Dr. Joseph Mercola - Take Control of Your Health The Vitamin That Slashes Colon Cancer Risk by 58%
Jun 26, 2025
New research reveals that high blood levels of vitamin D can lower the risk of colorectal cancer by 58%, especially in women. A staggering 80% of adults are deficient in this vital nutrient, which is crucial for gut health and reducing inflammation. Regular sun exposure or supplementation can help prevent tumors, even in those with genetic risks. The podcast also emphasizes the importance of monitoring vitamin D levels and offers tips for safe sun exposure and dietary practices to enhance its effects.
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Vitamin D Cuts Colon Cancer Risk
- Research involving over 1.3 million people links higher vitamin D levels with up to 58% lower colorectal cancer risk, especially in women.
- This finding establishes a strong protective correlation between vitamin D and colon cancer prevention.
Consistent Vitamin D Levels Lower Risk
- The Nurses Health Study showed women with the highest vitamin D intake had a 58% lower risk of colorectal cancer.
- Consistently high vitamin D blood levels reduce risk by 39% to 59% over time.
Vitamin D Deficiency Is Widespread
- Nearly 80% of adults have insufficient or deficient vitamin D levels, raising colorectal cancer risk.
- Both deficiency (<20 ng/mL) and insufficiency (20-30 ng/mL) are highly prevalent globally.