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Osteoarthritis is a degenerative disease of the articular joints characterized by the breakdown of cartilage, joint lining, ligaments, and underlying bone. Common manifestations of osteoarthritis are stiffness and pain.

In the randomized, double-blinded crossover study, 11 well-trained male athletes underwent three exhaustive exercise tests after a week of supplementation with a tomato powder, then a lycopene supplement, and then a placebo. Three blood samples (baseline, post-ingestion, and post-exercise) were taken for each of the supplements used, in order to evaluate total antioxidant capacity and variables of lipid peroxidation, such as malondialdehyde (MDA) and 8-isoprostane.