Analysis Version
v1
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mechanistic
Analysis v1
Strong Support

Even though walnuts have a lot of unsaturated fats, they also have enough antioxidants to protect your 'bad' cholesterol from damage.

72
Pro
0
Against

Evidence from Studies

Supporting (3)

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 eating walnuts boosts the body’s antioxidant defenses and lowers bad cholesterol, which suggests they help protect the heart even though they’re high in certain fats.

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 shows that even though walnuts add fats that could oxidize, they don’t increase signs of damage and briefly boost the body’s antioxidants, which supports the idea that walnuts help protect against oxidative harm.

54

Moderate walnut consumption improved lipid profile, steroid hormones and inflammation in trained elderly men: a pilot study with a randomized controlled trial

Randomized Controlled Trial
Human
2021 Jun

The study found that eating a small amount of walnuts every day for six weeks improved heart health markers like bad cholesterol and inflammation in older men who exercise. This suggests walnuts are good for you, even though they have a lot of certain fats.

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 can make the 'bad' cholesterol in your blood healthier by filling it with good fats, without making it more likely to cause damage—like adding armor instead of fuel to a fire.

61
0
89%

Eating walnuts can help lower bad and overall cholesterol levels in people.

67
47
80%

Swapping out bad fats like butter or fried food fats with healthy fats from walnuts can help your liver make less cholesterol and clear more 'bad' cholesterol from your blood.

67
85
79%

Eating walnuts might help your heart by reducing inflammation, improving blood vessel health, and lowering stress on your body's cells.

1
0
79%

Eating walnuts can help lower bad cholesterol (LDL) in adults by about 5.7 points on average, and this seems to work whether your cholesterol is already normal or high.

39
0
77%

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