1 oz Milk Thistle/Silybum marianum Extract Prepared from mature seeds of Silybum marianum plants which are Custom Wildcrafted in their natural wild at. Dry seed / extract ratio: 1 : 1 Contains grain alcohol, distilled water & Milk Thistle extractives. Suggested use: SHAKE WELL BEFORE USING Take 30 to 40 drops in water 2 to 4 times per day.