Evidence Question
Does Vitamin D supplementation improve fasting insulin levels?
Related to: Insulin ResistanceShort answer
Vitamin D supplementation may improve fasting insulin levels.
Evidence at a glance
- Evidence strength
- Strong Evidence
- Supporting research
- 4 studys
- Randomized trials
- 4 trials
Why do we say this?
Across 4 randomized trials, findings are consistent and showed an effect on fasting insulin levels with Vitamin D supplementation.
Explore the evidence
Supporting research
4 published studys