Intervention
Vitamin D supplementation
Intervention
Strong
Slightly Positive
Generally Consistent
5 studies · 5 RCTs
Outcome
Fasting insulin levels
Outcome
Evidence Question
Does Vitamin D supplementation lower Fasting insulin levels?
Related to: Insulin ResistanceShort answer
Vitamin D supplementation may lower Fasting insulin levels.
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.