Key result
Vitamins, minerals, antioxidants, L-arginine, grape juice, and specific commercial supplements promoted reductions in systolic blood pressure by up to 27 mmHg and diastolic blood pressure by up to 15 mmHg.
Why the study?
Do specific foods, nutrients, and supplements reduce blood pressure in prehypertensive and hypertensive subjects?
Systematic Review
Do specific foods, nutrients, and supplements reduce blood pressure in prehypertensive and hypertensive subjects?
Various nutrients, foods, and supplements such as vitamins, minerals, L-arginine, and grape juice can significantly reduce blood pressure and may enrich DASH diet recommendations.
Supports adjunctive nutrient supplementation in hypertension; extends DASH recommendations with quantified nonpharmacologic BP reductions.
Although the dietary approaches for stop hypertension (DASH) is well established and effective in reduction of blood pressure, in recent years, new scientific studies have indicated that specific food, nutrients isolated from foods, and even commercial food supplements are not covered by DASH. In this research, these nutrients were evaluated through a review using the databases of PubMed with the terms “dietary supplements and blood pressure” without a limit of date. Vitamins (C, D, and E) and minerals (potassium and copper) promote the greatest reductions in BP, around 7 to 14 mmHg for systolic blood pressure (SBP) and 4 to 5 mmHg for diastolic blood pressure (PAD). Antioxidants reduce SBP and DBP in 3 to 27 mmHg and 3 to 4 mmHg, respectively. Among the amino acids, only L-arginine was effective in promoting reduction of 20 and 15 mmHg for SBP and DBP, respectively. In food, the grape juice promoted the highest reductions in SBP and DBP, around 8 mmHg and 6 mmHg, respectively. Finally, for commercial supplements, the fermented milk product GAIOR, the grain salba, and fish oil promoted reductions of about 4,4; 6; and 5 mmHg and 3,4; 3; and 1 mmHg for SBP and DBP, respectively. Therefore, new nutrients, foods, and supplements can enrich the recommendations of the DASH.
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Brito et al. (2013) conducted a systematic review in Prehypertension and hypertension. Specific foods, nutrients, and commercial supplements was evaluated on Reduction in systolic and diastolic blood pressure. Vitamins, minerals, antioxidants, L-arginine, grape juice, and specific commercial supplements promoted reductions in systolic blood pressure by up to 27 mmHg and diastolic blood pressure by up to 15 mmHg.
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