What do systematic reviews say?

Vitamin D vs placebo or no treatment

• Interventions for preventing bone disease in kidney transplant recipients 2019 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 40 participants
  Very low

Vitamin D vs placebo or no treatment

It is very uncertain whether vitamin D changes graft loss compared with placebo or no treatment (very low certainty).

• Interventions for preventing bone disease in kidney transplant recipients 2019 · Cochrane Headline outcomes only
  RR 0.11 [0.01, 2.01]
  3 studies · 220 participants
  Very low

Vitamin D vs placebo or no treatment

It is very uncertain whether vitamin D changes fracture compared with placebo or no treatment (very low certainty).

• Interventions for preventing bone disease in kidney transplant recipients 2019 · Cochrane Headline outcomes only
  RR 0.96 [0.1, 8.94]
  5 studies · 299 participants
  Very low

Vitamin D vs placebo or no treatment

It is very uncertain whether vitamin D changes acute graft rejection compared with placebo or no treatment (very low certainty).

• Interventions for preventing bone disease in kidney transplant recipients 2019 · Cochrane Headline outcomes only
  RR 0.98 [0.52, 1.86]
  5 studies · 385 participants
  Very low

Vitamin D vs placebo

It is very uncertain whether vitamin D changes mortality compared with placebo (very low certainty).

• Micronutrient supplementation in adults with HIV infection 2017 · Cochrane Headline outcomes only
  RR 1.15 [0.65, 2.02]
  1 study · 131 participants
  Very low

Vitamin D vs placebo

• Micronutrient supplementation in adults with HIV infection 2017 · Cochrane Headline outcomes only
  no estimate extracted
  0 studies · 0 participants
  GRADE not reported

Vitamin D vs placebo

• Micronutrient supplementation in adults with HIV infection 2017 · Cochrane Headline outcomes only
  no estimate extracted
  4 studies · 288 participants
  Low

Vitamin D vs placebo

• Micronutrient supplementation in adults with HIV infection 2017 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 28 participants
  Very low

Vitamin A vs placebo

• Micronutrient supplementation in adults with HIV infection 2017 · Cochrane Headline outcomes only
  no estimate extracted
  0 studies · 0 participants
  GRADE not reported

Vitamin A vs placebo

• Micronutrient supplementation in adults with HIV infection 2017 · Cochrane Headline outcomes only
  no estimate extracted
  0 studies · 0 participants
  GRADE not reported

Vitamin A vs placebo

• Micronutrient supplementation in adults with HIV infection 2017 · Cochrane Headline outcomes only
  no estimate extracted
  2 studies · 464 participants
  Low

Vitamin A vs placebo

• Micronutrient supplementation in adults with HIV infection 2017 · Cochrane Headline outcomes only
  no estimate extracted
  3 studies · 495 participants
  Low

Vitamin A and fish oils (docosahexaenoic acid) vs placebo, vitamins, or no treatment

• Vitamin A and fish oils for preventing the progression of retinitis pigmentosa 2020 · Cochrane Headline outcomes only
  no estimate extracted
  4 studies · 881 participants
  Very low

Vitamin A and fish oils (docosahexaenoic acid) vs placebo, vitamins, or no treatment

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).

• Vitamin A and fish oils for preventing the progression of retinitis pigmentosa 2020 · Cochrane Headline outcomes only
  no estimate extracted
  4 studies · 881 participants
  Very low

Vitamin A and fish oils (docosahexaenoic acid) vs placebo, vitamins, or no treatment

• Vitamin A and fish oils for preventing the progression of retinitis pigmentosa 2020 · Cochrane Headline outcomes only
  no estimate extracted
  4 studies · 881 participants
  Very low

Vitamin A and fish oils (docosahexaenoic acid) vs placebo, vitamins, or no treatment

• Vitamin A and fish oils for preventing the progression of retinitis pigmentosa 2020 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 51 participants
  Very low

Vitamin A and fish oils (docosahexaenoic acid) vs placebo, vitamins, or no treatment

• Vitamin A and fish oils for preventing the progression of retinitis pigmentosa 2020 · Cochrane Headline outcomes only
  no estimate extracted
  4 studies · 944 participants
  Very low

Vitamin D + calcium + other vitamins and minerals vs calcium + other vitamins and minerals (but no vitamin D)

• Vitamin D supplementation for women during pregnancy 2019 · Cochrane Headline outcomes only
  no estimate extracted
  0 studies · 0 participants
  GRADE not reported

Vitamin D + calcium + other vitamins and minerals vs calcium + other vitamins and minerals (but no vitamin D)

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).

• Vitamin D supplementation for women during pregnancy 2019 · Cochrane Headline outcomes only
  RR 0.42 [0.1, 1.73]
  1 study · 1298 participants
  Very low

Vitamin D + calcium + other vitamins and minerals vs calcium + other vitamins and minerals (but no vitamin D)

• Vitamin D supplementation for women during pregnancy 2019 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 1298 participants
  Very low