If you're eating only meat on a carnivore diet, you're probably getting almost no fiber and missing key vitamins and minerals like vitamin C and potassium, which could put your health at risk over time.

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Evidence from Studies

Supporting (1)

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Carnivore Diet: A Scoping Review of the Current Evidence, Potential Benefits and Risks

Narrative Review

Human

2026 Jan 21

The study looks at the carnivore diet and finds it can lack important nutrients like vitamins and fiber, just like the claim says.

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No contradicting evidence found

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Source Study

Carnivore Diet: A Scoping Review of the Current Evidence, Potential Benefits and Risks

Score: 1

DOI: 10.3390/nu18020348

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People who eat low-carb, high-fat diets tend to eat way less fiber than vegans, vegetarians, or meat-eaters, and only 8% of them get enough fiber — but they still get enough vitamins because they take supplements.

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