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Evidence found and GRADE certainty

4,751 questions · 12,775 findings · 807 reviews · Headline outcomes only

No studies found 3,413 · 26.7%GRADE not reported 709 · 5.5%Very low 3,483 · 27.3%Low 3,165 · 24.8%Moderate 1,628 · 12.7%High 377 · 3%

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220 mg zinc sulphate supplement containing 50 mg elemental zinc vs placebo

Ulcer healing · people with diabetes and foot ulcers

It is very uncertain whether 220 mg zinc sulphate supplement containing 50 mg elemental zinc changes ulcer healing (absolute change in individual parameters of ulcer… compared with placebo (very low certainty).

4 findings from 1 review
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250 mg magnesium oxide supplement vs placebo

Ulcer healing · people with diabetes and foot ulcers

It is very uncertain whether 250 mg magnesium oxide supplement changes ulcer healing (absolute change in individual parameters of ulcer… compared with placebo (very low certainty).

4 findings from 1 review
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1000 mg/day omega‐3 fatty acid from flaxseed oil supplement vs placebo

Ulcer healing · people with diabetes and foot ulcers

It is very uncertain whether 1000 mg/day omega‐3 fatty acid from flaxseed oil supplement changes ulcer healing (absolute change in individual parameters of ulcer… compared with placebo (very low certainty).

4 findings from 1 review
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150,000 IU of vitamin D vs 300,000 IU of vitamin D

Ulcer healing · people with diabetes and foot ulcers

It is very uncertain whether 150,000 IU of vitamin D changes ulcer healing (absolute change in individual parameters of ulcer… compared with 300,000 IU of vitamin D (very low certainty).

2 findings from 1 review