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OPC-3 Antioxidant*
OPC-3 helps to maintain healthy cholesterol levels, maintain healthy circulation, maintain joint flexibility, promote/support cardiovascular health, reduce mild menstrual cramping and abdominal pain, support visual health/visual acuity.

MARKET AMERICA ISOTONIX® OPC-3 (Earn CashBack On Selected Products)



Antioxidants are substances that may protect your cells against the effects of free radicals. Free radicals are molecules produced when your body breaks down food, or by environmental exposures like tobacco smoke and radiation. Free radicals can damage cells, and may play a role in heart disease, cancer and other diseases.

Antioxidant substances include

  • Beta-carotene
  • Lutein
  • Lycopene
  • Selenium
  • Vitamin A
  • Vitamin C
  • Vitamin E

Antioxidants are found in many foods. These include fruits and vegetables, nuts, grains, and some meats, poultry and fish.

OPC,  formally know as  oligomeric proanthocyanidin, is a powerful antioxidant product that is best absorbed by the body in an isotonic form.  


The ONLY isotonic form is Market America's product called Isotonix® OPC-3, which, when mixed with the directed amount of water, bears the same chemical resemblance of the body’s blood, plasma and tears. Isotonix dietary supplements allow nutrients to pass directly into the small intestine and be rapidly absorbed into the bloodstream for rapid distribution.


How to take OPC-3

Each capful of OPC-3™ contains 125 milligrams of bioflavonoids, of which 75 milligrams are oligomeric proanthocyanidins in an isotonic-capable base. That means that the active ingredients will be delivered in the highest concentration to the small intestine, where most absorption of nutrients occurs. To start using OPC-3™ for its benefit as an antioxidant and free radical scavenger, take two level capfuls for every 75 pounds of body weight for the first seven days. This is referred to as the saturation dosage.

Then, switch to a daily dosage of one capful, per 75 lbs. of body weight, as a maintenance dose. For example, if you weigh 190 pounds, you would take five (5) servings of OPC-3™ per day for seven days, then switch to two or three servings per day for long-term health maintenance. Any excess of OPC-3™ will have no bad side effects, since OPC-3™ is non-toxic and any excess is eliminated by the body.

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