Translations:Vitamin B6/50/en

According to a prospective cohort study the long-term use of vitamin B₆ from individual supplement sources at greater than 20 mg per day, which is more than ten times the adult male RDA of 1.7 mg/day, was associated with an increased risk for lung cancer among men. Smoking further elevated this risk. However, a more recent review of this study suggested that a causal relationship between supplemental vitamin B₆ and an increased lung cancer risk cannot be confirmed yet.