Clean Review's ingredients are:

• Bentonite
  Bentonite is a natural clay - although the thought of eating clay for health seems odd to some people, bentonite has actually been used medicinally for centuries by various traditional medicine disciplines.
  
  Bentonite is one of the most effective detoxifying agent for the intestine - it is able to absorb much of the toxins in the gastrointestinal tract while remaining inert or undigested.
  
  
• Psyllium Seed Husk
  Psyllium is derived from the seed of a Plantago plant. It is a bulk-forming fiber rich in mucilage (a thick gluey plant substance that can soothe and protect irritated and inflammed intestinal tissues). Psyllium absorbs water to keep the stool hydrated and soft - this causes a reflex contraction in the bowel that promotes emptying.
  
  
  Studies have also suggested that psyllium can lower total cholesterol level.
  
  
• Apple Pectin
  Pectin is found in plant cell walls and in the outer skin and rinds of vegetables and fruits (in this case, apples). Pectin has gel-forming characteristics that have mild laxative and cholesterol-lowering properties.
  
  
• Diatomaceous Earth
  Food grade diatomaceous earth is a safe and non-toxic material that can destroy intestinal parasites.
  
  
• Wheat Grass
  Wheat grass is a young wheat plant - its juice has been used as health food for decades and for a good reason: one ounce of wheat grass juice has the vitamin and mineral equivalent of more than 2 lbs. of fresh vegetables!
  
  Among its many health benefits, wheat grass can actually help remove toxic metals from cells.
  
  
• Chamomile Flower
  Chamomile is widely used in herbal and tincture preparations, with the main purpose of treating gastrointestinal complaints. Indeed, the antispasmodic property of chamomile can relax spastic or cramping intestinal muscles.
  
  
• Cascara Sagrada Bark or Buckthorn Bark
  Cascara sagrada is derived from the bark of the buckthorn tree. It has a mild laxative effect by increasing the strength of contractions of the intestinal muscles.
  
  
• Ginger Root
  Besides its use as a spice, ginger has amazing medicinal qualities. It has long been used to treat migraines, motion sickness, nausea and vomiting.
  
  For the gastrointestinal tract, ginger has a couple medicinal properties: it can stimulate the production of bile and help the tone as well as the function of the small and large intestines.
  
  
• Marshmallow Root
  Marshmallow plant, the ingredient in the candy we know and love with the same name, actually is a cultivated vegetable and herb. The key active ingredient in marshmallow is mucilage, a goey and gel-like substance that can soothe and protect inflamed mucous membranes and other digestive tissues.
  
  
• Butternut Root Bark
  Similar to rhubarb, butternut is a mild laxative and cathartic. Additionally, its has antiseptic qualities and has been traditionally used to remove tapeworm.
  
  
• Goldenseal Root
  Goldenseal has been used by native American tribes for a variety of ailments. Today, scientists attribute goldenseal's healing powers to its active ingredient, a plant alkaloid called berberine.
  
  Goldenseal's berberine has an anticancer and antibiotic property that can also stimulate the immune system. Goldenseal can help flush away bacteria from the urinary tract.
  
  
• Gentian Root
  Gentian is a bitter-tasting digestive stimulant that is used in herbal medicine as a digestive aid. It can stimulate the production of gastric digestive juices and bile, as well as the production of saliva. Gentian can also promote the emptying of the stomach.
  
  
• Rhubarb Root
  Besides its use in pie recipes, rhubarb also has medicinal properties: it helps stimulate the digestive process by encouraging the production of bile salts. As a traditional medicine, rhubarb has been used for the treatment of constipation, diarrhea, gastrointestinal problems, and more.
  
  
• Acidophilus Lactobacillus
  Acidophilus is a natural flora species found in our digestive tract. Considered a "probiotic", acidophilus helps maintain intestinal health and serves as a natural antibiotic.
  
  When taken regularly, acidophilus can help ease irritable bowel syndrome, control diarrhea, fight urinary tract infections and more.
  
  

Select Scientific References

• Moreno LA et al. Psyllium fibre and the metabolic control of obese children and adolescents. J Physiol Biochem 2003; 59(3):235-42.
• Thakur BR et al. Chemistry and uses of pectin - a review. Crit Rev Food Sci Nutr 1997; 37(1):47-73.
• Grzanna R et al. Ginger - an herbal medicine product with broad anti-inflammatory actions. J Med Food 2005; 8(2):125-32.
• Hwang BY et al. Antimicrobial constituents from goldenseal (the rhizomes of hydrastis canadensis) against selected oral pathogens. Planta Med 2003; 69(7):623-7.
• Docampo and Moreno SN. The metabolism and mode of action of gentian violet. Drug Metab Rev 1990; 22(2-3):161-78.
• Feng S. Mechanism of rhubarb in preventing the occurrence of gastrointestinal function failure. Zhongguo Zhong Xi Yi Jie He Za Zhi 2000; 20(10):795-7.
• Mital BK and Garg SK. Anticarcinogenic, hypocholesterolemic, and antagonistic activities of Lactobacillus acidophilus. Crit Rev Microbiol 1995; 21(3):175-214.