How Jessica Lowered Her Fasting Blood Sugar from 197 to 98 in 2 Weeks

Article written and reviewed by Robby Barbaro, MPH
Published May 4, 2026

Meet Jessica. She had a moment she could not ignore.

A routine check revealed her fasting blood sugar was 197. The number shocked her. It was not just elevated, it was firmly in the diabetic range. And like many people, her first thought was not just about the number itself, but about what it meant for her future.

She had seen this before.

Her father lived with diabetes for years. He experienced complications, including heart issues and vision problems, and ultimately passed away from a heart attack. Jessica understood what uncontrolled diabetes could lead to, and she did not want to follow the same path.

That moment became a turning point.

Confronting a Diagnosis That Felt Permanent

Like most people, Jessica had been taught that diabetes is a progressive condition.

Once diagnosed, the expectation is to manage symptoms, avoid carbohydrates, increase protein intake, and hope to slow the progression. Reversal is rarely part of the conversation.

She believed that. But something about her situation pushed her to look deeper.

After seeing her blood sugar at 197, she knew she needed to act quickly. She began searching for information and came across a Mastering Diabetes video. Soon after, she joined a free webinar that explained the role of insulin resistance and how dietary fat, particularly saturated fat, interferes with insulin function.

For the first time, she heard a clear explanation of the root cause. And more importantly, she saw evidence that it could be addressed.

A Decision to Go All In

Jessica did not ease into the program. She committed fully.

She removed saturated fat from her diet, began eating whole, plant-based foods, incorporated daily walking after meals, added light resistance training, and improved her sleep habits.

She made multiple changes at once, focusing on creating an environment where her body could respond quickly.

The results came faster than she expected.

A 100-Point Drop in Just Two Weeks

Within two weeks, Jessica’s fasting blood sugar dropped from 197 to 98.

A reduction of nearly 100 points in such a short period felt almost unbelievable. But the numbers were consistent.

At the same time, she lost four and a half pounds without trying.

She was not restricting food or counting calories. She was simply following the structure of the program and allowing her body to respond.

That rapid improvement confirmed that she was addressing the root cause.

Jessica’s Before and After Results

In just a matter of two weeks, Jessica saw meaningful improvements across key health markers.

Header

Before

After

Fasting Blood Glucose (mg/dL)

197

98

Weight Loss (lbs)

4.5

Following this initial transformation, her fasting blood sugar has remained stable, typically ranging between 98 and 104, with occasional readings slightly above that range.

For Jessica, the consistency of these numbers is just as meaningful as the initial drop.

More Energy, Clearer Thinking, and Better Daily Life

Beyond the lab results, Jessica noticed immediate improvements in how she felt.

She describes feeling less tired and more mentally clear. Tasks that once felt routine now felt easier. Her thinking sharpened, and her overall sense of well-being improved.

What surprised her most was realizing how much better she could feel. She had assumed she was functioning well before. Only after making these changes did she recognize the difference.

The improvement in energy and clarity became one of the most motivating aspects of the program.

Rediscovering Food and Enjoying the Process

One of Jessica’s biggest surprises was how much she enjoyed the food.

Like many people, she initially believed that eating this way would feel restrictive or boring. Instead, she found the opposite. Her meals became vibrant, satisfying, and full of variety.

She regularly prepares tofu stir fry with vegetables, garlic, and tamari, paired with quinoa and sweet potatoes. She enjoys black bean burgers, large salads filled with leafy greens, and chickpeas for added texture and protein.

She incorporates a wide range of vegetables, including kale, arugula, and bok choy, and finds that her meals are both filling and enjoyable.

Food is no longer something she fears. It is something she looks forward to.

Breaking Through Common Misconceptions

As Jessica began sharing her experience with others, she encountered skepticism.

People questioned how she could eat carbohydrates and still improve her blood sugar. They insisted that she needed more protein, more animal products, and fewer carbs.

She understands that perspective because she once believed the same thing. But now, she has real-world experience that contradicts those assumptions.

Her results, combined with the science she learned through the program, have given her confidence in the approach. Even if others do not fully understand it, she knows it works.

A New Perspective on the Future

Perhaps the most meaningful change for Jessica is how she now views her future.

Before, a diabetes diagnosis felt like the beginning of a long decline. She associated it with complications, limitations, and uncertainty. Now, she sees something different.

She sees a future where she can live a normal, active, and healthy life. She sees the possibility of avoiding the complications her father experienced. She feels hopeful and optimistic about what lies ahead.

She describes this as the greatest gift of the program. Not just better numbers, but a better future.

What Jessica Wants Others to Know

Jessica understands how overwhelming a diabetes diagnosis can feel.

She knows the fear, the uncertainty, and the belief that the condition is permanent.

Her message is simple. It does not have to be that way.

With the right approach, it is possible to improve insulin sensitivity, lower blood sugar, and change the direction of your health.

She encourages others not to hesitate. Try it. The results may surprise you.

Ready to See Results Like Jessica?

If you have recently been diagnosed with diabetes, are struggling with high fasting blood sugar, or feel uncertain about your future, Jessica’s story shows that change can happen quickly.

Book a free discovery call with one of our advisors and learn how to begin your own transformation.

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About the author 

Robby Barbaro, MPH

Robby Barbaro, MPH is a New York Times bestselling co-author of Mastering Diabetes: The Revolutionary Method to Reverse Insulin Resistance Permanently in Type 1, Type 1.5, Type 2, Prediabetes, and Gestational Diabetes.

Robby was diagnosed with type 1 diabetes at the age of 12 and has been living this lifestyle since 2006. In that time, while eating pounds of fruit every day, his HbA1c has been stable with a current A1c of 5.3%, TIR of 92%, and average total daily insulin use of 30 units.

Robby graduated from the University of Florida and is the cofounder of Mastering Diabetes and Amla Green. He worked at Forks Over Knives for six years before turning his attention in 2016 to coaching people with diabetes full time.

He is the co-host of the annual Mastering Diabetes Online Summit, a featured speaker at VegFest LA, and has been featured on The Doctors, Forks Over Knives, Vice, Thrive Magazine, Diet Fiction, and the wildly popular podcasts the Rich Roll Podcast, Plant Proof, MindBodyGreen, and Nutrition Rounds.

Robby enjoys exercising every day, spending time with friends, and sharing his lifestyle on Facebook, Twitter and Instagram.