Adverse effect: hyperphosphataemiab · children under 5 years of age
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Adverse effect: kidney stonesb · children under 5 years of age
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Visual field sensitivity (visual field) · retinitis pigmentosa
1 finding from 1 review
Visual acuitychange in logMAR visual acuity, may be reported as ETDRS · retinitis pigmentosa
It is very uncertain whether vitamin A and fish oils (docosahexaenoic acid) changes visual acuitychange in logMAR visual acuity, may be reported as ETDRS compared with placebo, vitamins (including vitamin A), or no therapy (very low certainty).
1 finding from 1 review
Electroretinography (ERG) · retinitis pigmentosa
1 finding from 1 review
Optical coherence tomography (OCT) · retinitis pigmentosa
1 finding from 1 review
Adverse effects: as reported by studies · retinitis pigmentosa
1 finding from 1 review
Pre‐eclampsia · pregnant women and their infants..
1 finding from 1 review
Gestational diabetes · pregnant women and their infants..
It is very uncertain whether vitamin D + calcium + other vitamins and minerals changes gestational diabetes compared with calcium + other vitamins and minerals (but no vitamin D) (very low certainty).
1 finding from 1 review
Maternal adverse event: hypercalcaemia · pregnant women and their infants..
1 finding from 1 review
Adverse events ‐ Hypercalciuria · pregnant women and their infants..
1 finding from 1 review
Preterm birth · pregnant women and their infants..
Vitamin D + calcium + other vitamins and minerals showed no clear difference in preterm birth (less than 37 weeks' gestation) compared with calcium + other vitamins and minerals (but no vitamin D) (low certainty).
1 finding from 1 review
Low birthweight · pregnant women and their infants..
Vitamin D + calcium + other vitamins and minerals showed no clear difference in low birthweight (less than 2500 g) compared with calcium + other vitamins and minerals (but no vitamin D) (low certainty).
1 finding from 1 review
Clinical relapse · people with inflammatory bowel disease
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Quality of life · people with inflammatory bowel disease
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Withdrawals due to adverse events · people with inflammatory bowel disease
It is very uncertain whether any‐treatment‐dose vitamin D (greater than 400 IU/day) changes withdrawals due to adverse events compared with supplemental‐dose vitamin D (less than 400 IU/day) (very low certainty).
1 finding from 1 review
Clinical response · people with inflammatory bowel disease
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Maternal anaemia · pregnant women
It is very uncertain whether summary of findings table ‐ Vitamin B12 supplementation changes maternal anaemia compared with placebo/no vitamin B12 supplementation (very low certainty).
1 finding from 1 review
Miscarriage and spontaneous abortion · pregnant women
1 finding from 1 review
Low birthweight · pregnant women
Summary of findings table ‐ Vitamin B12 supplementation showed no clear difference in low birthweight (< 2500 g) compared with placebo/no vitamin B12 supplementation (low certainty).
1 finding from 1 review