The Best Way to Lower Blood Pressure Isn’t What You Think

If you’ve been told that lowering your blood pressure requires eating less salt, you’re not alone.

For decades, salt was the scapegoat for high blood pressure, and slashing sodium was the go-to advice from every conventional doctor in the country.

But new research is finally confirming what I—and many other natural health advocates—have said for years…

Potassium is the real hero when it comes to healthy blood pressure.

A recent study published in the American Journal of Physiology–Renal Physiology took a closer look at how potassium and sodium interact in the body—and the findings are eye-opening.

According to researchers, boosting potassium levels may have a stronger blood pressure-lowering effect than simply cutting sodium alone.

Potassium helps your body naturally flush out excess sodium and relaxes your blood vessels to reduce pressure.

In other words, instead of obsessing over how much salt is in your food, you may want to pay more attention to how much potassium you’re getting.

Using detailed mathematical models, the researchers simulated different potassium-to-sodium ratios in the body and found that no matter the sodium intake level, blood pressure dropped consistently when potassium went up.

The models showed that men experienced slightly more benefit than premenopausal women—a finding that tracks with what we already know about how blood pressure tends to increase significantly in women after menopause.

When you eat a high-sodium diet—especially if it’s full of processed foods—your body retains water, your blood volume increases, and your blood pressure rises.

Over time, this can damage blood vessel walls, increase inflammation, and contribute to arterial plaque buildup.

Potassium, on the other hand, works as nature’s blood pressure valve. It helps your kidneys push out excess sodium through urine, improves circulation, and allows blood vessels to relax.

But most Americans—especially older adults—don’t get nearly enough potassium. While the American Heart Association recommends 3,500 to 5,000 milligrams daily, most people fall far short.

That’s why I recommend a whole-food diet loaded with potassium-rich foods—because if you’re not supporting your mineral balance, no amount of medication is going to fix the problem.

Bananas might get all the attention, but they’re not the only source of potassium—not by a long shot. You’ll get even more potassium from lentils, spinach, potatoes, salmon, apricots, and yogurt.

And let’s not forget dark leafy greens and beans, which also deliver a solid dose of magnesium and fiber to support cardiovascular health even further.

If you’ve been prescribed blood pressure medication—or are trying to avoid it—this is one of the most impactful diet changes you can make.

And remember, potassium supplements aren’t always the safest route, especially if you have kidney issues. Real food is the way to go.

Start simple. Add spinach to your morning eggs. Swap white bread for a lentil-based wrap. Add a baked potato or a handful of dried apricots as an afternoon snack.

For too long, the medical world has focused on sodium restriction as the silver bullet for blood pressure. But the reality is far more nuanced—and more hopeful.

Potassium doesn’t just balance out sodium—it actively improves the way your cardiovascular system functions. And unlike prescription drugs, potassium-rich foods come with a side of fiber, antioxidants, and healthy fats.

This isn’t about extreme dieting. It’s about making intentional, sustainable swaps that help your body work the way it was designed to. And for most people, it’s not only easier than counting milligrams of sodium—it’s a whole lot more satisfying.

P.S. The shocking sleep factor that’s damaging your blood vessels.

View Sources

Stadt, M., & Layton, A. T. (2025). Modulation of blood pressure by dietary potassium and sodium: sex differences and modeling analysis. American Journal of Physiology-Renal Physiology, 328(3), F406–F417.