Tailored Doses of Vitamin D Halve Heart Attack Risk

Key Takeaways

Vitamin D might help heart disease patients avoid a heart attack

Patients taking vitamin D had their heart attack risk cut in half

However, the doses were tailored to help them reach a specific recommended blood level of vitamin D

WEDNESDAY, Nov. 12, 2025 (HealthDay News) — Vitamin D might help people with heart disease avoid a heart attack , if it’s provided in a dose tailored to you by a doctor, a new study says.

Folks provided vitamin D reduced their risk by more than half, researchers reported Sunday at the American Heart Association’s annual meeting in New Orleans.

But there’s a catch — people weren’t downing supplements on their own, but taking custom doses designed to optimize the vitamin D levels in their blood, researchers said.

“We encourage people with hea