Evidence supporting the use of: Walnut
For the health condition: Hypertension

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Synopsis

Source of validity: Scientific
Rating (out of 5): 3

Walnuts (Juglans regia) have scientific evidence supporting their use in managing hypertension, primarily due to their rich content of polyunsaturated fatty acids (notably alpha-linolenic acid), antioxidants, and other bioactive compounds. Several clinical studies and meta-analyses have investigated the effects of walnut consumption on blood pressure. A 2019 meta-analysis published in the Journal of the American Heart Association found that diets enriched with walnuts were associated with modest but statistically significant reductions in both systolic and diastolic blood pressure in adults, particularly among those at risk of cardiovascular disease. The proposed mechanisms include improved endothelial function, reduction of inflammation, and modulation of arterial stiffness, all of which can positively impact blood pressure regulation.

However, while the evidence suggests a beneficial effect, it is important to note that the blood pressure-lowering impact of walnuts is generally modest and most pronounced when walnuts are included as part of an overall heart-healthy diet (such as the Mediterranean diet) rather than as a standalone intervention. The American Heart Association recognizes nuts, including walnuts, as part of a healthy diet for cardiovascular risk reduction, which includes controlling hypertension. In summary, moderate scientific evidence supports the use of walnuts as a dietary adjunct to help manage hypertension, particularly when incorporated into a balanced, healthful eating pattern.

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Other ingredients used for Hypertension

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Products containing Walnut

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