Review Article
Supplements and Foods with Potential Reduction of Blood Pressure in Prehypertensive and Hypertensive Subjects: A Systematic Review
Table 2
Descriptive statistics for variables in supplementation.
| | | Studies | Minimum | Maximum | Mode |
| | Vitamins and minerals |
| | Dosage | 15 | 1 | 4 | 1 x ao dia (8 studies) | | Supplementation time | 15 | 4 | 16 | 8 weeks (5 studies) | | Reduction in SBP | 15 | 2.0 | 12.0 | 8 mmHg (2 studies) | | Reduction in DBP | 15 | 1.0 | 10.0 | 6 mmHg (2 studies) |
| | Antioxidants components |
| | Dosage | 5 | 1 | 3 | 2 x ao dia (2 studies) | | Supplementation time | 5 | 4 | 12 | 6 weeks (2 studies) | | Reduction in SBP | 5 | 3.0 | 18.0 | 4 mmHg (2 studies) | | Reduction in DBP | 5 | 5.0 | 7.0 | 4 mmHg (2 studies) |
| | Aminoacids and proteins |
| | Dosage | 3 | 1 | 4 | — | | Supplementation time | 3 | 3 | 12 | — | | Reduction in SBP | 3 | 1.0 | 10.0 | — | | Reduction in DBP | 3 | 3.0 | 6.0 | — |
| | Foods in nature |
| | Dosage | 4 | 1 | 4 | 1 x/day (2 studies) | | Supplementation time | 4 | 4 | 8 | 8 weeks (3 studies) | | Reduction in SBP | 4 | 3.0 | 15.0 | 8 mmHg (2 studies) | | Reduction in DBP | 4 | 4.0 | 6.0 | 4 mmHg (2 studies) |
| | Commercial supplements |
| | Dosage | 13 | 1 | 3 | 1 x/day (7 studies) | | Supplementation time | 8 | 4 | 12 | 6 weeks (5 studies) | | Reduction in SBP | 8 | 6.0 | 8.0 | 5 mmHg (2 studies) | | Reduction in DBP | 13 | 4.0 | 8.0 | — |
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SBP: systolic blood pressure. DBP: diastolic blood pressure.
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