Vitamin C can Lower Blood Pressure. A study examining vitamin C at a dose of 500 mg and its relationship with blood pressure at 1,400 adults, aged 22 - 74 years. Vitamins are taken over a period of 8 weeks. This study found that vitamin C can lower systolic blood pressure an average of 5 points, and diastolic blood pressure an average of 1.7 points.Although this study provides evidence that vitamin C supplements can lower blood pressure, but further research is needed on the implications of its use, said Miller, associate professor in the faculty of medicine at Johns Hopkins University, Baltimore, the science of medicine. Bias found in this research is that some people have been taking hypertension medication during the study.
Fruits and vegetables such as oranges, grapes, pineapple, and kiwi are a natural food source for antioxidants. Doses of vitamin C from food recommended minimum is 75mg/day for adult women, and 90mg/day for adult men. As for the supplements, the maximum safe dose is 2,000 mg / day.
