Customer story · Mastering Diabetes
Vivian Lowered Her A1c from 7.1 to 5.4 and Eliminated Metformin
Vivian Montet · Recorded 5/19/2026
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- Share One · May 19, 2026
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Individual results vary. This is one customer's first-hand account of their own experience, recorded on camera and published unedited. It is not medical advice, and nothing here is intended to diagnose, treat, cure, or prevent any condition. Talk to a qualified healthcare professional before making decisions about your health.
Vivian Montet achieved a significant health transformation with Mastering Diabetes, lowering her A1c from 7.1 to 5.4. By adopting a plant-based lifestyle, she successfully eliminated her dependency on Metformin and lost 12 pounds. Vivian reported improved mental clarity and reduced inflammation within just three months of following the program’s evidence-based nutritional guidance.
At a glance
- Primary Use Case
- Type 2 Diabetes management and medication reduction
- Reported Result
- A1c dropped from 7.1 to 5.4; stopped Metformin
- Time to Value
- Noticed glucose drops within 1.5 weeks
“Within three months, like my life changed.”
“My last A1C... was 5.9, and... we did an online A1C check and it was down to 5.4. So that really validated that this program, Mastering Diabetes, works.”
“I was taking metformin twice a day, 500 milligrams, and my doctor... said I needed to continue doing that, and that she was taking me off of the metformin.”
The interview
Can you introduce yourself and describe your health background?
I'm Vivian Montet from Carencro, Louisiana, and I'm a Type 2 diabetic. I have basically been overweight all my life, but I never had diabetes until 2018 after I had a stroke. I went to the doctor every year for blood work and nothing showed up until then, when I was told I had high glucose levels and was pre-diabetic.
How did you discover Mastering Diabetes and what was your initial experience?
I stumbled upon Robby in a YouTube video around 2020. I decided to try it because other dieticians were telling me not to eat carbs. Within three months, my life changed. The first few weeks weren't as bad as I thought because I was already about 75% plant-based, though it felt overwhelming at the very beginning until I realized my 'why'.
What specific changes did you make to your diet and lifestyle?
I pretty much cleared out my refrigerator and my pantry and got rid of all the junk stuff, processed boxed food, and all that. I began meal prepping things like beans, lentils, and quinoa. I also realized I didn't need to be at the gym three times a day or spinning twice a day like I used to; this program is much more manageable for someone with a life and eight grandchildren.
What were the specific results regarding your A1c and weight?
From the beginning in 2018, my A1C was 7.1. By following the videos on my own, it dropped to 6.2. After really getting on the program, my doctor took an A1c in December that was 5.9, and recently an online check with Robby showed it was down to 5.4. I have also lost about 12 pounds, which is more than I ever lost even when exercising intensely.
How did your medical treatment change after starting the program?
I was taking Metformin twice a day, 500 milligrams. After a week of being strictly plant-based, I did blood work and my doctor asked what I was doing because my numbers dropped significantly. She told me to continue what I was doing and took me off of the Metformin. I went from that to an injection once a week, and I'm hoping to be taken off the injections soon.
What physical and mental improvements have you noticed?
After getting off the medication, I felt less inflammation. I feel 100% better and my mental clarity is definitely much better. I am very active, I have a garden, and nothing really stops me.
Frequently asked
Is the Mastering Diabetes program difficult to follow with a busy lifestyle?
Vivian found the program manageable even with eight grandchildren and a busy schedule. She noted that it was easier than her previous routine of going to the gym three times a day because the plant-based meal prep is accessible and quick.
Can I lower my A1c without face-to-face coaching?
Yes, Vivian initially lowered her A1c from 7.1 to 6.2 just by watching Mastering Diabetes YouTube videos and clearing her pantry. She later achieved a 5.4 A1c after engaging more deeply with the program's resources and online checks.
Will a plant-based diet help me reduce diabetes medications?
Vivian reported that her doctor took her off 500mg of Metformin twice daily after seeing the significant drop in her blood sugar numbers from eating grains, beans, and whole plant foods.
Full transcript
About Mastering Diabetes

Mastering Diabetes
Official site: www.masteringdiabetes.orgMastering Diabetes provides a scientifically proven program to reverse insulin resistance through a plant-based nutrition and lifestyle approach. They serve individuals living with all forms of diabetes, including Type 1 and Type 2, helping them move from medication dependency to vibrant health. As Vivian’s story demonstrates, the program offers the coaching and evidence-based guidance necessary to achieve ideal weight and significantly lower A1c levels.
- Industry
- Health and Wellness
Topics
- type 2 diabetes
- insulin resistance
- weight loss
- medication reduction
- plant-based nutrition
- health coaching
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How this story was recorded
Who recorded this video testimonial for Mastering Diabetes?
Vivian Montet recorded it themselves — no film crew, no studio. Mastering Diabetes sent a single Share One link, and the story was captured straight from Vivian Montet's own phone or laptop browser. Any business can collect the same kind of first-person video at share.one.
Recorded and verified with Share One. Published as recorded — unpaid, unscripted, and attributed to a named person.
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