Eating More Tomatoes Might Help Prevent and Manage High Blood Pressure, Study Suggests

 Eating More Tomatoes Might Help

 Prevent and Manage High Blood

 Pressure, Study Suggests

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Forget apples—eating a tomato a day might be beneficial for heart health.

The news comes from a study published last month in the European Journal of Preventive Cardiology, which found that tomatoes and tomato-based products could play a role in helping to prevent and manage high blood pressure.1

Tomatoes—popular nightshade vegetables—are rich in potassium, a nutrient known to help lower blood pressure by lessening the effects of sodium in the body. They also play a key role in many heart-healthy diets.

“Tomatoes are one of the most consumed, widely available, and affordable vegetables worldwide,” study co-author Rosa Maria Lamuela-Raventos, PharmD, director of the Institute for Research on Nutrition and Food Safety at the University of Barcelona, told Health. “They are an important part of some of the best diets, including the Mediterranean diet.”

Here’s what to know about the role tomatoes might play in managing high blood pressure and how to best reap the nightshade vegetable’s benefits.

Eating More Tomatoes Linked to Reduced Hypertension Risk

For the new study, more than 7,000 Spanish adults at high risk of cardiovascular disease completed questionnaires about their lifestyles and health status, as well as dietary habits, which included tomato consumption.

Daily tomato consumption included eating raw tomatoes or tomato products, like tomato sauce and gazpacho (a cold Spanish tomato soup). Participants’ tomato consumption was categorized into four groups, based on serving size:

• Lowest (<44 grams)
• Intermediate (44–82 grams)
• Upper-intermediate (82–110 grams)
• Highest (>110 grams)
  

The study showed an inverse relationship between tomato consumption and hypertension risk in the lowest and intermediate groups, and a significant association was seen in the highest group. Higher tomato consumption decreases hypertension risk by 36%, and even moderate consumption has a blood pressure-lowering effect, according to the research.1

There were less significant changes in blood pressure seen in those participants with higher blood pressures. The authors suggest this could be due to the fact that these people were older and had longer-standing high blood pressure and other risk factors, making significant change more difficult.

Why Eat Tomatoes for Heart Health?

Tomatoes were the target of this research because they are easy to find and relatively inexpensive, making them common in a number of diets all over the world.

Tomatoes are also a recommended food by the American Heart Association (AHA) for reducing hypertension mainly because they are high in potassium.2

“There’s a huge amount of data that suggests higher potassium intake leads to lower blood pressure,” said Gregory Katz, MD, a cardiologist at NYU Langone Health. “It’s not clear whether that’s because potassium intake is a proxy for a general healthful diet or because potassium intake is a good proxy for a reduced sodium diet or whether potassium by itself is all that matters.”

The recommendation to reduce sodium and increase potassium is a well-established lifestyle modification for reducing the risk of hypertension. Increasing consumption of potassium-rich tomatoes is one effective way to increase dietary potassium.3

In addition to potassium, tomatoes are also a good source of lycopene. Lycopene is a carotenoid that has a number of benefits for the cardiovascular system, including antioxidant, anti-inflammatory, anti-atherogenic, and antiplatelet effects. Research shows that these features also give lycopene significant antihypertensive properties.

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