Could Vitamin D help reduce cancer?

30 March 2021

Have you heard of the Vitamin D – cancer hypothesis?

Today I wanted to share with you some really interesting results regarding the incidence of your vitamin D blood level status on cancer. Yes, that’s right cancer!

Several research studies have found a clear relationship between vitamin D status (the amount of vitamin D in your blood) and the incidence of cancer, and of mortality due to cancer. In a highly cited study of 47 800 patients that spanned 14 years, an increment of 10 ng/mL in predicted vitamin D (in its natural 25(OH)D form found in the blood) level was associated with a 17% reduction in total cancer incidence, and a 29% reduction in total cancer mortality!

They concluded that “low levels of vitamin D may be associated with increased cancer incidence and mortality in men”. Their findings also suggest that the amount of vitamin D supplementation necessary to achieve a 25(OH)D (vitamin D) increment of 10 ng/mL may be at least 1500 IU /day.

Stay healthy!



E. Giovannuci, et al., JNCI: Journal of the National Cancer Institute, Volume 98, Issue 7, 5 April 2006, Pages 451–459.

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