Planetary Herbals Stone Free, 820 mg - 90 Tablets by Planetary Herbals. $8.18. Planetary Herbals Stone Free, Gall Bladder & Kidney Supplement, is a unique combination designed to support the kidneys, liver and gallbladder. Dandelion root and turmeric root are bitter substances which support the body's normal bile flow. Gravel root, parsley root and marshmallow root have been used historically for supporting normal fluid elimination.. Save 37%!