The Claim

Improved health status, particularly through reduced oxidative stress and enhanced cellular integrity, can prolong red blood cell lifespan, leading to increased cumulative glycation of hemoglobin and consequently higher HbA1c levels, even in the presence of normal or improved glycemic control.

Source: Layne Norton Warns: The Carnivore Diet Causes Diabetes

What the research says

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Supports
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Challenges
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These are independent scores, not a percentage. Higher-grade studies count more, so a single strong opposing study can outweigh several weaker ones.

How it works
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In plain English

If your body is healthier and your red blood cells live longer, your HbA1c blood sugar test might show higher levels — not because your blood sugar is high, but because the sugar has more time to stick to older red blood cells.

See the scientific wording

Improved health status, particularly through reduced oxidative stress and enhanced cellular integrity, can prolong red blood cell lifespan, resulting in higher HBA1C readings due to increased cumulative glycation despite normal or improved glycemic control.

Score breakdown, mechanism chain, raw evidence, ideal studies needed

Fit Body Science verdict — we translate health claims into clear verdicts backed by peer-reviewed research.

Not medical advice. For informational purposes only. Always consult a qualified healthcare professional before making health decisions.