Nurofen Long Lasting Pain Relief 300mg Prolonged Release Capsules allows you to enjoy up to 12 hours without any back pain. Containing the active ingredient Ibuprofen, the capsules have been designed to slowly release ibuprofen into your body and to reduce the inflammation, which will ease your painful symptoms and provide back pain relief. These back pain relief capsules are to be used for those suffering with back, rheumatic and muscular pain, with the powerful solution giving lasting relief to your symptoms, allowing you to live your life pain free. Please note that results may vary.