Simple supplement may sharpen aging brains, new trial hopes to prove

NCT ID NCT07338682

First seen Jan 24, 2026 · Last updated May 12, 2026 · Updated 16 times

Summary

This study tests whether taking L-arginine, a common amino acid supplement, can improve thinking and memory in people over 60 with mild to moderate cognitive issues. Participants will take either L-arginine or a placebo daily for 4 weeks, with regular check-ins. The goal is to see if this simple approach can safely support brain health in older age.

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Contacts and locations

Locations

  • Neurology Department, Al-Azhar University Hospitals

    RECRUITING

    Cairo, Egypt

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

Conditions

Explore the condition pages connected to this study.