How much vitamin D3 did most heart attack survivors need to reach the target blood level?

Over half of the participants in the study required a high daily dose of 5,000 international units (IU) of vitamin D3 to reach the target blood level of 40-80 ng/mL, well above the standard 600-800 IU recommendation.

How did the Intermountain Health researchers tailor the vitamin D3 dosage for each participant?

The researchers measured each participant's vitamin D blood levels at enrollment and then adjusted their supplement dose every three months to achieve and maintain the target blood level range.

Home / Health / Vitamin D Breakthrough: Heart Attack Survivors Cut Risk of Repeat Attack by 52%

Vitamin D Breakthrough: Heart Attack Survivors Cut Risk of Repeat Attack by 52%

Q: What is the key finding of the Intermountain Health study on vitamin D and heart attacks?

The Intermountain Health study found that heart attack survivors who had their vitamin D levels closely monitored and optimized with personalized vitamin D3 supplements saw their risk of a subsequent heart attack cut by 52%.

11 Nov

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Summary

Heart attack survivors with optimized vitamin D levels saw 52% drop in repeat heart attack risk
Over half required high daily vitamin D3 doses of 5,000 IU to reach target blood levels
Researchers tailored vitamin D3 supplements for each participant based on regular blood tests

Vitamin D Breakthrough: Heart Attack Survivors Cut Risk of Repeat Attack by 52%

According to a groundbreaking new study conducted by researchers at Intermountain Health in Salt Lake City, heart attack survivors who had their vitamin D levels closely monitored and optimized with personalized vitamin D3 supplements saw their risk of a subsequent heart attack cut by 52%.

The study, which followed over 600 heart attack survivors for an average of four years, found that the majority (85%) had insufficient vitamin D levels at the start. To reach the target blood level of 40-80 ng/mL, over half of the participants required a high daily dose of 5,000 international units (IU) of vitamin D3 - well above the standard 600-800 IU recommendation.

Researchers say the key to the dramatic results was tailoring the vitamin D3 dosage for each individual based on regular blood tests, rather than using a one-size-fits-all approach. They closely monitored participants to prevent any risk of vitamin D toxicity.

In contrast, the control group receiving standard care without vitamin D management saw an 18.4% rate of major cardiac events like heart attack, stroke or death, compared to just 15.7% in the personalized vitamin D3 group. Experts believe vitamin D's anti-inflammatory and cardiovascular benefits are the driving factors behind the reduced heart attack risk.

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