From A1C 8.2 to 5.9, and 30 Pounds Lost: How Barbara Reversed Type 2 Diabetes Naturally

Article written and reviewed by Robby Barbaro, MPH
Published February 27, 2026

Meet Barbara. She was diagnosed with type 2 diabetes in 2021, she was already facing a serious health setback. She had recently been hospitalized with COVID pneumonia. During follow-up lab testing, her doctor delivered more difficult news. Her A1C was elevated, her cholesterol was high, and her numbers pointed clearly toward type 2 diabetes. He recommended starting metformin and a statin immediately and advised her to lose weight.

Barbara asked for six months

She wanted the opportunity to try changing her diet and lifestyle before committing to long-term medication. As a nurse, she understood what uncontrolled diabetes could do over time. She also knew that if she did nothing, the condition would progress.

What she did not expect was that the approach she was using to “fix” her diabetes was actually making her numbers worse.

When Keto Failed and Fasting Glucose Stayed High

After her diagnosis, Barbara did what many people do. She turned to a high-fat, very low-carbohydrate ketogenic diet. She reduced her carbohydrate intake to about 60 grams per day and focused heavily on meat, eggs, and high-fat foods.

Initially, she believed she was doing everything right.

Then one morning she checked her fasting glucose and saw 213. Two hours later, it was 214. She was stunned. She was eating almost no carbohydrates, yet her blood sugar remained elevated. She felt disheartened and confused.

That was the moment she searched online for answers and discovered Mastering Diabetes. The message she encountered went against everything she had been doing. Instead of reducing carbohydrates further, the program emphasized improving insulin sensitivity by lowering dietary fat and increasing whole, plant-based carbohydrates.

She was skeptical. But she decided to try it.

Seeing Early Results That Changed Everything

Barbara began the online program and committed fully. She bought beans, greens, fruit, and whole grains and followed the structure carefully.

Within one week, her fasting glucose dropped from the 200s into the 140s. Soon after, it fell into the 130s. The numbers did not lie.

Encouraged by the rapid changes, she decided to add group coaching for additional accountability. The structure, community, and support gave her more confidence. She could review her labs with her coach, get feedback on meals, and learn from other participants. The improvements continued.

From Restriction to Abundance

One of the most surprising parts of the program for Barbara was food freedom. On keto, she had eliminated fruit and beans entirely. For years, she had avoided them out of fear.

Inside Mastering Diabetes, fruit and legumes became staples.

She now eats over 400 grams of carbohydrates per day, compared to roughly 60 grams before. She fills large bowls with fruit, greens, beans, and whole grains. She describes some meals as so large she initially wondered how she would finish them. Instead of feeling deprived, she felt satisfied.

She experienced no cravings and no sense of restriction. The sweetness she once sought in processed foods was replaced naturally by fruit. She even began experimenting with bean smoothies and discovered she genuinely enjoyed them.

For the first time in years, eating felt abundant instead of limiting.

Barbara’s Before and After Results

Over six months, Barbara’s health markers improved dramatically.

Header

Before

After (6 Months)

A1c (%)

8.2

5.9

Fasting Blood Glucose (mg/dL)

350

90s to 120

Weight (lbs)

158

128

Triglycerides

227

152

Cholesterol

242

186

She lost 30 pounds in six months. Her triglycerides dropped close to normal range. Her total cholesterol fell below 200. When she returned to her doctor after six months, the first action taken was cutting her blood pressure medication in half.

Even more meaningful was the fact that she achieved these results while eating more carbohydrates than ever before.

Understanding the Seriousness of the Diagnosis

Interestingly, Barbara did not experience obvious symptoms when her blood sugar was extremely high. She had no tingling in her feet. Her vision seemed normal. She felt relatively stable.

But as a nurse, she understood the silent damage that elevated glucose can cause over time. Diabetes does not always announce itself loudly. It progresses quietly until complications appear.

That knowledge motivated her to act decisively.

When she saw her A1C drop from 8.2 to 5.9, she felt both relief and validation. The direction of her health had changed.

The Role of Accountability and Structure

Barbara credits much of her success to the accountability built into the program. Weekly meetings, coach feedback, and the online community kept her focused. Sharing meals, reviewing numbers, and having scheduled check-ins created momentum.

She especially appreciated the six-week insulin sensitivity jumpstart plan inside the program. The meals were structured, satisfying, and designed to accelerate progress.

Rather than feeling overwhelmed, she felt guided.

The structure made consistency easier, and consistency created results.

A Way of Eating She Can Sustain for Life

One of the most powerful parts of Barbara’s transformation is that she does not view this as temporary. She genuinely enjoys the way she eats now.

She loves fruit, legumes, greens, soups, and large colorful salads. She frequently prepares lentil-based soups and vegetable dishes with her husband. She enjoys balsamic berry arugula salads and plant-based comfort meals that feel indulgent without excess fat.

She does not miss meat. She does not feel deprived. She believes she could eat this way for the rest of her life.

From Skepticism to Conviction

Barbara admits she was skeptical at first. The program contradicted what she believed about carbohydrates and diabetes. But she committed fully and watched the numbers change.

Seeing her fasting glucose fall from the 200s to under 100. Watching her A1C drop into the 5 range. Losing 30 pounds. Reducing medication.

Those results transformed skepticism into conviction.

Today, she encourages anyone struggling with type 2 diabetes to give the program a real chance. She believes two to three months of consistent effort can change the direction of someone’s health.

What Barbara Wants Others to Know

Barbara describes Mastering Diabetes in one word: miracle.

But what she really means is that the results feel extraordinary because they contradict what so many people have been taught.

She wants others to know that insulin resistance can improve. Blood sugar can normalize. Medication can be reduced. Weight can fall naturally.

And it does not require extreme restriction. It requires the right strategy.

Ready to See Results Like Barbara?

If you have been diagnosed with type 2 diabetes, are struggling with high fasting glucose, rising A1C, or medication dependency, Barbara’s story shows that meaningful change is possible.

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.