Swanson Devils Claw is a food supplement in capsules designed to supplement the daily diet of adults. The recommended daily dose of the preparation allows you to provide the body with 500 mg of anchovy powder. Devils Claw in Swanson® capsules - properties Hookwort ( Harpagophytum spp.), also called devils claw or devils claw, is a plant from southern Africa. It owes its unusual name to the unique appearance of the hooked, claw-like fruits. Hakośl is valued for its health-promoting potential, which is still being discovered. Devils Claw 500 mg from Swanson ® is just 1 capsule per day to supplement your diet with a valuable ingredient of natural origin. A pack of 100 will last over three months of daily use.