T-Relief = Total Relief. Relieves muscle, joint and nerve pains. Great for sore backs, painful knees, sciatica, arthritis pain, muscle soreness, neck pain, TMJ pain, shin splints, etc. Extra Strength. This formula has 50% more of each of the 13 powerful plants in regular T-Relief. T-Relief has Arnica, a plant that has relieved pain for centuries plus 12 pain-relieving plants to provide more relief to more pains.