It's 100% Pure gum spiritsTurpentine and there's a company in south Georgia that produces it. Other kinds have chemical additives. It is also taken with castor oil. A few drops of turp up to a 1/2 teaspoon mixed with one teaspoon of castor oil. Some people have used a little Sugar to attract the parasites to the turpentine. I only took it twice so far but let me tell you, it helps poor circulation in the legs and feet. I think my varicose veins are starting to retreat. No GI distress, nausea, or die-off reaction so far. If you have a heavy metal issue, candida feeds on the metals. I would recommend pure sodium thiosulphate (used in photo developing) orally and 20 mule team borax baths. God bless.