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Brain fog is a term used to describe impaired cognitive functioning. Many conditions can cause brain fog, such as hypothyroidism and chronic fatigue syndrome, making a formal diagnosis imperative in finding the right treatment. The use of herbs, nutritional supplements and other measures can help speed the removal of harmful substances from the body to potentially fight brain fog.

Detoxification Aids

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The liver's ability to filter toxic substances is vital to the functioning of other organs, such as the brain. According to, milk thistle protects the liver from harmful toxins and may even help spur the growth of new liver cells. In addition to its diuretic properties, dandelion root helps stimulate the flow of bile in the liver and can be helpful during detoxification, especially when taken with milk thistle.

Supplements with diuretic and laxative properties help speed detoxification via the colon and urinary tract. Dandelion root, uva ursi and B-complex vitamins increase the production of urine, while psyllium seed, aloe vera juice and senna help promote regular bowel movements.

Other herbs that may be beneficial during a detoxification regimen include garlic, burdock root and turmeric.

Stimulating Herbs

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Stimulants are substances that increase energy and alertness. Both yerba mate and green tea are valued for their gentle stimulant properties. They contain compounds called polyphenols, which can help prevent free radical damage in cells, according to Korean ginseng and guarana are also popular for their stimulant properties.

While not actually a stimulant, gingko biloba can improve cognition via its circulatory effects. According to, gingko may be effective in slowing the cognitive deficits caused by Alzheimer's disease and aging. It is thought to work by increasing blood flow to the brain and other organs, thereby providing them with more oxygen. The recommended daily dose of gingko for improving cognitive functioning is 120 mg to 240 mg, according to

Additional Tips and Advice

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Eat plenty of fresh, organic fruits and vegetables during your detox, while avoiding heavy meals high in fat and refined carbohydrates. Some people choose to fast during detoxification, though it may not be safe or necessary for everyone.

Because the skin is the body’s largest organ of elimination, activities that increase perspiration are of great help in detoxification. Vigorous exercise and use of a sauna are two excellent ways to sweat out toxins that may be affecting brain function. Exfoliating after a workout or sauna session can help clear the skin’s top layers of toxins and dead cells.


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Some herbs and supplements can cause dangerous interactions when taken with certain medications. To avoid serious side effects, talk to your doctor before trying an at-home detox for brain fog.

About the Author

Tracii Hanes

Based in Las Vegas, Tracii Hanes is a freelance writer specializing in health and psychology with over seven years of professional experience. She got her start as a news reporter and has since focused exclusively on freelance writing, contributing to websites like Wellsphere, Education Portal and more. She holds a Bachelor of Arts in communication arts from Southwestern Oklahoma State University.