For overweight women, eating two servings of lean beef a day for a week doesn’t change key blood markers related to heart disease or diabetes risk, compared to eating the same diet without meat.

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Against

Evidence from Studies

Supporting (1)

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Effect of Including Lean Red Meat in a Plant-Based Dietary Pattern on Biomarkers of Cardiometabolic Disease Risk

Randomized Controlled Trial

Human

Scientists gave overweight women a healthy plant-based diet for a week, with or without two servings of lean beef each day. They checked lots of health markers and found no difference between the two diets—so adding the beef didn’t hurt or help any of the numbers they measured.

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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

Effect of Including Lean Red Meat in a Plant-Based Dietary Pattern on Biomarkers of Cardiometabolic Disease Risk

Score: 46

DOI: 10.1152/physiol.2024.39.s1.826

Similar Assertions

Lean beef can be part of a healthy plant-based diet without hurting your heart or blood sugar markers — at least in the short term for overweight women.

46

0

75%

If you eat lean red or white meat instead of beans, nuts, or tofu—while eating a lot of saturated fat—your bad cholesterol levels tend to go up, which might be worse for your heart, no matter what kind of meat it is.

0

72%