Vitamin D doses for heart health: What you need to know

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A recent investigation by Intermountain Health in Salt Lake City has sparked a significant conversation about the role of Vitamin D in preventing heart problems.

While it’s been long understood that low levels of Vitamin D can increase the risk of heart attacks and strokes, findings from two new studies suggest that the standard recommendations for Vitamin D intake might not be enough to protect us.

Intermountain Health’s research reveals that the amount of Vitamin D currently suggested – 600 to 800 International Units (IU) per day – falls short of what many people actually need to maintain optimal heart health.

In fact, some individuals may require more than 10,000 IU to achieve the desired Vitamin D levels. This discovery challenges the adequacy of existing guidelines and highlights the necessity for a more personalized approach to Vitamin D supplementation.

The heart of the matter lies in the realization that previous clinical trials investigating Vitamin D’s benefits for heart health might have been using doses too low to be effective.

Heidi May, PhD, an epidemiologist at Intermountain Health, suggests that this could be why those studies didn’t show a clear benefit of Vitamin D in preventing cardiac events.

The researchers advocate for a tailored treatment strategy.

Viet T. Le, a physician assistant and researcher at Intermountain, stresses the importance of individualizing Vitamin D supplementation to meet each patient’s specific needs. This approach is crucial for ensuring effective treatment and prevention strategies.

Delving into the Target-D clinical trial, which aimed to elevate patients’ 25-hydroxyvitamin D levels to above 40 nanograms per milliliter (ng/mL) after a cardiovascular event, the need for higher Vitamin D doses becomes even more apparent.

Nearly 90% of participants required supplementation to reach this goal, with a significant number needing much more than the standard recommendation. Moreover, achieving these optimal levels took several months, even with increased dosing.

These findings from Intermountain Health call for a reevaluation of how Vitamin D is utilized, particularly in research focusing on heart health.

They emphasize the shift towards personalized medicine, where the right dosage of supplements is determined for each individual, rather than relying on a one-size-fits-all guideline.

In conclusion, the studies conducted by Intermountain Health are urging a reconsideration of current Vitamin D dosing guidelines and advocating for a more customized approach to supplementation.

This could potentially lead to better strategies for maintaining heart health and preventing heart-related issues, moving away from generic guidelines and towards care that is tailored to the individual’s needs.

This research paves the way for future investigations and possibly, a new standard in heart disease prevention and treatment.

If you care about heart health, please read studies about the best time to take vitamins to prevent heart disease, and scientists find how COVID-19 damages the heart.

For more information about heart health, please see recent studies about Aspirin linked to higher risk of heart failure, and results showing Blackcurrants could improve artery functions, blood pressure in older people.

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