A large observational study analyzing data from more than 179,000 UK Biobank participants over a median of 10.5 years found that higher dietary intake of vitamin K1 was associated with a 16% lower risk of developing chronic obstructive pulmonary disease (COPD). The study also reported better performance on lung function tests among those with the highest consumption of this nutrient, according to the research published in PubMed (ID 42025963).
The association was strongest among smokers and individuals exposed to occupational lung irritants such as dust and fumes, the researchers noted. The findings add to a growing body of evidence that vitamin K, long recognized for its roles in blood clotting and bone health, may also support respiratory function.
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