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Why Are Some Carnivores Becoming Diabetic?

Jenny Mitich

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Have you ever wondered how someone eating zero carbs could end up with higher blood sugar?

It sounds impossible.

Yet some people start Carnivore, Keto, or Low Carb and find themselves dealing with rising fasting glucose, worsening insulin resistance, stalled fat loss, or even being told they're prediabetic.

So what's actually happening?

In this video, I break down the concept of **lipotoxicity**—one of the most misunderstood topics in metabolic health—and explain how excess stored fat, visceral fat, and metabolic dysfunction can create a "traffic jam" inside the body that affects blood sugar regulation, even when carbs are extremely low.

I also share my husband Goran's story, why two people can eat the exact same Carnivore diet and get completely different results, the biomarkers I look at when evaluating metabolic health, and practical strategies that may help improve insulin sensitivity and metabolic flexibility.

Topics Covered:
• What lipotoxicity is
• Personal fat threshold explained
• Why some Carnivores have high blood sugar
• Visceral fat and metabolic health
• Fatty liver and insulin resistance
• Bloodwork markers to check
• Fasting insulin, glucose, HOMA-IR, triglycerides, HDL, adiponectin, and GGT
• How to tell if lipotoxicity may be affecting you
• Lower-fat Carnivore strategies
• Protein prioritization
• Fasting and metabolic flexibility
• Zone 2 cardio and strength training

Disclaimer: This video is for educational purposes only and is not medical advice. Always consult your healthcare provider regarding medical conditions, medications, or treatment decisions.

#CarnivoreDiet #Lipotoxicity #InsulinResistance #MetabolicHealth #BloodSugar #LowCarb #KetoDiet #VisceralFat #WeightLoss #carnivorediet

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🎙️ Watch the full interviews here:
• Dr. Nadir Ali: STOP Eating High Fat Carnivore if you have...
• Craig Emmerich: Is Too Much Fat Hurting Your Health? Lipot...

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Blood tests discussed in this video:
Lipid panel
Comprehensive metabolic panel (has fasting glucose)
Fasting insulin
A1c
GGT
Adiponectin

Where to get a DEXA scan: https://dexascan.com/pages/locations

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20 Comments

@PriyankaAher5 3 months ago

For me personally it’s finding the right balance. Eating just enough fat to drive the cravings away, but not so much that it results in weight gain.

@fatherofunicorns700 3 months ago

I'm 55 with T2D and chronic kidney disease. I started eating carnivore in October 2025 and was losing weight up until January 2026. While still eating carnivore I gained 20 pounds. Then I learned about total daily energy expenditure. Used the calculator and started eating in a calorie deficit. Eating carnivore and eating in a deficit is working. I am now down to 251. On my way to 170!

@CarnivoreChet 3 months ago

I had to cut my protein to 60g a day and I upped my fat to 170g a day. It took my glucose from 130 to 80s in the morning. My ketones went from 0.5 to 1.5 in the morning.

@HerbalAnnie 3 months ago

Sardines really help me with my blood sugar. Also not over eating and no added fat.

@blackhillsed4936 3 months ago

While this is a big component to weight loss what can't be discounted is that the liver produces glucose when the body is stressed. This raises insulin levels and reduces sensitivity.

@booytjie 3 months ago

I had the same issue - initially good results and normal to low blood glucose (2.5 - 5.5mmol/L ) - then after 2 years of ketovore/carnivore, blood glucose started creeping up, then shot up. Woke up one day with a blood glucose of 29.5mmol.L - immediately went to doctor, got sent to hospital for 4 days and came home with insulin and metformin. Have cut fat from keto for now and will monitor the results going forward.

@MickRyker 2 months ago

You can fix most dietary blunders with a monthly bout of 72-hour fastings and regular exercise.

@MeatingWellness 3 months ago

Good to hear your husband has improved so much!

@navyretired230 3 months ago

Omg exactly what is happening too me. My morning fasting glucose is over 100 the past two weeks and going higher??? I lost 52lbs, I go to the gym uninterrupted. I do not drink alcohol, extremely low carb.

@essray 3 months ago

Fasting is the way.

I started of learning how to fast with a standard diet, then fasting with paleo, now fasting with carnivore. Labs are amazing (according to the carnivore concept).

@kendallulrich9561 3 months ago

I've been Strict carnivore for a year and a half and have only gained 20lbs in the first 2 months. The same 2lbs go up and down and have a DEEP knowing there's something else going on. I've been to doctors since I was 7, I'm now 47, for stomach IBS issues and have a feeling gut health has impacted my metabolic health. Desperate for healing and know the weight is a symptom of something deeper going on.

@LisaMaghrak 3 months ago

Dr. Ben Bikman explains that a modest rise in glucose from protein in low-carb eaters isn’t automatically diabetes. Protein does stimulate some insulin, but the response is different than high-carb intake because glucagon rises too. Stress, sleep, hormones, and liver glucose production can also affect blood sugar, so glucose alone doesn’t tell the whole story. Elevated glucose may not automatically be because of carnivore alone.

@gambino38 1 month ago

That's what I was wondering: why I'm doing the carnivore diet, and I work out at the gym, lift heavy weights, and I'm not losing weight, and my blood sugar is always high. You make sense when you said to cut down on fats because you have enough fats in your body. I usually drink 3-4 cups of coffee in the morning with half a stick of butter and heavy cream, collagen, 3 stevia packets, and a little salt. I need to cut off the butter in my coffee, trim the fat off my steak, and not eat a lot of chicken skin or chicharon. Thank you for this good information, @Jenny Mitich. I learned something good today.

@marianclough8577 3 months ago

Fascinating and informative. Just proves that we are all individuals and, for most of us, we have to find out what works for our particular bodies! I've been Carnivore for 4 years (had some personal situations that made me step back for 6 months but I've started again) and I only lost weight in the first few months and then gained 20 lbs and kept the same weight for 3 years. Now I understand so much more and will be drastically cutting the amount of fat that I'm consuming and see what happens.

@wadephipps4806 3 months ago

It can be caused by a bad protein/fat ratio. I had elevated blood sugar and weight gain for a bit because I was eating too lean. Added fattier meats and now have fasting glucose in the 80s. When I started, I also had to do intermittent fasting to run a calorie deficit to teach my body to switch to fat burning again to get weight loss started. Everyone is broken for a variety of different reason metabolically.

@JoeBerean 3 months ago

4:10 I was just thinking the same thing. If you are morbidly obese, you don't need to be adding more fat. Fasting would be the best option, but going low-fat carnivore would be the second best option.

@samuelstrickland3678 3 months ago (edited)

I see a lot of Keto influencers saying if you dump carbs you can eat almost as much as you want.....no need to track calories....just eat until you are full.Weight loss 101 tells me you need to be in a slight calorie defficit.I still track my calories.There is no weight loss without accountability no matter how you choose to eat.

@bethpike3833 3 months ago

I remember one carnivore doctor explaining that if you want to lose weight, then once you quit carbs then eat healthy fats for two or three weeks to teach your body to use fat for energy, then cut back on fat so your body will use your fat storage. I lost about 35 pounds. But I have been eating healthy fats. I probably need to try to cut back.

@latinboyyy305 3 months ago

Man what a good wife!!! Instead of being hard on him and leaving him behind she's helping him. What a blessed man.

@ronpieket8164 3 months ago

I suppose all of this applies to VLCHF keto as well. I have been told repeatedly that my >100 blood glucose was due to excess protein. But shifting the balance away from protein toward fat has not helped. So I will try going the other way, as suggested in this video.