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the claim
Humans cannot obtain adequate nutrition without eating meat.
the verdict
INSUFFICIENT LEANING
Recorded sources
0 sources for · 2 against
Is it true that humans cannot obtain adequate nutrition without eating meat?
Unclear. Two peer-reviewed sources partially bear against the claim: a systematic review found plant-based dieters met protein requirements, and a 2025 study found a vegan EAT-Lancet diet fell short on iodine in many countries. Neither settles whether meat is required for adequate overall nutrition.
Verdict: PARTIAL LEAN · 0 sources for, 2 against · Last checked
Evidence against · 2
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Nicol, K., Lynch, K., Nugent, A., Woodside, J., Hart, K., & Bath, S. (2025). Eating within planetary boundaries – can the EAT-Lancet reference diet provide adequate iodine?. doi.org. https://doi.org/10.1017/s0029665125101134
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More against · 1
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Nutrient Intake and Status in Adults Consuming Plant-Based Diets Compared to Meat-Eaters: A Systematic Review - PMC Lock. (n.d.). pmc.ncbi.nlm.nih.gov. https://doi.org/10.3390/nu14010029
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