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Taking a daily dose of vitamin D may significantly reduce the risk of colon cancer and improve outcomes for people diagnosed with the disease, a major new meta-analysis reports. Analyzing data on over 1.3 million people, the paper found that an optimum intake of vitamin D could potentially slash the risk of developing colon cancer by up to 58 percent, while also enhancing patients’ survival. The findings add to the growing evidence that a science-based nutritional approach can successfully prevent and control cancer.
Published in the journal Nutrients by researchers from Hungary, the analysis describes how vitamin D deficiency is one of the most widespread nutritional and health concerns today, posing a significant global public health challenge. Worldwide, say the authors, the prevalence of vitamin D deficiency is estimated to range between 30 and 50 percent, with even higher rates seen in specific populations. Significantly, therefore, low levels of this nutrient are strongly linked to an increased risk of colon cancer, with multiple studies now emphasizing it as a significant risk factor.
Examining 50 existing studies involving 1,305,997 participants, the meta-analysis found that an adequate vitamin D intake is linked to a reduction in the risk of developing colon cancer of between 25 and 58 percent. Interestingly, therefore, one of the studies cited in the paper noted that every 100 IU (2.5 µg) per day increase in vitamin D intake reduces the risk of colon cancer by 4 percent. Moreover, this association was observed regardless of gender, tumor location, or geographical region. Another cited study found that vitamin D supplementation at a dose between 500 IU (12.5 µg) and 2000 IU (50 µg) per day reduced the incidence of colon cancer and improved long-term survival in patients. The meta-analysis suggests that a daily dose of 2000 IU is the optimal minimum intake for adults of normal weight.
The paper also found that vitamin D helps keep the gut healthy by supporting the proliferation of good bacteria, strengthening the gut’s protective barrier, and reducing inflammation. While evidence suggests that low levels of vitamin D can lead to more harmful bacteria and inflammation in the gut, increasing cancer risk, the researchers note that taking vitamin D supplements at a dose of 4000 IU (100 µg) per day has been shown to boost beneficial bacteria and improve gut health, making it harder for cancer to develop.
Ultimately, of course, successfully preventing colon cancer involves more than simply optimizing levels of vitamin D. Previous research has shown that the disease is also associated with low levels of vitamin E, for example. As such, for optimum prevention and control of this cancer, a synergistic combination of nutrients is required.
Studies carried out by scientists at the Dr. Rath Research Institute have repeatedly documented that a nutrient mix including vitamin C, lysine, proline, green tea extract, and others can be effective in halting metastasis (the spread of cancer cells), decreasing tumor growth, and eliminating cancer cells without harming healthy cells. As Dr. Rath and Dr. Niedzwiecki describe in their book, Victory Over Cancer, in experiments using a moderate concentration of these nutrients they were able to completely block the invasiveness of human colon cancer cells.
The World Health Organization (WHO) reports that colon cancer is now the second leading cause of cancer-related deaths worldwide. In 2020, more than 1.9 million new cases of colorectal cancer and more than 930 000 deaths from it were estimated to have occurred worldwide. By 2040 the burden is expected to increase to 3.2 million new cases per year (an increase of 63 percent) and 1.6 million deaths per year (an increase of 73 percent). With conventional medicine clearly failing to prevent and control this disease, a new approach is urgently needed.