Treating Metabolic Disease at the Dietary Root Cause

Obesity, type 2 diabetes and metabolic syndrome are driven largely by diet. So changing what goes in changes the disease, not just its markers. This interview was recorded on a channel that backs a carnivore diet. It also lays out where elimination diets fit and where the evidence stops.

Most clinics treat obesity, type 2 diabetes and metabolic syndrome as lifelong conditions to manage with more and more medicine. The other view is that diet drives them in large part. Change what goes in, and you can change the disease, not just its markers.

That is a strong claim. This article lays out the case for it, and is specific about its limits.

Managing markers versus changing the disease

Think about what standard care aims for.

A patient with a rising HbA1c gets metformin. If HbA1c keeps rising, a second drug is added, then a third, then insulin. Each step improves the number. Very few of those steps ask why blood sugar is rising in the first place.

That is not a knock on the doctors making those calls. In a fifteen-minute visit, in a system that pays far better for prescribing than for diet work, adding drugs is the path of least resistance.

But it leads to a certain result: a patient whose numbers look managed, on more medicine every year, whose body chemistry is the same or worse.

Why the dietary lever is the strongest one available

Three pieces of evidence make diet the strongest lever for this cluster of diseases.

Carbohydrate restriction outperforms on the markers that matter. A 2015 position paper by Feinman and twenty-five co-authors made the case that cutting carbs is the single most effective way to reduce the features of metabolic syndrome. It brought the biggest drops in HbA1c and in medicine needs — and, key point, these happen apart from weight loss.¹ It is a position paper, not a single trial. Weigh it as an argued case.

Remission is achievable, and has been demonstrated in trials. The DiRECT trial put type 2 diabetes into remission in 46% of people in the program at 12 months, against 4% of controls. It used weight management delivered by family doctors.² Virta’s continuous-care model with nutritional ketosis reported that 94% of patients on insulin cut or stopped it at one year.³ These results are real and published. They are far better than the “chronic progressive disease” story most patients are told.

Low-fat guidance, the main dietary alternative, failed when tested. Fifty-three randomized trials with 68,128 people found no long-term weight edge for low-fat diets.⁴ The Women’s Health Initiative kept 48,835 women on a low-fat diet for eight years. It produced no real weight loss and no heart benefit.⁵

Where I agree with the carnivore position, and where I do not

This interview was recorded on a channel that backs an all-meat diet. So it would be evasive not to address it head on.

Where the reasoning holds. Cutting out refined carbs, added sugar and industrial seed oil brings fast and often dramatic metabolic gains. Patients on very strict animal-based diets often see fast drops in blood sugar, insulin, triglycerides and inflammation markers. They often report less pain. That fits everything above, and it is no mystery — removing the drivers works.

Where the evidence does not go. There is no long-term randomized trial of a carnivore diet. Most of the human data is self-reported surveys of fans who chose the diet. That cannot prove safety or that it works. Real open questions remain about fiber, the gut bacteria, vitamins and minerals, and long-term heart outcomes.

My clinical read is that the elimination is doing most of the work — removing sugar, refined grain and seed oil — not eating only meat. That difference matters. It means most of the benefit is available from a less strict diet that is easier to stick with and has better long-term evidence.

If a patient does well on a very strict plan and is monitored, I do not argue with results. But I would not present it as proven medicine. Anyone who does is going past the data.

Safety, which is not optional here

A diet change this big is a medical treatment. It needs supervision when you are on medicine.

Cutting carbs lowers blood sugar fast. On insulin or a sulfonylurea, that risks low blood sugar. SGLT2 inhibitors carry a special risk of euglycemic ketoacidosis (a dangerous acid buildup even with normal blood sugar) when carb intake drops. Blood pressure often falls too, so blood pressure drug doses may need lowering.

The right order is to change the diet with your prescriber, adjusting medicine as the numbers move. Do not start, stop, or change any medication on your own.

Frequently asked questions

Key takeaways

• Standard care that keeps adding drugs improves the numbers without asking why they are rising.
• Cutting carbs brings the biggest HbA1c and medicine drops, apart from weight loss.
• Remission is real and shown in trials: 46% at 12 months in DiRECT. In Virta’s group, 94% of insulin users cut or stopped insulin.
• Carnivore diets lack long-term trial evidence. The cutting out is likely doing the work, not the meat-only part.
• A diet change this big is a medical treatment — medicine needs adjusting alongside it.

This article is educational and is not a substitute for evaluation, diagnosis, or treatment by a physician. Individual results vary. Do not start, stop, or change any medication without consulting your physician. To be evaluated, request an appointment or call (314) 481-5000.

References

1. Feinman RD, Pogozelski WK, Astrup A, et al. Dietary carbohydrate restriction as the first approach in diabetes management: critical review and evidence base. Nutrition. 2015;31(1):1–13.
2. Lean MEJ, Leslie WS, Barnes AC, et al. Primary care-led weight management for remission of type 2 diabetes (DiRECT): an open-label, cluster-randomised trial. The Lancet. 2018;391(10120):541–551.
3. Hallberg SJ, McKenzie AL, Williams PT, et al. Effectiveness and safety of a novel care model for the management of type 2 diabetes at 1 year: an open-label, non-randomized, controlled study. Diabetes Therapy. 2018;9(2):583–612.
4. Tobias DK, Chen M, Manson JE, Ludwig DS, Willett W, Hu FB. Effect of low-fat diet interventions versus other diet interventions on long-term weight change in adults. Lancet Diabetes & Endocrinology. 2015;3(12):968–979.
5. Howard BV, Manson JE, Stefanick ML, et al. Low-fat dietary pattern and weight change over 7 years: the Women’s Health Initiative Dietary Modification Trial. JAMA. 2006;295(1):39–49.

For patients seen here, diet root-cause work comes through physician-led medical weight loss and lifestyle medicine alongside pain care.

Medically reviewed by Dr. Gurpreet Singh Padda, MD, MBA, MHP — Board Certified in Anesthesiology, Pain Medicine, Interventional Pain Management, Addiction Medicine, and Obesity Medicine. Last reviewed July 2026.

Dr. Gurpreet Singh Padda, MD, MBA, MHP