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Evidence-Based Supplement Research

Evidence-Based Supplement Research

Vitamin D and Improved Lung Function

Doses used in studies

IU single-dose: 100,000 (median 100,000, IQR 100,000–100,000) — 1 study
mcg/day: 125 (median 125, IQR 125–125) — 1 study

Time to effect

Median: 2.8 months · IQR 2.8 months–2.8 months · Range 2.8 months–2.8 months — Reported in 1 of 2 studies

2 of 2 papersPopulation:

A 12-week double-blind randomised controlled trial investigating the effect of dietary supplementation with 125 μg/d vitamin D in adults with asthma.
- 2024-05-16
- RCT · n = 32
- The British journal of nutrition 132(6)
- - Stephanie Watkins
  - Tanja Harrison
  - Sohail Mushtaq
- PubMed: 38751303
- DOI: 10.1017/s0007114524000953
3 Insights on
- Improved Lung Function
- High evidence
- Clinical
There was a small but statistically significant higher increase in the mean (±sd) ratio of FEV1:FVC from baseline to post-intervention in the vitamin D group (+0·05 ± 0·06) compared with the placebo group (+0·006 ± 0·04, P = 0·04).
Effect
Beneficial
Effect size
Small
Significant
Yes
Dose
125 μg/d
Has a High Dose of Vitamin D3 Impacted Health Conditions in Older Adults?-A Systematic Review and Meta-Analysis Focusing on Dose 100,000 IU.
- 2024-01-14
- Meta-Analysis
- Nutrients 16(2)
- - Barbara Owczarek
  - Anna Ziomkiewicz
  - Edyta Łukowska-Chojnacka
- PubMed: 38257146
- DOI: 10.3390/nu16020252
6 Insights on
- Improved Lung Function
- High evidence
- Rigorous Journal
- Elderly
Search results identify 13 studies that reported diverse health outcomes, such as lung and cardiovascular function, skin cancer progression, intensive care unit mortality, immune system response, and bone density.
Effect
Neutral
Effect size
Small
Significant
No
Dose
100,000 IU