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Tailored Vitamin D3 Cuts Repeat Heart Attack Risk by 50%

11/10/2025

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Summary

Story summary

At the American Heart Association Scientific Sessions 2025, the study found that tailored vitamin D3 supplementation reduced the risk of a repeat heart attack by half among adults who had recently suffered a myocardial infarction.
The trial enrolled 630 participants, mostly males around 63 years old, with low vitamin D levels, and dosing was adjusted to individual needs.
The study results are pending peer review.

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Story summary

At the American Heart Association Scientific Sessions 2025, the study found that tailored vitamin D3 supplementation reduced the risk of a repeat heart attack by half among adults who had recently suffered a myocardial infarction.
The trial enrolled 630 participants, mostly males around 63 years old, with low vitamin D levels, and dosing was adjusted to individual needs.
The study results are pending peer review.