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Prediabetes Range: 5 Steps to Control Blood Sugar and Prevent Diabetes

04 Sep 2025 by Atul Jain, M.D., M.S.

Prediabetes Range: 5 Steps to Control Blood Sugar and Prevent Diabetes

Prediabetes is a serious health condition where blood sugar levels are higher than normal, but not yet high enough to be diagnosed as type 2 diabetes. It's a crucial warning sign that your body isn't processing glucose effectively. Understanding the prediabetes range and taking proactive steps can significantly reduce your risk of developing full-blown diabetes. Let's dive into what you need to know and how to manage it.

Understanding the Prediabetes Range

Knowing your blood sugar levels is the first step. The diagnostic criteria for prediabetes are based on the following tests:

  • Fasting Plasma Glucose (FPG): A fasting blood sugar level between 100 and 125 mg/dL indicates prediabetes. This test is performed after at least eight hours of fasting.
  • Oral Glucose Tolerance Test (OGTT): A two-hour blood sugar level between 140 and 199 mg/dL during an OGTT suggests prediabetes. This test measures your blood sugar two hours after drinking a sugary drink.
  • A1C Test: An A1C level between 5.7% and 6.4% indicates prediabetes. This test reflects your average blood sugar level over the past two to three months.

If you fall within any of these ranges, it’s essential to consult with your doctor for confirmation and guidance. Ignoring prediabetes symptoms can lead to irreversible damage.

Why Preventing Diabetes is Crucial

Progression to type 2 diabetes comes with a host of potential complications, including:

  • Heart Disease and Stroke: High blood sugar can damage blood vessels, increasing the risk of cardiovascular problems.
  • Nerve Damage (Neuropathy): High glucose levels can injure the nerves, causing pain, numbness, and tingling, especially in the hands and feet.
  • Kidney Damage (Nephropathy): Diabetes can impair the kidneys' ability to filter waste.
  • Eye Damage (Retinopathy): High blood sugar can damage the blood vessels in the retina, potentially leading to vision loss or blindness.
  • Foot Problems: Nerve damage and poor circulation increase the risk of foot ulcers, infections, and even amputation.

Taking action to manage your prediabetes range and prevent progression to type 2 diabetes is an investment in your long-term health and quality of life.

5 Steps to Control Blood Sugar and Prevent Diabetes

Here are five practical steps you can take to control your blood sugar and reduce your risk of developing type 2 diabetes: Managing Blood Sugar Your Complete Guide To Diet Testing And Levels

1. Adopt a Healthier Diet

Diet plays a crucial role in managing blood sugar levels. Focus on:

  • Eating Plenty of Non-Starchy Vegetables: These are low in calories and carbohydrates but high in fiber, which helps regulate blood sugar. Examples include broccoli, spinach, and lettuce.
  • Choosing Whole Grains Over Refined Grains: Whole grains, like brown rice and whole wheat bread, have a lower glycemic index than refined grains, like white rice and white bread. They release glucose into the bloodstream more slowly.
  • Limiting Sugary Drinks and Processed Foods: Sugary drinks, like soda and juice, and processed foods are high in sugar and unhealthy fats, which can raise blood sugar levels.
  • Prioritizing Lean Protein: Lean protein sources, like chicken, fish, and beans, can help you feel full and satisfied without spiking your blood sugar.

2. Increase Physical Activity

Regular physical activity helps your body use insulin more effectively and lowers blood sugar levels. Aim for at least 150 minutes of moderate-intensity aerobic exercise per week, such as brisk walking, swimming, or cycling.

  • Find Activities You Enjoy: This will make it easier to stick to your exercise routine.
  • Incorporate Activity into Your Daily Routine: Take the stairs instead of the elevator, walk during your lunch break, or park further away from your destination.
  • Include Strength Training: Strength training exercises, like lifting weights or doing bodyweight exercises, can also help improve insulin sensitivity.

3. Lose Weight if You’re Overweight or Obese

Losing even a small amount of weight can have a significant impact on blood sugar levels and insulin resistance. Aim to lose 5-10% of your body weight through a combination of diet and exercise. Consult with a healthcare professional or registered dietitian to develop a personalized weight loss plan. Simple Lifestyle Changes To Stabilize Blood Sugar For Good

4. Monitor Your Blood Sugar Regularly

Regularly monitoring your blood sugar levels can help you track your progress and make adjustments to your diet and exercise routine as needed. Your doctor may recommend that you check your blood sugar levels at home using a glucose meter. Keep a record of your blood sugar levels and share it with your healthcare provider.

5. Consider Medication if Recommended by Your Doctor

In some cases, lifestyle changes alone may not be enough to prevent the progression of prediabetes to type 2 diabetes. Your doctor may recommend medication, such as metformin, to help lower your blood sugar levels and improve insulin sensitivity. Follow your doctor's recommendations carefully and discuss any concerns you may have. The Ultimate Blood Sugar Diet Plan To Help You Manage Glucose Levels

The Role of Lifestyle Changes in Preventing Diabetes

Lifestyle interventions are the cornerstone of preventing diabetes in individuals with prediabetes. The Diabetes Prevention Program (DPP), a large-scale clinical trial, demonstrated that lifestyle changes, including diet and exercise, were more effective than medication in preventing the development of type 2 diabetes.

Intervention Outcome
Intensive Lifestyle Intervention 58% reduction in the risk of developing type 2 diabetes over 3 years
Metformin 31% reduction in the risk of developing type 2 diabetes over 3 years
Placebo No intervention effect

This data highlights the power of lifestyle changes in managing prediabetes and preventing the onset of type 2 diabetes. By focusing on diet, exercise, and weight loss, individuals with prediabetes can significantly improve their health outcomes.

The Importance of Regular Check-Ups

Even if you're making positive lifestyle changes, it's important to see your doctor regularly for check-ups. Your doctor can monitor your blood sugar levels, assess your risk of developing diabetes, and provide guidance on managing your condition. Regular check-ups can also help detect any complications early on.

Living Well with Prediabetes

A diagnosis of prediabetes doesn't have to be a life sentence. By taking proactive steps to control your blood sugar, you can prevent the progression to type 2 diabetes and live a long, healthy life. Embrace a healthy lifestyle, monitor your blood sugar levels, and work closely with your healthcare provider to manage your condition effectively. Remember, knowledge and action are your best defenses against diabetes. Don't ignore the warning signs; start making positive changes today!

References and Further Reading