Vitamin K2 supplement shows promise for stroke recovery in new trial

NCT ID NCT06817512

Ongoing Symptom relief Sponsor: Harbin Medical University Source: ClinicalTrials.gov ↗

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study tests whether taking vitamin K2 supplements for one year can improve muscle strength and brain function in people who recently had an ischemic stroke. 190 participants will receive either vitamin K2 or a placebo daily. Researchers will measure handgrip strength and other outcomes over 12 months, with an additional year of follow-up.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance: Vitamin K2 (MK-7) supplement
What this could lead to: If it works, this could point toward a simple, safe supplement to help people regain muscle and brain function after a stroke.
What could go wrong: This is a small, early-stage trial with no phase designation. The supplement may show no benefit over placebo, and results may not apply to all stroke patients.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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Conditions

The condition(s) this trial relates to.

ischemic stroke

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

ISCHEMIC STROKE

Contacts and locations

Locations

Hongqi Hospital Affiliated to Mudanjiang Medical University

Mudanjiang, Heilongjiang, 157000, China
The First Affiliated Hospital of Harbin Medical University

Harbin, Heilongjiang, 150001, China
The Second Affiliated Hospital of Qiqihar Medical University

Qiqihar, Heilongjiang, 161006, China

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