How Lois Lowered Her Cholesterol by 83 Points & Reversed Prediabetes

Article written and reviewed by Robby Barbaro, MPH
Published June 9, 2026

Meet Lois. She thought she was doing everything right.

She did not eat dairy. She avoided animal products. She exercised regularly. She practiced yoga most days of the week and genuinely cared about her health. If you had asked her before her diagnosis, she would have confidently told you she was eating a healthy diet.

Then her blood work came back. Her A1c had climbed into the prediabetic range. Her cholesterol was dangerously elevated. Even more concerning, she had started experiencing symptoms that frightened her. She felt exhausted. Her mouth was constantly dry. At times, she experienced numbness in her arms.

Something was clearly wrong.

When her doctor reviewed her lab work, the recommendation was immediate: start a statin medication. But Lois wasn't convinced medication was the answer. Deep down, she believed there had to be another explanation.

That belief led her to discover Mastering Diabetes.

When "Healthy Eating" Isn't Actually Helping

Lois was shocked by her diagnosis.

After all, she wasn't eating hamburgers, fried chicken, or fast food. She had already eliminated many of the foods commonly associated with poor health.

So how could her cholesterol be so high? How could she be moving toward diabetes?

The confusion became even greater because she had a strong family history of serious disease. Her father had died from a heart attack. Her mother passed away from cancer at age 62. Her sister later died from breast cancer. Everywhere she looked, she saw people struggling with major health challenges.

The possibility that she was heading down the same path was deeply unsettling. She wanted answers.

A Book That Changed Everything

While spending time in Florida, Lois shared her health concerns with a close friend during a walk. Her friend had a simple recommendation: "Get the book Mastering Diabetes."

The next day, the book arrived at her doorstep.

As she began reading, she immediately connected with the science. Unlike the conventional nutrition advice she expected, the book explained the relationship between dietary fat, insulin resistance, cholesterol, and blood sugar in a way that made sense.

Then she had a realization. The problem wasn't the vegetables she was eating. The problem was everything she was putting on top of them.

Discovering the Hidden Fat in Her Diet

Like many health-conscious people, Lois had embraced foods often promoted as healthy.

She regularly ate large amounts of avocado. She consumed olive oil daily. She roasted pumpkin seeds and sunflower seeds and ate them frequently. Her salads were filled with nutritious vegetables, but they were also loaded with oil.

Before Mastering Diabetes, she had never connected these foods with insulin resistance or elevated cholesterol.

When she learned about the role of dietary fat, particularly added oils, she immediately decided to make a change.

The hardest part wasn't understanding the information. The hardest part was imagining life without olive oil. She loved it. But once she committed, she never looked back.

Four months later, she still had not touched oil.

A Second Major Change That Accelerated Results

The nutrition changes were only part of Lois's transformation. Although she had exercised consistently for years, she learned something she had never heard before: Walk after every meal.

It sounded almost too simple. But she committed to it immediately.

If she had water aerobics scheduled at 9:00 a.m., she would eat breakfast shortly before and walk directly afterward. If she ate lunch, she walked afterward. Dinner was followed by movement as well.

She didn't fully understand the physiology at first. She simply trusted the process, and the results came almost immediately.

Symptoms Gone in Four Days

One of the most remarkable parts of Lois's story is how quickly she felt better.

Within just four days, the symptoms that had scared her began disappearing: The numbness, the exhaustion, the dry mouth. Gone.

For someone who had spent months wondering what was happening to her body, the improvement felt almost unbelievable.

It gave her confidence that she was finally moving in the right direction.

Lois's Before and After Results

Over the next several months, Lois experienced dramatic improvements across multiple health markers.

Header

Before

After

A1c (%)

5.8

5.6

Total Cholesterol (mg/dL)

264

181

Total Triglycerides (mg/dL)

138

83

HDL Cholesterol (mg/dL)

53

81

LDL Cholesterol (mg/dL)

169

104

Her A1c dropped out of the prediabetic range. Her total cholesterol fell by 83 points. Her triglycerides decreased substantially. Her HDL increased significantly. And her LDL dropped by 65 points.

As Lois puts it: "The numbers don't lie."

Learning Habits She Never Knew Existed

One of the things Lois appreciates most about the program is that it taught her habits she never would have discovered on her own.

For example, she now eats her largest meal in the morning. Breakfast has become the centerpiece of her day.

Lunch is substantial as well. Dinner is intentionally smaller and earlier.

This pattern was completely different from how she had eaten previously, yet she quickly grew to love it.

Combined with her post-meal walks and low-fat, whole-food, plant-based meals, these habits created a lifestyle that felt natural and sustainable.

Not restrictive. Not complicated. Simply effective.

Why Coaching Made the Difference

Looking back, Lois is convinced that she could not have created these results alone.

The education was important. The recipes were important. The cooking demonstrations were helpful. But perhaps most valuable was learning exactly how to apply the information consistently in real life.

The coaching provided structure, accountability, and practical guidance that helped transform knowledge into action.

For someone who thought she was already eating perfectly, those insights became invaluable. Because the truth was that she wasn't missing effort.

She was missing information.

A Powerful Reason to Stay Healthy

During the program, Lois was introduced to the concept of identifying your "why."

Her answer came easily. She has seen too much suffering.

She has watched loved ones battle heart disease, cancer, and chronic illness. She has seen what happens when health deteriorates and independence disappears.

She does not want that future, and she is willing to do what it takes to avoid it.

That motivation keeps her committed every single day.

What Lois Wants Others to Know

Lois believes many people assume they are eating healthy when they may unknowingly be consuming foods that are working against them.

She knows because she was one of those people.

Her advice is simple: "Stay open-minded. Be willing to learn. And do not assume you already know everything there is to know about nutrition. One new piece of information can completely change the direction of your health."

It certainly changed hers.

Ready to See Results Lois?

If you're struggling with high cholesterol, prediabetes, rising blood sugar, or simply want to improve your long-term health, Lois'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.