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Prevent a Colon Cancer Recurrence

Dear colon cancer survivors, there is a way to prevent a colon cancer recurrence based on science and we’re going to detail it below.


  • SUMMARY: Science shows that a combination of calcium and vitamin D helps prevent a colon cancer recurrence by 27% (which is statistically significant!)
  • FREE RESOURCE: Get your questions answered with our Colon Cancer Bundle: 4 Tips on Preventing a Colon Cancer Recurrence + 9 Questions to Ask Your Doctor
  • MORE ARTICLES: Learn more about preventing colon cancer here and here


Colon cancer is one of the top four most diagnosed cancers globally. Here are a few colon cancer statistics:

  • There are 1.4 million colon cancer survivors in the United States [1]
  • Colon cancer (also known as colorectal cancer) is the 3rd leading cancer globally
  • Costs to the U.S. healthcare system are approximately $14 billion dollars annually [2, 3]
  • It is the 2nd leading cause of death, however, death rates have been decreasing over the past three decades [2]
  • It is uncommon in people under the age of 40, and is most common in people aged 60 – 75 years old [4]


It is possible to prevent colon cancer, whether it’s a new colon cancer diagnosis or preventing a colon cancer recurrence. Looking at colon cancer diagnosis patterns, we know that it is a disease of Western society, which is high in animal meat and fats, as well as in refined foods. Asian and African populations have some of the lowest rates of colon cancer due to their diets which are high in fiber.

In one of our previous articles, I discussed how the biological signs of colon cancer decreased in Americans who switched from the Standard American Diet (S.A.D.) to a South African diet that comprises high-fiber foods in just 6 weeks.

The lifestyle habits to focus on that have been scientifically shown to reduce colon cancer risk include:

  1. Dietary habits focused on increasing dietary fiber (here’s our list of high fiber foods and recipes).
  2. Getting regular colonoscopy screenings, which will detect polyps (or a growth) in the inner lining of the colon. Another name for polyps are adenomas, which are precancerous growths of the colon or large bowel.
  3. Getting occult blood tests which detects blood in the feces

As I discuss in my book “Cancer Prevention: The Diet and Lifestyle Habits that Cancer Hates” healthy cells that mutate can become cancerous cells. It takes multiple mutations in the DNA of originally healthy cells to create a cancerous cell.

DNA mutations are caused by diet and environmental factors, which I discuss in my book. Therefore, preventing DNA mutations in healthy cells should be the focus of any cancer prevention strategy.


If you have been diagnosed with colon polyps you are at increased risk of colon cancer (i.e., colorectal adenocarcinoma) if those polyps are not removed. Another name for colon polyps is colorectal neoplasia and they can be a benign polyp or cancer.

There is a higher risk of polyps mutating from benign growths to full-blown colon cancer, therefore it’s important to remove the polyp once it is discovered upon colonoscopy. For those colon cancer patients and survivors, get our Colon Cancer Bundle which includes 4 tips and questions to ask your doctor.

Scientists are now looking at chemoprevention, which is the use of cancer-fighting foods, herbs or supplements, to help prevent a colon cancer recurrence (or prevent colon polyps from recurring). Two cancer-fighting supplements that help prevent a colon cancer recurrence are 1) calcium and 2) vitamin D, preferably when taken in combination with each other. 

A recent meta-analysis (i.e., a large review study) that examined the results from 15 randomized controlled trials showed that these two supplements taken in combination significantly reduced the risk of advanced colon cancer (advanced metachronous neoplasia specifically by 27%.

After reviewing the publications, the vitamin D and calcium supplement concentrations that the study participants took are listed below.

  • Vitamin D3 (1000 IU), calcium as carbonate (1200 mg)
  • Calcium gluconolactate and carbonate (2000 mg elemental calcium daily)
  • Calcium carbonate (3 g [1200 mg of elemental calcium] daily)

Get more tips on preventing a colon cancer recurrence with our Colon Cancer Bundle here

Prevent a colon cancer recurrence







Here’s To Your Best Health!

Dee Grace, PhD

Hi! I am Dee Grace Ph.D., Scientist and Chief Prevention Officer here at The Cancer Detox. I have over 7 years of experience in cancer research. The Cancer Detox knows that cancer rates are dramatically increasing, so we help Cancer Preventers implement strategies focused on dietary and lifestyle habits. We also help Cancer Patients & Survivors advocate for their health and wellness during their treatment journey. 


[1] Colon Cancer: Statistics. https://www.cancer.net/cancer-types/colorectal-cancer/statistics#:~:text=Overall%2C%20the%20death%20rate%20decreased,survivors%20in%20the%20United%20States.)

[2] Jian Y, et al. Global patterns and trends of colorectal cancer survival: a systematic review of population-based registration data. Cancer Biol. Med. 2022;19:175-186

[3] Dulai PS, et al. Chemoprevention of colorectal cancer in individuals with previous neoplasia; a systematic review and network meta-analysis. BMJ. 2016;i6188

[4] Stephens FO and Aigner KR. In Basics of Oncology “Cancers of the Digestive System (Alimentary Tract)” pg. 211 Chapter 13. Springer Publication, New York.

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