Dr. Rhonda Patrick Explains How Oats Clear Forever Chemicals

Health & Wellness Nutrition Environmental Health

Aug 14, 2026 · 3 min read

Dr. Rhonda Patrick Explains How Oats Clear Forever Chemicals

Oats contain a type of fiber, beta-glucans, that may help clear 'forever chemicals' (PFAS) from the body, according to recent studies—making oats a potentially useful tool to combat these persistent environmental toxins.

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Forever Chemicals: How Oats and Beta-Glucans Aid in Clearing Them from the Body

Forever chemicals, officially known as per- and polyfluoroalkyl substances (PFAS), are a group of man-made chemicals that have garnered significant attention due to their persistence in the environment and the human body. These chemicals can take an alarmingly long time to excrete—anywhere from two to five years. However, recent research has uncovered a promising natural solution: beta-glucans, a type of fermentable fiber found in oats and mushrooms.

Context: Understanding Forever Chemicals

PFAS chemicals are notorious for their widespread use in various industries, including non-stick cookware, water-repellent clothing, and firefighting foams. Their durability and resistance to degradation make them extremely persistent in the environment and within the human body. Once ingested, these chemicals can accumulate over time, posing potential health risks.

The Role of Beta-Glucans

Beta-glucans are a class of soluble fibers found naturally in oats and mushrooms. These fibers have gained attention for their potential health benefits, including cholesterol-lowering properties. Recent studies have revealed an additional benefit: their ability to aid in the excretion of PFAS from the body.

Studies on Beta-Glucans

Research has shown that beta-glucans help facilitate the excretion of PFAS in animals. This discovery is significant because PFAS chemicals are typically difficult to clear from the body. The mechanism by which beta-glucans work is thought to involve their ability to bind to PFAS molecules, making them more soluble and easier to eliminate through natural bodily processes.

Human Applications

While the initial studies focused on animal models, there is evidence to suggest that the same mechanism could apply to humans. For instance, a cholesterol-lowering drug that functions similarly to beta-glucans has been shown to clear PFAS from the human body. This parallel provides a strong indication that incorporating beta-glucans into the diet could offer similar benefits for human health.

Practical Tips for Incorporating Beta-Glucans

Given the potential benefits of beta-glucans in aiding the excretion of PFAS, incorporating them into your diet can be a straightforward and natural way to promote overall health.

Daily Consumption

Add oats to your daily diet. Oats are a rich source of beta-glucans and can be easily incorporated into your meals. Whether it's a bowl of oatmeal for breakfast or oats in your baking, there are numerous ways to include this fiber-rich food in your daily routine.

Mushroom Varieties

Mushrooms are another excellent source of beta-glucans. Opt for varieties like shiitake, maitake, and reishi, which are known for their high beta-glucan content. These mushrooms can be used in various dishes, from soups and stews to stir-fries and salads.

Important Takeaways

The discovery that beta-glucans can aid in the excretion of PFAS from the body is a significant breakthrough. This natural solution offers a promising way to counteract the harmful effects of these persistent chemicals. By incorporating oats and mushrooms into your diet, you can take advantage of the health benefits provided by beta-glucans while potentially reducing the burden of PFAS in your body.

Conclusion

The presence of forever chemicals in the environment and human body is a growing concern. However, natural solutions like beta-glucans offer hope. By understanding the role of beta-glucans in aiding the excretion of PFAS and incorporating them into your diet, you can take proactive steps toward better health. Simple dietary changes, such as adding oats and mushrooms to your meals, can make a significant difference in managing the impact of these persistent chemicals.

Summary

Key points

  • Forever chemicals, or PFAS, can take 2 to 5 years to be excreted from the human body.
  • Beta-glucans, a type of fermentable fiber found in oats and mushrooms, may help in clearing PFAS from the body.
  • Beta-glucans bind to PFAS molecules, making them more soluble and easier to eliminate.
  • A cholesterol-lowering drug with similar functions to beta-glucans has shown to clear PFAS from the human body.
  • Incorporating oats and mushrooms into daily meals can increase beta-glucan intake.
Answers

FAQ

Forever chemicals, or PFAS, are man-made substances used in various industries for their durability. They are a concern because they persist in the environment and the human body, taking years to excrete and potentially causing adverse health effects. They can interfere with the immune system and are linked to various health issues.

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