Analysis Version
v1
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causal
Analysis v1
Strong Support

Eating walnuts instead of other fats won't make you gain weight, even though they're high in calories.

72
Pro
0
Against

Evidence from Studies

Supporting (4)

72

Community contributions welcome

67

Effects of walnut consumption on blood lipids and other cardiovascular risk factors: a meta-analysis and systematic review.

Systematic Review With Meta-Analysis
Human
2009 Jul

The study found that people who ate walnuts every day didn’t gain weight, even though walnuts are high in calories.

52

Nut Consumption and Weight Gain in a Mediterranean Cohort: The SUN Study

Cohort Study
Human
2007 Jan

The study found that people who ate nuts regularly were less likely to gain a lot of weight over time, even though nuts are high in calories. This supports the idea that eating nuts like walnuts won’t make you gain weight.

51

Does regular walnut consumption lead to weight gain?

Randomized Controlled Trial
Human
2005 Nov

The study found that people who ate walnuts every day didn’t gain much weight, even though walnuts are high in calories. The weight change was so small it could have been due to chance.

1

Pharmacological effect of walnuts consumption on metabolic syndrome: a current view

Narrative Review
Human

The study looked at people who ate walnuts and found they didn’t gain weight—in fact, they lost a bit. Even though walnuts are high in calories, eating them didn’t make people heavier.

Contradicting (0)

0

Community contributions welcome

No contradicting evidence found

Gold Standard Evidence Needed

According to GRADE and EBM methodology, here is what ideal scientific evidence would look like to definitively prove or disprove this specific claim, ordered from strongest to weakest evidence.

Similar Assertions

Eating walnuts might help adults lose body fat, maintain muscle, and improve their overall body composition, which could be good for their metabolism.

1
0
85%

If you're overweight, eating walnuts might help lower your bad cholesterol and fats in your blood more than if you're at a normal weight.

28
0
83%

Eating walnuts doesn’t make adults gain weight over several weeks—even though they’re high in calories, studies show no real change in weight or BMI.

67
0
82%

If you eat about a handful of walnuts every day for six months, you might gain only half a pound — way less than you'd expect from the extra calories, which probably means you end up eating less of other foods without realizing it.

51
0
80%

If you're overweight and have metabolic health issues, eating walnuts or cashews for 8 weeks might help your body, but if you don't lose weight, those benefits could be hidden.

48
0
80%

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