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Supplements - Nutrition
Potassium
NEWS:
Leading Worldwide Cause Of Cardiovascular Disease May Be Modified By Diet “A new article indicates that an increased intake in minerals such as potassium, and possibly magnesium and calcium by dietary means may reduce the risk of high blood pressure and decrease blood pressure in people with hypertension. A high intake of these minerals in the diet may also reduce the risk of coronary heart disease and stroke. Potassium, specifically, has been hypothesized as one reason for the low cardiovascular disease rates in vegetarians, as well as in populations consuming primitive diets (generous in potassium and low in sodium). In isolated societies consuming diets high in fruits and vegetables, hypertension affects only 1 percent of the population, whereas in industrialized countries which consume diets high in processed foods and large amounts of dietary sodium, 1 in 3 persons have hypertension. Americans consume double the sodium and about half of the potassium that is recommended by current guidelines.”
Low Potassium Linked To High Blood Pressure “Previous studies, including the landmark “Dietary Approaches to Stop Hypertension” study (DASH), have linked potassium deficiency to high blood pressure. The new results support this conclusion, and provide important new data on the relationship between potassium and blood pressure in a sample that was 50% African American. "Our study included a high percentage of African-Americans, who are known to consume the lowest amounts of potassium in the diet," according to Dr. Hedayati.”
Potassium may help lower blood pressure: studies “Research shows that boosting levels of potassium in the diet may lower a person's risk of developing high blood pressure and may decrease blood pressure in people who already have "hypertension."”
ARTICLES:
JOURNAL ARTICLES:
Beneficial effects of potassium on human health. (Physiol Plant. 2008) “Until recently, humans consumed a diet high in potassium. However, with the increasing consumption of processed food, which has potassium removed, combined with a reduction in the consumption of fruits and vegetables, there has been a large decrease in potassium intake which now, in most developed countries, averages around 70 mmol day-1, i.e. only one third of our evolutionary intake. Much evidence shows that increasing potassium intake has beneficial effects on human health. Epidemiological and clinical studies show that a high-potassium diet lowers blood pressure in individuals with both raised blood pressure and average population blood pressure. Prospective cohort studies and outcome trials show that increasing potassium intake reduces cardiovascular disease mortality. This is mainly attributable to the blood pressure-lowering effect and may also be partially because of the direct effects of potassium on the cardiovascular system. A high-potassium diet may also prevent or at least slow the progression of renal disease. An increased potassium intake lowers urinary calcium excretion and plays an important role in the management of hypercalciuria and kidney stones and is likely to decrease the risk of osteoporosis. Low serum potassium is strongly related to glucose intolerance, and increasing potassium intake may prevent the development of diabetes that occurs with prolonged treatment with thiazide diuretics.”
Relations between dietary sodium and potassium intakes and mortality from cardiovascular disease: the Japan Collaborative Cohort Study for Evaluation of Cancer Risks1 (American Journal of Clinical Nutrition 2008) “Conclusions: A high sodium intake and a low potassium intake may increase the risk of mortality from cardiovascular disease.”
The effects of high potassium consumption on bone mineral density in a prospective cohort study of elderly postmenopausal women. (Osteoporos Int. 2008) “CONCLUSIONS: Potassium intake shows positive association with bone density in elderly women, suggesting that increasing consumption of food rich in potassium may play a role in osteoporosis prevention.”
INTERNET SITES:
NIH - Medical Encyclopedia Hyperkalemia
NIH - Medical Encyclopedia Hypokalemia
NIH - Medical Encyclopedia Potassium in diet
NIH - Medical Encyclopedia Potassium test
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