High-Dose B Vitamins Increase Lung Cancer Risk in Men

A large-scale US‌ study is ‌raising⁤ concerns: long-term ‌intake of high-dose vitamin B supplements may considerably increase the risk of lung cancer in men, notably active smokers.

The findings of the “Vitamins and‍ Lifestyle” (VITAL) cohort⁣ study ⁤challenge the widely held assumption that water-soluble vitamins are‍ harmless. Experts are now advising ⁣more caution.

Researchers⁤ analyzed data ⁤from more ⁢than 77,000 US Americans over a decade.The result: men who took high-dose ⁢single supplements of ​ vitamin B6 or B12 had a two-fold increased risk of ​lung cancer.

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Relevant to the topic: Studies like the‌ VITAL ⁣cohort show that‌ high doses of vitamin B6 and B12 can be associated​ with an increased risk of ⁢lung cancer – especially in ‍smokers. Before ⁣continuing to take over-the-counter supplements, it is advisable to check your blood‍ levels. The free 25-page report “Laboratory Values Self-Check” clearly explains which​ vital nutrient parameters⁢ (including B12) are really relevant, from which limit values action is required, and which tests you should⁤ discuss with your doctor. Request ⁣Laboratory Values Report now

• The study ⁢was prospective‌ – vitamin⁤ intake was recorded before a cancer diagnosis was made.
• The association⁤ was specific to high-dose single vitamins,⁢ not to common multivitamin preparations.
• During the observation⁢ period, 808 study participants‌ developed lung cancer.

Smokers⁤ are hit hardest

The data ⁤reveals a⁣ particularly dramatic interaction with tobacco ​consumption. In male smokers who ‍took high ⁣doses, ​the ‌risk⁤ increased ‌massively:

• Vitamin ⁢B6: The risk of lung cancer increased‌ by 27%