Higher Legume and Soy Intake Linked to Lower Hypertension Risk
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A new analysis of long-term studies suggests eating more legumes and soy foods is associated with a lower risk of developing high blood pressure. People with the highest intake of these foods saw a 16-19% reduction in risk compared to those with the lowest intake. Researchers concluded there is a probable causal relationship between higher consumption and lower hypertension risk.
Facts First
- Highest legume intake linked to 16% lower hypertension risk compared to lowest intake.
- Highest soy food intake linked to 19% lower hypertension risk compared to lowest intake.
- Risk reduction increased up to ~170g of legumes daily, reaching about 30%.
- Most benefit from soy appeared at 60-80g daily, lowering risk by roughly 28-29%.
- Researchers cite a probable causal relationship between higher intake and lower hypertension risk.
What Happened
An analysis published in BMJ Nutrition Prevention & Health reviewed data from 12 long-term observational studies conducted in the US, Europe, and Asia. The research, which included studies published through June 2025, found that people with the highest legume intake were 16% less likely to develop high blood pressure (hypertension) than those with the lowest intake. For soy foods, the risk reduction was 19%. The analysis included data from studies with participant counts ranging from 1,152 to 88,475 and cases of hypertension ranging from 144 to over 35,000.
Why this Matters to You
If you are concerned about blood pressure, this research suggests that increasing your daily intake of foods like beans, lentils, chickpeas, and tofu could be a practical dietary strategy. The analysis indicates that eating around one cup (roughly 100 grams) of cooked legumes or a palm-sized serving of tofu daily is a useful benchmark. This may be particularly relevant given that average legume intake in Europe and the UK (8-15 grams/day) is well below the 65-100 grams/day recommended for overall cardiovascular health. Incorporating these foods could be a straightforward way to leverage their potassium, magnesium, and dietary fiber content, which researchers note may help blood vessels relax.
What's Next
The researchers... have concluded there is a probable causal relationship between higher intake of these foods and lower hypertension risk. This finding could influence future dietary guidelines and public health recommendations. Further research may be needed to refine optimal intake levels and to understand how different preparation methods and overall diet patterns interact with these benefits.