Percal is a concentrate intended for inflammation of the joints, swelling in the joints and tendons, and pain in the joints and tendons. Medical activity: *Purifies and cleanses the blood. *Anti-inflammatory. *Cleanses various deposits. *Pain reliever. *Strengthens the body. *Reduces swelling in the joints and tendons. Herbal concentrate 'Percal' by Adir Marom Instructions for use: Take 7 drops in a little water twice a day, a break on Shabbat. Increase gradually.