An A1C level between 5.7% and 6.4% is considered prediabetes. Glycated hemoglobin (A1C) test In general: An A1C level below 5.7% is considered normal. Stronger inverse associations were observed in subjects 18-44 years of age (p = 0.0017), as well as in female (p = 0.0035) and Mexican American (p = 0.0149) subgroups. Results: Vitamin C concentrations were inversely associated with A1c (p = 0.0202). For many people with type 2 diabetes, the goal is to lower A1C levels to a healthier percentage. Type 2 diabetes is diagnosed when the A1C is at or over 6.5 percent. An A1C between 5.7 and 6.4 percent signals prediabetes, according to the ADA. Is 6.8 A1C good?Īccording to the ADA, A1C level below 5.7 percent is considered normal. “While the American Diabetes Association guidelines specify that diabetes can be diagnosed based on fasting plasma glucose (FPG), the OGTT, or the A1c, our findings confirm that reliance on A1c remains the least reliable method for assessing diabetes risk.” Can Stress Affect Your A1c?Īcute stress can increase endogenous glucose production and impair glucose utilization however, data from brief stressful events lasting only a few minutes and occurring a few hours before sampling suggest that this short-term process likely does not affect A1c. People with diabetes have an A1C level of 6.5 percent or above. A level of 5.7 to 6.4 percent indicates prediabetes. Is 5.5 A1C good?Ībout A1C levels A normal A1C level is 5.6 percent or below, according to the National Institute of Diabetes and Digestive and Kidney Diseases. Ingestion of vitamin C may increase A1c when measured by electrophoresis, but may decrease levels when measured by chromatography. Several medications and substances have also been reported to falsely elevate A1c including lead poisoning2, chronic ingestion of alcohol, salicylates, and opioids.

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How does vitamin c affect a1c levels