Algae power: could seaweed and spirulina protect your heart?

NCT ID NCT07173062

First seen Nov 01, 2025 · Last updated May 14, 2026 · Updated 38 times

Summary

This study tests whether taking algae supplements (spirulina or seaweed) for 20 weeks can improve markers of heart health and change gut bacteria in 150 adults aged 50+ with conditions like heart disease, diabetes, or kidney disease. Participants are randomly assigned to receive spirulina, seaweed, or a placebo. The goal is to see if these algae can lower harmful substances in the blood linked to heart problems and boost helpful gut microbes.

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Contacts and locations

Study contacts

  • Contact

    Phone: •••-•••-•••• Email: •••••@•••••

  • Contact

    Phone: •••-•••-•••• Email: •••••@•••••

Locations

  • Unidade Local de Saúde de São João

    RECRUITING

    Porto, 4200-319, Portugal

    Contact Phone: •••-•••-•••• Email: •••••@•••••

    Contact

Conditions

Explore the condition pages connected to this study.