A new analysis published in the BMJ journal Nutrition, Prevention & Health suggests that people who regularly eat more legumes and soy foods have a lower risk of developing high blood pressure.
That sounds technical, but the practical message is surprisingly simple:
- eat more beans and lentils
- include chickpeas or peas regularly
- add soy foods such as tofu, edamame (young soy beans), tempeh or soy milk if you enjoy them
The researchers pooled data from 12 long-term studies involving many thousands of people.
People eating the most legumes had about a 16% lower risk of high blood pressure.
Those eating the most soy foods had about a 19% lower risk.
What Counts in Real Life?
The study estimated the biggest benefit around:
- ~170g legumes per day
- ~60–80g soy foods per day
170g sounds like a lot, but it is roughly:
- one standard tin of beans or lentils (drained)
- or one supermarket tetrapak of beans/lentils
That could easily be:
- lentil soup
- chickpeas in a salad
- beans added to chilli or pasta sauce
- hummus with lunch
- a tofu stir fry
- edamame (young soy beans) as a snack
This is not about becoming vegetarian overnight. It is more about shifting the balance of meals over time.
Why Might This Help?
Beans, lentils and soy foods contain:
- fibre
- potassium
- magnesium
- plant compounds linked to blood vessel health
They are also filling, inexpensive and easy to add to meals.
And if you are trying to improve your diet overall, legumes are one of the easiest wins:
- black beans
- butter beans
- kidney beans
- lentils
- chickpeas
- peas
- edamame
They all count separately toward plant diversity too.
The Bigger Picture
Many of us grew up with meals centred around processed carbohydrates and meat, with vegetables added almost as decoration.
But studies like this keep pointing in the same direction:
More whole plant foods usually means better long-term health outcomes.
Not perfection. Not expensive supplements. Just more real plants appearing regularly on the plate.
Read the Research Paper
You can read the full paper here:
https://nutrition.bmj.com/content/early/2026/05/04/bmjnph-2025-001449