The name says it all - "Stonebreaker"
This high quality product is a highly concentrated extract of chanca piedra (Phyllanthus niruri). The Spanish name of the plant, chanca piedra, means 'stone breaker' or 'shatter stone'. It was named for its effective use by generations of Amazonian indigenous peoples in eliminating gallstones and kidney stones. In Brazil, the plant is known as quebra-pedra or arranca-pedras (which also translates to 'break-stone')

How successful is Chanca piedra in expelling stones?
Dr. Wolfram Wiemann of Nuremburg Germany reviewed over 100 case studies,
he found the herb 94% successful in eliminating stones and further more found that
Chanca piedra is helpful in preventing stones from forming.

Raintree's Chanca piedra has been sustainably harvested in the Amazon Rainforest and the capsules are 100% pure natural herb without any binders, fillers or additives.

Chanca piedra was also Featured in this HSI article. This is a must read for anyone considering Chanca Piedra as a treatment.

Indications: For kidney stones and gall stones (active stones and as a preventative); to tone, balance, strengthen, detoxify and protect the kidneys and to reduce uric acid and increase urination; to tone, balance, strengthen, detoxify, and protect the liver (and to balance liver enzymes)

Ingredients: 100% pure chanca piedra whole herb (Phyllanthus niruri) extracted in distilled water and 40% vegetable glycerine.

Dosage: Take 60 drops 2 or more times daily or as directed by a health care professional.

Contraindications: None reported.

Drug Interactions: None reported; however, it might potentiate antihypertensive, diabetic, and diuretic drugs.

Other Observations:

Chanca piedra has been documented to reduce blood pressure in animal studies. Individuals with low blood pressure should be monitored for this possible effect.

Chanca piedra has been documented with female antifertility effects in one mouse study. The use of the plant is probably contraindicated in women seeking pregnancy.
This plant has demonstrated hypoglycemic activity in animal studies. Individuals with hypoglycemia should be monitored more closely for this possible effect.

Chanca piedra is also available in capsule form.