Mayo Clinic on Nutrition

Pre-Diabetes Prevention and Management: Tips From a Diabetes Dietitian

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Jun 3, 2025
Gina Wimmer, a registered dietitian and Certified Diabetes Care and Education Specialist, shares invaluable insights on managing pre-diabetes and diabetes. She explains the importance of lifestyle changes in reversing pre-diabetes and discusses the differences between various diabetes types. The conversation tackles common myths, the role of carbohydrates, and how exercise can help manage blood sugar levels. Gina also emphasizes the significance of education, empathy, and realistic dietary choices in living well despite diabetes.
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ADVICE

Follow The Rule Of 15 Precisely

  • Follow the rule of 15: treat with 15 g fast carbs, wait 15 minutes, and recheck; double treat at night if needed.
  • Prefer glucose tablets or 4 oz juice and avoid high-fat foods that delay recovery.
INSIGHT

Many Nonfood Factors Affect Glucose

  • Non-nutritional factors like stress, sleep, heat, hydration, and illness unpredictably affect blood sugar.
  • Individuals must learn personal responses because these factors vary widely between people.
ADVICE

Tight Targets Matter In Pregnancy

  • Pregnant women need tighter blood sugar control to protect mother and baby and avoid macrosomia, hypertension, and preterm birth.
  • Gestational targets include fasting <95 mg/dL and 2-hour postprandial ≤120 mg/dL, with insulin often used if needed.
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