A continuous glucose monitor and an A1C test can tell surprisingly different stories about the same person, and the gap between them is where the real information often lives. By Charles Kirkland, …
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Can You Lower A1C Without Medication? What the Evidence Shows
One of the largest diabetes prevention trials ever run found something genuinely surprising: structured lifestyle change outperformed a proven medication. Here's what it actually found, and what it …
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How Often Should You Check Your A1C?
The right testing interval depends entirely on which category you're in, and testing too often can be just as unhelpful as testing too rarely. By Charles Kirkland, Founder, Metabolic Clarity …
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Why A1C Can Be Wrong: Conditions That Affect Accuracy
A1C assumes your red blood cells behave in a fairly typical way. When that assumption breaks, the number can be meaningfully wrong, and most people never find out why. By Charles Kirkland, Founder, …
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A1C vs. Fasting Glucose vs. Oral Glucose Tolerance Test: Comparing the Three Diabetes Tests
Three tests, three different thresholds, and no guarantee they land you in the same category. Here's what each one actually measures and why picking just one can miss the picture. By Charles …
The Complete Guide to A1C
A1C is the number most people fixate on and understand least. Here is the complete picture: what it measures, the three ranges, what it converts to in everyday glucose terms, and where the number …