o Any other natural health products or dietary supplements, with the exception of vitamins and minerals with dose of < 600 mg/day of vitamin E and containing no vitamin K. Natural health products or dietary supplements include products such as, but not limited to, Echinacea, Ginseng, St. John's Wort, Gingko, Glucosamine, Fish Oil supplements, Evening Primrose Oil, Green Tea or other herbal products consumed in the form of pills, extracts, capsules, or tablets. If the participant agrees to stop taking these products 14 days prior to study entry and for the duration of the study, they can participate in the study