A recent study conducted by Danish researchers at Copenhagen University Hospital and the University of Copenhagen has uncovered a correlation between insufficient levels of Vitamin K in the bloodstream and compromised lung function. The research, published in the ERJ Open Research journal, sheds light on the connection between low Vitamin K levels and conditions like asthma, chronic obstructive pulmonary disease (COPD), and wheezing.
Vitamin K’s impact on lung health remains relatively unexplored
Vitamin K, typically found in leafy green vegetables, vegetable oils, and cereal grains, is primarily recognized for its role in aiding blood clotting and wound healing. However, its impact on lung health remains relatively unexplored.
The study, involving 4,092 participants aged 24 to 77 living in Copenhagen, utilized lung function testing (spirometry), blood sampling, and health/lifestyle questionnaires. The research identified a marker for low Vitamin K levels in the blood. The spirometry measurements encompassed forced expiratory volume (FEV1) – the air exhaled within a second – and forced vital capacity (FVC) – the total air inhaled during a forced breath.
The findings demonstrated a correlation between diminished levels of Vitamin K and decreased FEV1 and FVC averages. Furthermore, participants with inadequate Vitamin K levels were more inclined to report the presence of COPD, asthma, or wheezing.
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Dr. Torkil Jespersen, one of the researchers, emphasized that while the study’s outcomes don’t warrant immediate adjustments to Vitamin K intake recommendations, they do emphasize the need for additional investigation. Specifically, they suggest exploring whether certain individuals, particularly those afflicted by lung conditions, could potentially benefit from Vitamin K supplementation. This study marks a significant step forward, as it’s the first to examine the association between Vitamin K and lung function in a broad population context.
