Health questions: are colon-cleansing products necessary for a healthy gut?
It's a common belief that years of bad eating habits can cause toxins to accumulate in the colon, causing a host of ailments. So what does the science say?
No
There are many products, programmes and procedures that claim to "cleanse" or "detoxify" your colon. It's a common belief that years of bad eating habits can cause faecal matter and toxins, such as parasites, pesticides and chemicals, to accumulate and "stick" to the colon wall, causing a host of ailments, from stress, depression and fatigue, to irritable bowel syndrome (IBS) and even cancer.
But if you're a healthy individual, there is no need to use such products and procedures, says Dr David Chow, resident consultant, and specialist in gastroenterology and hepatology at Matilda International Hospital.
"The idea of colon detoxification has grown in popularity in recent years as more people become concerned about toxins in the colon. But there is no evidence to suggest that toxins can accumulate in the colon and cause IBS, allergies or cancer later in life."
There are millions of naturally occurring bacteria in the human gut. These microorganisms perform a range of useful functions, including keeping the immune system healthy, preventing the growth of harmful bacteria, and producing vitamins and hormones. They are therefore essential for a healthy digestive system.
What colon-cleaning products and procedures do is upset the balance of these good gut microorganisms. When this happens, normal bowel function can become disrupted or impaired, leading to dehydration and a loss of nutrients, among other problems.