quantitative
Analysis v1
Strong Support
Taking vitamin D supplements doesn't really change your chance of having serious side effects, and it's considered safe for helping prevent colds and other breathing infections.
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0
Evidence from Studies
Supporting (1)
45
Community contributions welcome
45
Vitamin D supplementation to prevent acute respiratory infections: systematic review and meta-analysis of stratified aggregate data
Systematic Review With Meta-Analysis
The study looked at vitamin D supplements and found they don't cause serious side effects, just like the claim says, so it supports the idea that vitamin D is safe.
Contradicting (0)
0
Community contributions welcome
No contradicting evidence found
Gold Standard Evidence Needed
According to GRADE and EBM methodology, here is what ideal scientific evidence would look like to definitively prove or disprove this specific claim, ordered from strongest to weakest evidence.