Eating about a handful of walnuts every day for six weeks might help lower bad cholesterol and fats in the blood for healthy older people, but more walnuts don’t seem to make the effect stronger.

0

Pro

64

Against

Evidence from Studies

Supporting (0)

0

Community contributions welcome

No supporting evidence found

Contradicting (1)

64

Community contributions welcome

64

Chronic and acute effects of walnuts on antioxidant capacity and nutritional status in humans: a randomized, cross-over pilot study

Randomized Controlled Trial

Human

2010 May 12

The study looked at how walnuts affect antioxidants in older adults, not cholesterol or fats in the blood, so it doesn't show whether walnuts lower cholesterol like the claim says.

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.

Source Study

Chronic and acute effects of walnuts on antioxidant capacity and nutritional status in humans: a randomized, cross-over pilot study

Score: 64

DOI: 10.1186/1475-2891-9-21

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