Quality: 100% pure devil's claw (Harpagophytum procumbens) from Namibia. Quality according to the European Pharmacopoeia. Harpagoside content at least 1.9%. Not an extract, but the complete active ingredient spectrum of the root. Our organic devil's claw is certified by EcoCert Organic and Fair-for-Life. The secondary storage roots are sustainably harvested. No exploitation of nature! Environmentally friendly bottled in a glass bottle with a metal lid. No plastic! The devil's claw (Harpagophytum procumbens) grows exclusively in the Kalahari Desert in southern Africa. It has been used for centuries by the indigenous people to relieve physical ailments.