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Almond consumption was found to significantly reduce systolic blood pressure.
A systematic and dose-response meta-analysis review study was carried out. The researchers thoroughly searched through PubMed/MEDLINE, Web of Science, and Scopus, with no restrictions on time or language, up until July 2019. The goal was to identify randomized controlled trials which investigated the effects of almond consumption on systolic and diastolic blood pressure. A total of fifteen studies, with 21 arms and involving 853 participants, were selected and their findings analyzed according to the PRISMA guidelines.
Upon analysis, it was observed that the consumption of almonds displayed a significant reduction effect on systolic blood pressure. However, no such significant effect was found on diastolic blood pressure. The variation in results for diastolic blood pressure was noticed to be linked to the dose of almonds consumed, a finding made through a meta-regression analysis carried out during the study.
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Almond intake significantly decreased diastolic blood pressure, and inconsistently, almonds decreased systolic blood pressure.
2020 Complementary Therapies in Medicine The effect of almond intake on blood pressure: A systematic review and meta-analysis of randomized controlled trials Eslampour E, Asbaghi O, Hadi A, Abedi S, Ghaedi E, Lazaridi AV, et al.
Systematic Review Almond Diastolic Blood Pressure High Blood Pressure
The evidence from this meta-analysis suggest that almonds may have beneficial effects on the BP. Based on the current scientific knowledge, it could be encouraged to include them, as part of a healthy diet in order to reduce the risk of hypertension.66 It should be noted that results cannot be generalized to those with other health problems, such as liver disease and cancer that were not included in this analysis.
We found that almonds might have a considerable favorite effect in BP and especially in DBP, and it could be encouraged as part of a healthy diet; however due to the high calorie content, the intake should be part of healthy diet.
Montmorency tart cherry juice intake can significantly lower systolic blood pressure in men with early hypertension, with improvements linked to phenolic acids.
2016 The American Journal of Clinical Nutrition Effects of Montmorency tart cherry (Prunus Cerasus L.) consumption on vascular function in men with early hypertension Keane KM, George TW, Constantinou CL, Brown MA, Clifford T, Howatson G
Randomised Controlled Trial Cardioprotective Effects Cherry High Blood Pressure
In a carefully controlled, blinded, crossover study employing a randomized Latin square design, fifteen male participants showing early signs of hypertension were given either a 60-mL dose of Montmorency tart cherry (MC) concentrate or a placebo. A recovery period of at least 14 days was allowed between tests to eliminate lingering effects from the previous test. Observations centred on microvascular reactivity, arterial stiffness, blood pressure, and phenolic acid absorption, and these were collected at designated intervals before and up to eight hours after consuming the MC concentrate or placebo.
The analysis of the data revealed that consumption of the MC concentrate resulted in a significant reduction in systolic blood pressure in comparison to the placebo, reaching maximum impact two hours after intake. Crucially, this positive effect was found to coincide with an increase in circulating protocatechuic and vanillic acid 1-2 hours post consumption. Thus, it is suggested that the benefits of MC for cardiovascular health, particularly for blood pressure control, can be directly attributed to the influence of these circulating phenolic acids.