Intervention
Vitamin D supplementation
Intervention
Strong
Positive
Generally Consistent
5 studies · 4 RCTs
Outcome
HbA1c
Outcome
Evidence Question
Does Vitamin D supplementation lower HbA1c?
Related to: Supplements and NutraceuticalsShort answer
Vitamin D supplementation may lower HbA1c.
How the evidence connects
Each connection shows the published evidence classification for that intervention and outcome relationship.
Why do we say this?
Multiple studies contribute evidence to this Question, and their findings generally point in the same direction.