This is a tincture of two types of USDA Organic Devil's Claw, Harpagophytum procumbens and Harpagophytum zeyheri that has been purchased from an established vendor of organic plants here in the USA. The plant is extracted in 80 proof alcohol for 90 days, with a ratio of 1 part plant to 3 parts alcohol. The product is available in amber glass dropper bottles.
