Devils Claw obtained its name because its fruit has large woody hooks, which appear from the ground like a clawed hand. These hooks are how this plant spreads it seed, as they attach to passing animals. However, this method of seed dispersal can cause irritation to the animals, after becoming lodged in the mouth, feet, or hooves. Devils Claw, also known as Harpogophytum procumbens is found mainly in Africa, where it has a long history of use in traditional medicine. Natures Aid JointEeze Devils Claw is a traditional herbal used for the relief of backache, rheumatic or muscular pain, and general aches and pains in the muscles and joints. Exclusively based upon long standing use as a traditional remedy. You can take JointEeze alongside other medicines you may be using for pain relief, but if you should consult with your doctor or qualified healthcare practitioner if your condition worsens, or you have seen no improvement after 4 weeks. Each Natures JointEeze film-coated tablet contains 300mg of dry extract from Devil?s Claw root (Harpagophytum procumbens D.C. and/or H. Zeyheri L. Decne radix) equivalent to 1050-1500mg of Devil?s Claw root. You can be assured that JointEeze is both vegan friendly and free from common allergens such as gluten, yeast, dairy, soya, and nuts. Like all medicines JointEeze product can cause side effects for some users. Possible side effects may include nausea, abdominal pain, digestive upset, allergic reactions, and headaches. If you believe you have experienced a side effect from our JointEeze product, please report this to us via our contact form.