Written by: Merilee Kern, MBA • July 1, 2025• Health + Wellness

3 Essential Supplements for a Healthy Heart

Nutrigenomics Science Expert Dr. Kendal Stewart reveals can benefit the most from these heart-healthy supplements

Heart disease is a major concern today, and for good reason. It remains the leading cause of death worldwide, responsible for approximately 17.9 million deaths each year, which accounts for around 32% of all global deaths, according to the World Health Organization. In the United States, nearly 128 million adults—or about 48.6% of the adult population—are living with some form of cardiovascular disease. In 2022 alone, 702,880 Americans died from heart disease, making up roughly 1 in every 5 deaths. High blood pressure, affecting nearly 47% of U.S. adults, and metabolic conditions such as type 2 diabetes and prediabetes—which impact approximately 57% of Americans—are among the most significant risk factors. These figures underscore the critical importance of prioritizing heart health through prevention, early intervention, and lifestyle changes.

“While eating well and staying active are essential, adding the right supplements can give your heart an extra boost,” says Dr. Kendal Stewart, a board-certified neurotologist and founder of Neurobiologix—a nutritional supplements company rooted in the cutting-edge science of nutrigenomics. “But with so many options out there, it can be confusing to know what’s best. Supporting your heart health can be as simple as adding CoQ10, L-Arginine, and Vitamin D3 + K2 to your routine.”

Below, Dr. Stewart’s details what he believes to be the three most powerful supplements that can support your heart and keep it in great shape.

CoQ10 – Heart Energy Boost: As you age, your body produces less CoQ10, an antioxidant that fuels your heart’s energy. Supplementing with CoQ10 helps your heart pump efficiently and keeps you energized.
L-Arginine – Better Circulation: L-Arginine relaxes and widens your blood vessels, improving blood flow and easing the strain on your heart. It’s especially helpful for managing blood pressure and promoting healthy circulation.
Vitamin D3 + K2– Protect Your Arteries: This duo works to direct calcium to your bones, keeping it out of your arteries. It helps prevent artery blockages while supporting overall heart and bone health.

He says these supplements offer a simple yet powerful way to boost your heart’s performance and protect your cardiovascular health.

Who Should Consider These Supplements?

According to Dr. Stewart, those who can benefit the most from these heart-healthy supplements include the following groups:

Older Adults: As we age, our natural CoQ10 levels drop, making it harder for the heart to keep up. CoQ10 and Vitamin D3 + K2 can help support heart function as we get older.
People with High Blood Pressure: L-Arginine can help lower blood pressure by improving circulation, making it an excellent option for those looking to manage their blood pressure naturally.
Active Individuals and Athletes: For those who exercise frequently, CoQ10 and L-Arginine can support muscle recovery and help keep the heart pumping efficiently during intense workouts.
Statin Users: If you’re taking statins (cholesterol-lowering drugs), you may want to consider CoQ10. Statins can lower your body’s natural CoQ10 levels, so supplementing can help maintain your energy and heart health.

Whether you want to improve circulation, manage blood pressure, or just give your heart a little extra love, these supplements work together to keep your cardiovascular system running smoothly.

“While these supplements can provide a great boost, they work best when paired with other heart-healthy habits and lifestyle changes,” notes Dr. Stewart. “Eat a balanced diet of fruits, veggies, and lean proteins, and maintain a healthy weight to reduce strain on your heart. Regular exercise like walking or light strength training helps keep your heart strong. Control blood sugar and blood pressure by eating well and staying active.”

Dr. Stewart goes on to advise that it’s crucial to avoid common pitfalls like consuming too much salt, which can raise blood pressure and strain your heart. “Limiting salty snacks and processed foods helps,” he says, “Additionally, smoking and heavy drinking significantly increase the risk of heart disease, so cutting back—or better yet, quitting—can make a big difference in improving heart health. Lastly, manage stress and stay positive—your heart will thank you.”

Combine these supplements with a heart-healthy lifestyle—such as a balanced diet, regular physical activity, and effective stress management—and you’ll be taking meaningful steps toward improving your cardiovascular health. As with any new addition to your wellness routine, be sure to consult your healthcare provider to ensure the supplements are safe and appropriate for your individual needs.
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Merilee Kern, MBA is an internationally-regarded brand strategist and analyst who reports on cultural shifts and trends as well as noteworthy industry change makers, movers, shakers and innovators across all categories, both B2C and B2B. This includes field experts and thought leaders, brands, products, services, destinations and events. As Founder, Executive Editor and Producer of “The Luxe List,” Merilee is a prolific business, lifestyle, travel, dining and leisure industry voice of authority and tastemaker. She keeps her finger on the pulse of the marketplace in search of new and innovative must-haves and exemplary experiences at all price points, from the affordable to the extreme. Her work reaches multi-millions worldwide via broadcast TV (her own shows and copious others on which she appears) as well as a myriad of print and online publications. Connect with her at www.TheLuxeList.com / Instagram www.Instagram.com/MerileeKern / Twitter www.Twitter.com/MerileeKern / Facebook www.Facebook.com/MerileeKernOfficial / LinkedIN www.LinkedIn.com/in/MerileeKern.

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