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Edible Algae: A Key to Lowering Blood Pressure

11/7/2025

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Story summary
  • A 2025 meta-analysis of 29 randomized controlled trials found that consuming edible algae lowers systolic blood pressure by 2.05 mmHg and diastolic blood pressure by 1.87 mmHg.
  • Doses exceeding 3 g/day produced reductions over 3 mmHg, indicating a dose-response relationship.
  • Brown algae reduced LDL and total cholesterol and improved glucose homeostasis, lowering fasting plasma glucose by 4.6 mg/dL and postprandial glucose by 7.1 mg/dL, implying seaweed may support healthy aging.