The Origins and Properties of Bentonite Clay
Bentonite clay is a natural absorbent clay that forms from aged volcanic ash. Named after Fort Benton, Wyoming, where large deposits are found, this clay is rich in minerals such as calcium, magnesium, and iron. The healing properties of certain clays have been recognized for centuries in traditional medicine. Bentonite clay's unique efficacy stems from its structure, which features a strong negative electrical charge. This charge allows it to act like a magnet, attracting and binding to positively charged toxins, heavy metals, and other impurities in the digestive tract.
How the Clay's Adsorption Process Works
When bentonite clay is mixed with water, it takes on a large, porous structure, swelling significantly. This expanded surface area enhances its ability to absorb and carry away toxins. Instead of the body absorbing these harmful substances, the clay binds them and carries them out of the body during a bowel movement. This process is known as adsorption, where particles adhere to the clay's surface, effectively neutralizing them. While this mechanism is well-documented in animal studies, human research is still emerging, particularly regarding heavy metal detoxification.
Potential Oral Benefits of Bentonite Clay
While scientific research on human consumption is limited, several anecdotal and some early animal studies suggest a range of benefits associated with taking food-grade bentonite clay orally.
Detoxification Support
One of the most widely cited benefits is the clay's potential to assist with detoxification. In controlled animal studies, bentonite clay has been shown to bind to mycotoxins, like aflatoxin, and reduce their bioavailability. It is theorized that a similar effect occurs in humans, where the clay can help purge the body of various toxins and waste products.
Digestive Health Improvement
Bentonite clay's ability to draw water into the intestines can help regulate bowel movements and alleviate digestive issues.
- Relief from Constipation: The clay adds bulk to stool, which can help stimulate peristalsis and promote regularity.
- Relief from Diarrhea: Its absorbent nature can help consolidate stool, which has traditionally been used to treat diarrhea.
- Bloating and Gas Reduction: By adsorbing toxins and excess gas, it may reduce intestinal discomfort and bloating.
- Improved Gut Flora: Some research indicates that bentonite clay may help protect and support beneficial gut bacteria, particularly during antibiotic use.
Trace Mineral Supplementation
Food-grade bentonite clay is rich in essential trace minerals that can be beneficial to the body. While the primary mechanism is adsorption and removal, some of these minerals, such as calcium, magnesium, and iron, may also be absorbed by the body.
Comparison of Calcium vs. Sodium Bentonite
There are two main types of bentonite clay used for oral consumption. The names indicate the dominant mineral present, which affects the clay's properties.
| Feature | Calcium Bentonite Clay | Sodium Bentonite Clay |
|---|---|---|
| Dominant Mineral | Calcium | Sodium |
| Expansion | Less expansive when hydrated | Highly expansive when hydrated |
| Common Use | Internal consumption, detox, and digestive aid | Primarily external use (e.g., face masks), can be used internally with extreme caution |
| Absorption Capacity | Highly absorbent, effective for binding toxins | Extremely absorbent, great for drawing impurities from the skin |
| Internal Caution | Considered safer for internal use when food-grade | Not recommended for internal use in large amounts due to high sodium content and potential for extreme swelling |
| Hydration Requirement | High | Very high |
How to Safely Consume Bentonite Clay
If considering oral consumption, always choose a high-quality, food-grade bentonite clay from a reputable source.
- Hydrate Properly: Mix 1/2 to 1 teaspoon of food-grade powder in a glass with 8 ounces of water. Stir thoroughly with a non-metal utensil and drink immediately before it thickens. Follow up with another glass of plain water.
- Take on an Empty Stomach: For best results, consume the clay on an empty stomach, either first thing in the morning or before bed.
- Ensure Plenty of Water: Drinking plenty of water throughout the day is critical to prevent constipation and intestinal blockage, as the clay is very absorbent.
- Avoid Medications: Do not take bentonite clay within two hours of taking any medications or supplements, as it can interfere with their absorption and effectiveness.
- Consult a Professional: Always consult with a healthcare provider before starting any new supplement, particularly if you have pre-existing health conditions or are pregnant or nursing.
Potential Risks and Adverse Effects
While generally considered safe when used properly, oral consumption of bentonite clay is not without risks.
Contamination Risks
Certain bentonite clay products have been found to contain elevated levels of heavy metals, including lead, which poses a serious health risk. The FDA has issued warnings regarding contaminated products. Always verify the source and ensure the product is tested for purity.
Digestive Issues
Improper hydration or excessive consumption can lead to constipation or, in rare cases, intestinal obstruction. Its absorbent nature can also interfere with the absorption of important nutrients and electrolytes.
Unproven Claims
It is important to note that many of the claimed benefits lack robust human clinical evidence. While anecdotal reports are numerous, and animal studies are promising, more research is needed to fully understand the effects of oral bentonite clay in humans.
Conclusion
For those wondering what are the benefits of taking bentonite clay orally, the primary potential advantages center on detoxification and digestive health due to its powerful adsorptive properties. The clay can bind to and help remove toxins and heavy metals from the body, while also assisting with issues like constipation and bloating. However, it is essential to proceed with extreme caution and ensure you are using a food-grade product from a trusted, tested source to avoid harmful heavy metal contamination. Due to the limited human research and potential for interactions with medications and nutrients, always consult a healthcare professional before adding bentonite clay to your regimen. As with any supplement, understanding both the promised benefits and inherent risks is crucial for safe and responsible usage. For more in-depth scientific reviews on the clay's therapeutic potential, see the study by M. Moosavi published in the Iran J Public Health.
