Ibuleve Speed Relief Max Strength Gel Ibuleve Speed Relief Max Strength Gel is used to treat musculoskeletal conditions including muscular back-ache, muscular pain, rheumatic pain, aches, pains, swellings, sprains, strains & sports injuries in adults & children over 12 years of age. Ibuleve Speed Relief Max Strength Gel contains ibuprofen, a non-steroidal anti-inflammatory drug (NSAID) that works by relieving pain & reducing swelling & inflammation.