Eating fewer carbs lowers a specific fat in your blood that your body makes from sugar, and this happens no matter if you eat butter or olive oil.

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Pro

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Against

Evidence from Studies

Supporting (1)

59

Community contributions welcome

59

Limited Effect of Dietary Saturated Fat on Plasma Saturated Fat in the Context of a Low Carbohydrate Diet

Randomized Controlled Trial

Human

2010 Oct

The study gave people low-carb diets with either lots of butter or lots of olive oil, and in both cases, a specific fat in the blood (palmitoleic acid) went down—meaning the body made less new fat, no matter what kind of fat they ate.

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Source Study

Limited Effect of Dietary Saturated Fat on Plasma Saturated Fat in the Context of a Low Carbohydrate Diet

Score: 59

DOI: 10.1007/s11745-010-3467-3

Similar Assertions

If you eat less saturated fat (like butter) and more unsaturated fat (like olive oil) while staying on a low-carb diet, your blood fat levels drop by about 11.5% and your body shows less signs of cellular stress.

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Eating a diet low in fat and high in carbs makes the body less able to clear fat from the blood, causing triglyceride levels to rise sharply.

31

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