The Claim

Vitamin D supplementation may reduce the risk of acute respiratory infections in children aged 1–15 years, with an odds ratio of 0.74 (95% CI 0.60–0.92) based on data from 16 trials involving 11,944 participants, though this subgroup finding was not confirmed by meta-regression and should be interpreted cautiously.

Source: Vitamin D supplementation to prevent acute respiratory infections: systematic review and meta-analysis of stratified aggregate data

What the research says

Challenges is higher

Challenge is ahead, but a single strong supporting study can change this.

Supports
0score
Challenges
45score

These are independent scores, not a percentage. Higher-grade studies count more, so a single strong opposing study can outweigh several weaker ones.

Cause and effect
1 study reviewed
In plain English

Taking vitamin D might help kids between 1 and 15 years old get fewer colds and lung infections, but scientists aren't totally sure yet.

See the scientific wording

Vitamin D supplementation may reduce the risk of acute respiratory infections in children aged 1–15 years, with an odds ratio of 0.74 (95% CI 0.60–0.92) based on data from 16 trials involving 11,944 participants, though this subgroup finding was not confirmed by meta-regression and should be interpreted cautiously.

What the research says

1 study

  1. Study: Vitamin D supplementation to prevent acute respiratory infections: systematic review and meta-analysis of stratified aggregate data

    The big study looked at vitamin D for preventing colds and found it didn't really help overall, and it didn't show special benefits for kids either. So the claim that it helps children is probably wrong.

Score breakdown, mechanism chain, raw evidence, ideal studies needed & 1 supporting studies

Fit Body Science verdict — we translate health claims into clear verdicts backed by peer-reviewed research.

Not medical advice. For informational purposes only. Always consult a qualified healthcare professional before making health decisions.