oPC's are known to stabilize and protect collagen (a major protein in the body) from free radical damage and enzymatic digestion.oPCXtra is totally bioavailable, water soluble and delivered in an isotonic solution, the way nature intended it to be. This product is delivered to the small intestines within five minutes, when taken as directed.oPCXtra is a super antioxidant drink mix made from a combination of six major sources of bioflavonoids. Four of the sources - Grape Seed Extract, Red Wine Extract, Pine Bark Extract and Green Tea Extract - supply a group of powerful antioxidant bioflavonoids called Oligomeric Proanthocyanidins (OPC).bioflavonoids are complex organic plant compounds found mostly in fruits and vegetables. They function as a cofactor or helper to the body's immune system to respond to inflammation, allergy and infection.oPC's are known to stabilize and protect collagen (a major protein in the body) from free radical damage and enzymatic digestion.

isotonic is used to describe solutions for human consumption, it means of the same fluid pressure as body fluids. Tears, blood plasma, lymph and other body fluids are all isotonic. The solutions of food that enter the small intestine for absorption and utilization are made isotonic in the stomach by the body.Isotonix supplements come in a tasty powered form and when mixed with water form the Isotonix solutions.unlike many calcium supplements exist in the marketplace, Isotonix tm Calcium Plus is in powder form, mixes with the right amount of water (i.e. room or cool temperature), will has the same pressure of human body fluid, offer the fastest and most efficient delivery of oral forms of nutritional supplementation. It allows more product nutrient be absorbed into the blood stream more quickly (10-15 minutes for 95-98% absorption).Its natural orange flavor is superior to the chalky taste of typical chewable wafers or tablets, providing you with an efficient and cost effective calcium solution.isotonic is used to describe solutions for human consumption, it means of the same fluid pressure as body fluids. Tears, blood plasma, lymph and other body fluids are all isotonic. The solutions of food that enter the small intestine for absorption and utilization are made isotonic in the stomach by the body.Isotonix supplements come in a tasty powered form and when mixed with water form the Isotonix solutions.unlike many calcium supplements exist in the marketplace, Isotonix tm Calcium Plus is in powder form, mixes with the right amount of water (i.e. room or cool temperature), will has the same pressure of human body fluid, offer the fastest and most efficient delivery of oral forms of nutritional supplementation. It allows more product nutrient be absorbed into the blood stream more quickly (10-15 minutes for 95-98% absorption).Its natural orange flavor is superior to the chalky taste of typical chewable wafers or tablets, providing you with an efficient and cost effective calcium solution.isotonic is used to describe solutions for human consumption, it means of the same fluid pressure as body fluids. Tears, blood plasma, lymph and other body fluids are all isotonic. The solutions of food that enter the small intestine for absorption and utilization are made isotonic in the stomach by the body.Isotonix supplements come in a tasty powered form and when mixed with water form the Isotonix solutions.