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Customer story · Mastering Diabetes

Donna Vargas Reversed Insulin Resistance and Lowered A1c from 11 to 6.1

Donna Vargas · Recorded 5/18/2026

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Share One · May 18, 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.

Donna Vargas achieved a life-changing transformation with Mastering Diabetes, lowering her A1c from 11 to 6.1 without medication. By adopting a low-fat, plant-based diet and utilizing professional coaching, she reduced her fasting glucose from 325 to an average of 100 and lost over 20 pounds, regaining her energy and long-term health outlook.

At a glance

Primary Use Case
Type 2 Diabetes Management
Reported Result
A1c reduced from 11 to 6.1
Time to Value
2-3 weeks for energy and glucose trends
My A1c went from 11 to 6.1 now. I've done this with no medication whatsoever.
I would rather invest in my health this way... than have to give that money to doctors and hospitals and pharmacists.
Mastering Diabetes gets to the root of the problem and teaches you what to do next.

The interview

What was your health like before finding Mastering Diabetes?

I knew something was wrong; I was extremely lethargic and would have to lie down just after emptying the dishwasher. When I went to the doctor, my labs were frightening: my fasting glucose was 325 and my A1c was 11.

What did you discover about your previous 'healthy' diet?

I had been plant-based for a while, but not 'healthy' plant-based. I was eating a lot of avocados and coconut oil, things I know now really contribute to the problem of insulin resistance.

How did the coaching and community impact your journey?

I signed up for coaching with Coach Marco, who is a wealth of information and a positive light. The group bonded like 'war buddies' over shared struggles, and the Mastering Diabetes University resources are phenomenal for long-term support.

How quickly did you see results after starting the program?

Within just a few weeks, my energy increased quite a bit. By week two or three, my fasting glucose numbers were trending downward as I developed insulin sensitivity again, and I started losing weight.

What are your specific glucose and weight loss results?

My fasting glucose went from 325 down to between 100 and 120 regularly, with my latest lab at 107. My A1c dropped from 11 to 6.1. I also went from 173 pounds to between 149 and 152 pounds, and the weight is still dropping.

What do you think of the meal plans and recipes?

The guesswork is taken out because the menus and macros are already prepared. Some of my favorites are the Bombay potatoes and beans, Moroccan squash soup, and the quinoa and berry breakfast bowl.

What is your final advice for someone considering the program?

I would say run, don't walk, and start today. You could be on medication or insulin for the rest of your life, but this program gets to the root of the problem and is life-saving.

Frequently asked

Can you reverse type 2 diabetes symptoms without medication?

Yes, Donna Vargas achieved a fasting glucose of 107 and an A1c of 6.1 purely through the Mastering Diabetes program's nutritional wisdom. She emphasized that the program addresses the root cause of insulin resistance rather than just masking symptoms with drugs.

Is a plant-based diet for diabetes difficult to follow?

Donna found that while the initial change was shocking, it quickly became easy and fulfilling because the program provides detailed meal plans and macros. She noted that the recipes are flavorful and satisfying, making it easy to stay on track even after family gatherings.

Is Mastering Diabetes coaching worth the investment?

Donna highly recommends the coaching, stating it is 'worth every penny' compared to the cost of doctors and hospitals. She credits her coach, Marco, and the supportive community for providing the accountability and information needed to succeed.

Full transcript

My name is Donna Vargas. I live in ⁓ Orange County, California, and I'm a type 2 diabetic. Before I found Mastering Diabetes, I knew something was wrong. I hadn't been feeling well. I was extremely lethargic. You know, I'd get up to empty the dishwasher and I'd have to lie back down again. just, I knew something was wrong. ⁓ So I went to my doctor and had some labs done. And yeah, I wasn't very happy with the results. My... Fasting glucose was 325 and my A1C was 11. So just during research, found the program. had actually seen some of the videos in the past because I had been plant-based for a while, just not ⁓ healthy plant-based. I was eating a lot of avocados and ⁓ coconut oil and a lot of things that I know now really contribute to the problem. Yeah, it was when I saw those numbers on my labs, I, you know, it was quite frightening. It was scary. have people and family members with diabetes in my life. And, ⁓ I, I, I'm a late in life mom. have a 26 year old son and I couldn't imagine leaving him behind or having something removed from my body or amputated or my vision. There were just so many thoughts went through my mind and I thought I've got to I've got to get a hold of this right away. And ⁓ that's where the research led me to mastering diabetes. ⁓ My research led me to the book initially and after reading the book I was very intrigued. There was so much science-based evidence and research in there. ⁓ So then I got on YouTube and found the channel and the testimonials of people out there whose lives had just been changed and turned around really intrigued me. ⁓ I joined the program and then I signed up for coaching, which I highly recommend. mean, just the sense of community and talking to people that know exactly what you're dealing with, that have the same symptoms, the same struggles. You know, they're almost like war buddies. You know, you can bond over the things that you've been struggling with. And the coaching is fantastic. I have Coach Marco and he's just a wealth of information and so helpful and so encouraging. He's definitely a very positive light in our group and our group has bonded and we've become very close. I would recommend coaching to anybody who gets on the program. And staying with Mastering Diabetes University well after coaching ends because the resources are just phenomenal. Initially, the change in my diet was a little, a little shocking, but then became quite easy and, very fulfilling, very satisfying. ⁓ the, program explains in great detail why we choose the foods we do and how helpful and helpful they are for our bodies and, for the symptoms within just a few weeks. I was, my energy had increased quite a bit and I was up and doing things and wanting to see people. It was really a huge transformation just in a short period of time. Yeah, I would say within a couple of weeks, maybe three weeks, the numbers had been trending downward. My fasting glucose, ⁓ you know, not super rapidly, but cause I believe I was developing insulin sensitivity again. ⁓ but they continued to move in that direction and the energy was going up. The numbers were going down. ⁓ I started losing some weight and. Yeah, it just clicked. thought this, this really works. This is amazing and I'm not taking any medication. When I started the program, my fasting glucose was 325. And within the first few weeks, it came down to between 120 and 130. And within a few months was regularly between 100 and 120. ⁓ My latest labs revealed that my fasting glucose was 107. And so I regularly have between, I'd say my numbers between 95 and 115 to maybe 120 on the odd occasion, but the average now is so close to 100 and some days below that is just truly exciting because I'm doing this without medication. This is purely the wisdom and the magic of Mastering Diabetes. So I wake up now with energy and excitement to face the day. I've got a lot of hope, which is something that I wasn't sure I had in the beginning. I didn't know if I could reverse it without going on a lot of medication or taking insulin. My heart rate, I feel, has regulated. I was having palpitations before. I've got energy to walk, which only helps my numbers even more. I just overall, my mood is just happy. I can't describe it other than I just feel good about life now. Sure. When I started the program, I think I weighed 173 pounds and I had actually lost some weight prior to that just by being plant-based. But with ease on this program, I'm regularly now between like 149 and 152 and that number is still dropping every week. And the beauty of it is that it's with the increased energy and with a little bit of weight loss, I'm able to ⁓ walk a lot farther than I used to. ⁓ I get on a rebounder regularly now and working in the kitchen or standing for long periods of time or just I don't even think about it anymore. ⁓ It's just, my life is a lot fuller. This way of eating is fantastic. I used to eat a lot of ⁓ a pretty heavily laden fat diet. And ⁓ this program has taught us that that's really the culprit. ⁓ But we can eat in abundance, just the right foods. I love the program. What I love about the menus is that they're already, the guesswork is taken out. They're already prepared. All the macros are right there. Even in the chronometer app, which is Wonderful. Some of my favorites, I still go back to her in the first six week meal plan. love ⁓ the Bombay potatoes and beans, the Moroccan squash soup, ⁓ the quinoa and berry breakfast bowl with the, I think it's arugula in there. They're all just delicious. They're satisfying. They make it easy to follow the program. And like I said, if you follow the menu, plan, ⁓ you don't even have to think about it. It's all there. You're getting the right nutrients. You're getting all the right macros and everything we're supposed to have. this isn't sounding right. Sorry. If you're thinking about working with Mastering Diabetes, ⁓ I would highly recommend it. It's the most encouraging program. There's no judgment. The recipes, the coaching, the community ⁓ on the app is phenomenal. I would say run, don't walk, and start today. You could be on medication for the rest of your life. could have to give yourself insulin every day for the rest of your life and you could lose a limb or lose your eyesight. You know, the medication may help, but it's not addressing the real problem. And Mastering Diabetes gets to the root of the problem and teaches you what to do next, you know, how to improve your life and how to do it hopefully without medication. Of course you want to stay in touch with your doctor, but this, this bundle of resources is life-saving in my opinion. When I discovered Mastering Diabetes, ⁓ the community there and the people and the testimonies ⁓ of people that were reversing it daily, you know, daily within weeks, within days, within months, reversing their type two diabetes, improving their type one or whatever type of diabetes they had, getting phenomenal results. I, you know, we have a, we always go back to our why, you know, why we're... why we want to do this, why we want to follow through with it. And it's just the quality of life. If I could achieve these results, ⁓ excuse me. If I could achieve these results without medication faster, better, and permanently, why wouldn't I? I mean, it's just a no-brainer. like, you know, you don't have to just read the book and believe the authors. You can see the people. You can see video after video after video of people who have had success with this program. And I just, I support it a hundred percent. Since mastering diabetes, my A1c went from 11 to 6.1 now. I've done this with no medication whatsoever. Investing in mastering diabetes is the best thing I've ever done. I would rather invest in my health this way, pay for the coaching, pay for the app, then have to give that money to doctors and hospitals and pharmacists. mean, it's absolutely worth every penny. And I'm saving up to continue coaching because I love it so much. This program has meant so much to me. ⁓ Investing in my health is, ⁓ here I go again. I'm so sorry. This program has meant so much to me. I've ⁓ not only improved my health, my quality of life, I've made some friends for life from all over the world, all over the United States. I know that we will keep in touch long after, well, I don't even want to say after mastering diabetes because I love it. I'm never going to leave. But it's just given me a fantastic quality of life. It's given me, I know, more years with my son and my husband. and ⁓ less time with my doctor, which is phenomenal. You can't beat that. Eating a plant-based diet ⁓ was a little intimidating at first because the rest of my family is a carnivore, I would say. But I was so surprised at how fulfilling the recipes were, how delicious they were. They're great with spices and full of flavor. ⁓ I don't even miss eating any kind of meat or any kind of animal product at all. I can see myself easily eating this way for the rest of my life. ⁓ you know, I don't have to be religious about it if I'm at a family gathering and, you know, it's not going to be perfect, but it's so easy with this program to get back on track. You just flip open the recipes again and two meals later you're right back where you were. So I'm thrilled with it. Outside of my own personal coaching group that I'm in, ⁓ there is another full community in the Mastering Diabetes University that is full of coaches who will answer your questions any time of the day or night. There are people that have been on this program for a very long time that probably have an answer for you, and then they share their own recipes as well. ⁓ If you ever want to deviate from the meal plan, this isn't going well. Well, outside of my own personal coaching group, which is just amazing, amazing people love them all. we plan to keep in touch for a long time. ⁓ There is a whole staff of coaches on the Mastering Diabetes app. And there are members who have been on this program for a very long time, if you have a question about something, they will be there to answer it day or night and, ⁓ just sharing their experiences, their own recipes, things that they've found work for them with regards to even better sleep. you know, other, other types of things that are so critical for our health. the coaches are the whole coaching team is phenomenal. I would, I would definitely recommend staying at least with the program monthly. ⁓ if you. can't do the coaching or after your coaching time expires, just stay plugged in because it's also a great form of accountability. You got to report in with these people and check with them and you want to know, you know, how their day is going, how they're fasting glucose is, and they want to know about yours. So it's a fantastic community full of loving, caring people. haven't run into a single sour bus the whole time I've been on the program.

About Mastering Diabetes

Mastering Diabetes provides a scientifically proven program to reverse insulin resistance through a low-fat, plant-based nutrition and lifestyle approach. They serve individuals living with all forms of diabetes, including Type 1, Type 2, and Prediabetes. By offering evidence-based coaching and resources, they help members transition from medication dependency to achieving ideal weight and restored energy.

Industry
Health and Wellness

Topics

  • type 2 diabetes
  • health and wellness
  • weight loss
  • insulin resistance
  • plant-based nutrition
  • coaching

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