The Claim

In overweight and obese adults following a calorie-restricted diet, daily consumption of 28–42 grams of walnuts (providing approximately 15% of total energy) results in similar weight loss compared to a standard reduced-energy-density diet, but produces significantly greater reductions in low-density lipoprotein cholesterol by 9 mg/dL and sustained lower systolic blood pressure at 6 months.

Source: Walnut consumption in a weight reduction intervention: effects on body weight, biological measures, blood pressure and satiety

What the research says

Supports is higher

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Supports
76score
Challenges
0score

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Cause and effect
1 study reviewed
In plain English

Overweight and obese adults who eat 28–42 grams of walnuts daily while on a calorie-restricted diet lose the same amount of weight as those on a standard low-energy-density diet, but experience a 9 mg/dL greater reduction in LDL cholesterol and lower systolic blood pressure after 6 months.

See the scientific wording

In overweight and obese adults following a calorie-restricted diet, daily consumption of 28–42 grams of walnuts (providing approximately 15% of total energy) leads to similar weight loss as a standard reduced-energy-density diet, but results in significantly greater reductions in low-density lipoprotein cholesterol (LDL-C) by 9 mg/dL and sustained lower systolic blood pressure at 6 months, suggesting walnuts enhance cardiovascular risk reduction without compromising weight loss outcomes.

Why this might work

Eating walnuts adds specific fats to the diet that get absorbed and used by the liver to remove bad cholesterol from the blood, while also helping blood vessels relax by making more nitric oxide, which keeps blood pressure lower over time.

Verified mechanismbased on 1 study

What the research says

1 study

  1. Study: Walnut consumption in a weight reduction intervention: effects on body weight, biological measures, blood pressure and satiety

    When overweight people eat fewer calories and add a handful of walnuts every day, they lose just as much weight as those who don’t eat walnuts—but their bad cholesterol drops more and their blood pressure stays lower over time.

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Not medical advice. For informational purposes only. Always consult a qualified healthcare professional before making health decisions.