That headline is misleading. There is no healthy person who normally carries “15 kilograms of waste” in the colon that can simply be removed overnight.
What actually happens?
Your colon continuously contains some stool and digestive material, and the amount changes with food intake, hydration, bowel movements, and constipation. A medically supervised bowel preparation—such as before a colonoscopy—can empty most of the colon, but it does so by causing substantial diarrhea using specific laxatives and fluids.
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If you’re constipated
A safer approach is usually:
Drink adequate fluids, unless you’ve been told to restrict them.
Gradually increase dietary fiber through vegetables, fruits, whole grains, beans, nuts, and seeds.
Stay physically active.
Review medications with a clinician or pharmacist, because some medicines can cause constipation.
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If lifestyle measures aren’t enough, ask a healthcare professional about an appropriate laxative rather than attempting an aggressive “colon cleanse.”
Avoid homemade detoxes, repeated enemas, or very large doses of laxatives marketed as overnight colon cleanses. They can cause diarrhea, dehydration, electrolyte disturbances, and other complications.
If constipation comes with severe or constant abdominal pain, vomiting, inability to pass gas, blood in the stool, fever, or unexplained weight loss, seek medical attention promptly.
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So, you don’t need to “clean 15 kg of waste” from your colon. The goal is regular, comfortable bowel movements—not completely emptying the colon unless a medical procedure requires it.
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