Viratane™ tablets, provided by Douglas Laboratories®, provide standardized extracts of both olive leaf (Olea europa) and the prickly pear cactus leaf (Opuntia streptacantha). FUNCTIONS Viratane provides natural immune system support through the combined action of olive leaf extract (Olea europa) and prickly pear cactus leaf extract (Opuntia streptacantha). Olive Leaf Extract (Olea europa): Olives, prominent in Mediterranean diets, have long been associated with a variety of health benefits. Numerous phytochemicals found throughout the olive tree are largely responsible for these benefits. Of particular interest is oleuropein, a bitter phenolic glycoside. Oleuropein is one of the predominant polyphenolic compounds found in the fruit, leaves, bark, and root of the olive tree. It is known for its ability to guard the plant against infective organisms and as an antioxidant. The elenolic acid component of oleuropein has been identified as one of the primary agents responsible for broad-spectrum protective properties of the olive plant. In vitro tests have found that oleuropein prevents low density lipoprotein oxidation and inhibits platelet aggregation, in part through its inhibitory effect on proaggregatory prostaglandins. Prickly Pear Cactus Leaf Extract (Opuntia streptacantha): Recent research indicates that, like the olive tree, Opuntia strepacantha, the particular species of prickly pear cactus in Viratane, has natural properties which protect the plant from deleterious microorganisms. INDICATIONS Viratane tablets, which provide a potent combination of olive leaf extract and prickly pear cactus extract, may be a beneficial nutritional supplement for individuals who wish to naturally support their immune system. FORMULA (VRC) Each tablet contains: Olive leaf, dried extract, (min. 10% oleuropein) ...........................500 mg Prickly pear cactus leaf, dried extract .........400 mg SUGGESTED USE 1 to 2 tablets twice daily or as directed by a physician. SIDE EFFECTS No adverse effects have been reported. STORAGE Store in a cool, dry place, away from direct light. Keep out of reach of children. REFERENCES Ahmad, A, Davies, J et al. Antiviral properties of extract of opuntia streptacantha. Antiviral Res 1996;30:75-85. Petroni, A, Blasevich, M, et al. Inhibition of platelet aggregation and eicosanoid production by phenolic components of olive oil. Thromb Res 1995 Apr 15;78(2):151-160. Tranter, HS, Tassou, SC, and GJ Nychas. The effect of the olive phenolic compound, oleuropein, on growth and enterotoxin B production by Staphylococcus aureus. J Appl Bacteriol 1993 Mar:74(3):253-259. Visioli, F, Bellosta, S, and C Galli Oleuropein, the bitter principle of olives, enhances nitric oxide production by mouse macrophages. Life Sci 1998;62(6):541-546. Visioli, F and C Galli. Oleuropein protects low density lipoprotein from oxidation. Life Sci 1994;55(24):1965-1971. These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease. |
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