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Trusted Quality For Over 40 Years

Founded in 1980, Yerba Prima is oldest, most trusted manufacturer of fiber & wellness products in the United States.

Supplements Manufactured & Tested in the USA

Yerba Prima is based in the Rogue River valley of Southern Oregon, a rugged natural setting know known for its fruit and salmon-filled mountain lakes and rivers.

GMP Certified & FDA Inspected Facility

Yerba Prima is regulated by Food and Drug Administration and the United States Department of Agriculture.

GMP Certified in Dietary Supplements by NSF International.

Powerful Detox Supplements

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• INCLUDES: one (1) 32 ounce Great Plains Bentonite that provides strong detoxification in the digestive tract
• BENEFITS: Yerba Prima Great Plains Bentonite Clay 32oz provides strong detoxification in the digestive tract, with the ability to bind with unwanted substances by adsorbent action.
• POWERFUL: made with the most powerful detoxifying bentonite, known technically as montmorillonite. It is a natural clay mineral of volcanic origin, created from volcanic ash deposits that are millions of years old.
• QUALITY: Yerba Prima uses only food grade and USP/NF pharmaceutical grade bentonite that has been through a water-washing four-step purification process.
• MADE LOCALLY: in Ashland, Oregon. Yerba Prima has been the go-to source for cleansing supplements by over 100,000 customers. Add to the cart today because you deserve to feel your best.