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By: Julian Sterling | Geologist & Lifestyle Correspondent
January 17, 2026

While the idea of eating “rocks” might seem unconventional, certain minerals and earth-derived compounds are used in 2026 as effective aids for digestive health

. These “lithic” remedies work by absorbing toxins, coating the stomach lining, or providing essential micronutrients. 

Top Earth-Derived Compounds for Digestion

• Bentonite (Montmorillonite) Clay: Known for its high absorbent capacity, bentonite acts like a “magnetic sponge” in the gut. Its negative electrical charge allows it to bind to positively charged toxins, heavy metals, and harmful bacteria, carrying them out of the body. In 2026, it is commonly used to alleviate bloating, gas, and diarrhea.
• Kaolinite (China Clay): A traditional remedy used in several modern antidiarrheal formulations. Kaolin works by absorbing excess fluids and bacterial toxins in the gastrointestinal tract, which helps firm stools and reduce the frequency of bowel movements.
• Magnesium-Rich Minerals: Magnesium is often described as a “gut-soothing” mineral. It helps relax the smooth muscles of the digestive tract and regulates water absorption in the colon, making it a primary natural treatment for constipation and heartburn.
• Calcium Carbonate: Often sourced from limestone or chalk, this mineral is a staple in over-the-counter antacids. It works by neutralizing excess stomach acid on contact, providing rapid relief from indigestion and acid reflux.
• Zeolite (Clinoptilolite): A volcanic mineral with a unique cage-like structure used for “intestinal detoxification”. It is used to trap ammonium and other metabolic waste products in the gut, potentially reducing inflammation and supporting a balanced microbiome. 

Essential Safety Precautions

Before incorporating these earth-derived remedies into your routine in 2026, consider these critical safety factors:

• Source “Food-Grade” Only: Not all clays or minerals are safe for consumption. Some industrial-grade products may contain high levels of heavy metals like lead or arsenic. Always verify that a product is labeled for internal use.
• Hydration is Critical: Absorbent clays like bentonite draw water into the intestines. Without adequate water intake, they can cause significant constipation or even intestinal blockage.
• Medication Interference: Because these minerals are highly absorbent, they can bind to prescription medications, preventing them from working. It is generally recommended to wait at least 2 to 3 hours between taking these minerals and any other medication.
• Consult a Professional: Always speak with a healthcare provider before using these substances as a treatment, especially if you have pre-existing kidney or heart conditions.