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

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Synopsis

Source of validity: Scientific
Rating (out of 5): 4

DHA (docosahexaenoic acid), an omega-3 fatty acid found primarily in fish oil, is scientifically validated for its modest beneficial effects on blood pressure, particularly in individuals with hypertension. Multiple randomized controlled trials and meta-analyses have examined the impact of omega-3 fatty acids—including DHA and EPA—on blood pressure. A 2014 meta-analysis published in the American Journal of Hypertension concluded that omega-3 supplementation can reduce systolic and diastolic blood pressure, with greater effects observed in people with untreated hypertension. The blood pressure-lowering effect is believed to be mediated by several mechanisms, including improved endothelial function, reduced vascular resistance, and anti-inflammatory actions.

While both EPA and DHA are typically studied together, some research suggests DHA may have a stronger effect on blood pressure compared to EPA. For example, a study in the journal Hypertension Research (2009) found that DHA supplementation led to a significant reduction in both systolic and diastolic blood pressure in mildly hypertensive men. The effect size is generally small (e.g., reductions of 2-5 mmHg), but clinically meaningful, especially when combined with other lifestyle interventions.

Overall, the use of DHA for supporting healthy blood pressure is supported by moderate to strong scientific evidence, with most professional guidelines recognizing omega-3 fatty acids as a beneficial adjunct for cardiovascular health, including blood pressure management.

More about DHA
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algal oil
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fruit and vegetable blend (proprietary)
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Products containing DHA

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