June 26, 2025

The Vitamin That Slashes Colon Cancer Risk by 58%

8 minutes

Story at-a-glance

New research involving over 1.3 million people shows that higher blood levels of vitamin D are linked to up to 58% lower risk of colorectal cancer, especially in women
A whopping 80% of adults are either deficient or insufficient in vitamin D, which significantly increases their risk of developing colorectal cancer over time
Vitamin D helps slow cancer cell growth, support gut health, and reduce inflammation — factors that are all important in preventing tumor formation in the colon
Getting regular sun exposure or supplementing with vitamin D has been shown to reduce the risk of polyps and tumors, even in people with a genetic risk for colon cancer
Testing your vitamin D levels and correcting deficiencies through sunlight, supplements, or food is one of the most powerful and low-cost ways to reduce your colon cancer risk

...more

By Dr. Mercola

4.6

14821,482 ratings

June 26, 2025

8 minutes

Story at-a-glance

New research involving over 1.3 million people shows that higher blood levels of vitamin D are linked to up to 58% lower risk of colorectal cancer, especially in women
A whopping 80% of adults are either deficient or insufficient in vitamin D, which significantly increases their risk of developing colorectal cancer over time
Vitamin D helps slow cancer cell growth, support gut health, and reduce inflammation — factors that are all important in preventing tumor formation in the colon
Getting regular sun exposure or supplementing with vitamin D has been shown to reduce the risk of polyps and tumors, even in people with a genetic risk for colon cancer
Testing your vitamin D levels and correcting deficiencies through sunlight, supplements, or food is one of the most powerful and low-cost ways to reduce your colon cancer risk

...more