B12 Review Points To Stroke Prevention As Top Benefit

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Medical News Today reports on a Nutrition Journal review examining whether vitamin B12 supplements can prevent major cardiovascular events, including heart attacks. The review found that supplements did not consistently prevent those events, while the strongest evidence of a possible benefit concerned stroke prevention. First author Dr. Ameer Awashra of An-Najah National University says large randomized trials have not shown consistent reductions in heart attacks, even though B12 supplements can lower homocysteine levels. The report explains what researchers assessed and why lab results do not always match patient outcomes. Disclosure: This video contains stock footage and content created or enhanced using AI-assisted tools.

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00:00A new review finds that vitamin B12 supplements do not consistently prevent heart disease,

00:05Medical News Today reports.

00:07However, the strongest evidence of a possible benefit was in stroke prevention.

00:12The review was published in Nutrition Journal.

00:15Researchers looked at past studies of vitamin B12 and cardiovascular health.

00:19Earlier observational studies linked low B12 levels with a higher risk of heart disease.

00:25But clinical trials have not consistently shown that correcting B12 levels prevents heart attacks or strokes.

00:31First author Dr. Amir Awashra of Anaja National University explained why.

00:36B12 supplements can lower homocysteine, a marker linked to cardiovascular risk.

00:41Yet large, randomized trials have not shown consistent drops in heart attacks.

00:46He said improving a lab measurement does not always mean better clinical outcomes.

00:50The researchers say the stroke benefit may depend on a person's underlying health.

00:55Disclosure, this video contains stock footage and content created or enhanced using AI-assisted tools.

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