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When you eat less salt and more potassium-rich foods at the same time, your blood pressure drops more than if you just cut salt or just add potassium alone.

Evidence from Studies

Supporting (1)

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The contribution of sodium reduction and potassium increase to the blood pressure lowering observed in the Salt Substitute and Stroke Study

Computational/Algorithm Study
2024 Apr

The study found that switching to a salt with more potassium and less sodium lowered blood pressure a lot — and most of that drop came from the extra potassium, not the less sodium. This means doing both together works better than just one alone, which is exactly what the claim says.

Contradicting (0)

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No contradicting evidence found

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Source Study

The contribution of sodium reduction and potassium increase to the blood pressure lowering observed in the Salt Substitute and Stroke Study

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DOI: 10.1038/s41371-024-00896-4

Similar Assertions

When you eat less salt and more potassium-rich foods at the same time, your blood pressure drops more than if you just cut salt or just add potassium by itself.

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98%

Cutting back on salt can lower blood pressure, but sometimes it doesn’t do much at all—why? It depends on the person, how you measure it, and how much potassium they eat.

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85%

When people who don’t eat much potassium switch to salt with extra potassium, their blood pressure drops mostly because they’re getting more potassium—not because they’re eating less salt, since they’re still eating plenty of salt.

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85%

If you eat less salt but add more potassium to it, your blood pressure might drop more if you usually don’t get much potassium in your diet—because your body gets a bigger boost from the potassium than it loses from the sodium.

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85%

When people used a special salt substitute with less sodium and more potassium, their blood pressure dropped more than scientists expected just from lowering salt — suggesting the extra potassium might be helping out in a way that’s more than just adding two effects together.

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83%