AlkaVision GreenShield™ Greens is one of the best green drink products on the market. GreenShield™ is a blend of 100% organic ingredients grown around the world, dehydrated at low temperatures and are preserved in their original state. GreenShield is the only product on the market with clay in it. Drinking a chlorophyll rich beverage has been found to benefit your entire body including blood. GreenShield™ does not contain any: Spirulina, Algae or Roots, Corn or Mushrooms, Fruits or sugar, Yeast, Dairy or Eggs, No preservatives, No artificial color or flavor.