Harmonic Arts Klear Kidney - Bolster kidney function and ease urinary tract discomfort with Klear Kidney tincture. A herbal blend featuring Juniper Berry, Uva Ursi and Cornsilk, diuretic herbs traditionally used to stimulate and purify the kidneys and liver. Try Harmonic Arts Kidney Klear tincture blend if you’re experiencing infection or inflammation of the urinary tract.