).

1 finding from 1 review

Vitamin E vs placebo

Leaving the study early · patients with antipsychotic‐induced tardive dyskinesia

It is very uncertain whether VITAMIN E changes acceptability of treatment (measured by participants leaving the… compared with PLACEBO (very low certainty).

1 finding from 1 review

Vitamin D given to infants vs vitamin D given to lactating mothers

Vitamin D insufficiency: 25‐OH vitamin D < 50 nmol/L · term breastfed infants to prevent vitamin D deficiency and improve bone health

It is very uncertain whether vitamin D given to infants changes vitamin D insufficiency: 25‐OH vitamin D < 50 nmol/L compared with vitamin D given to lactating mothers (very low certainty).

1 finding from 1 review

Vitamin D given to infants vs vitamin D given to lactating mothers

Vitamin D deficiency: 25‐OH vitamin D < 30 nmol/L · term breastfed infants to prevent vitamin D deficiency and improve bone health

It is very uncertain whether vitamin D given to infants changes vitamin D deficiency: 25‐OH vitamin D < 30 nmol/L compared with vitamin D given to lactating mothers (very low certainty).

1 finding from 1 review