The Myth That Keto Cures Diabetes Explained
The ketogenic diet has gained attention for its potential effects on blood sugar control. But claims that it ‘cures’ diabetes oversimplify a complex condition. Understanding the distinction between management and cure is crucial for people with type 2 diabetes considering dietary changes.
What the research actually shows
Several studies demonstrate that very-low-carbohydrate diets can improve glycemic control. A 2018 study by Hallberg et al. found significant HbA1c reductions in participants following a ketogenic diet over one year (DOI: 10.1007/s13300-018-0373-9). However, the researchers carefully avoided the term ‘cure’, instead noting improved management.
Ketosis alters how the body processes glucose. By severely restricting carbohydrates, blood sugar spikes diminish. This doesn’t address the underlying pancreatic dysfunction in type 2 diabetes, though it may reduce the symptoms. the keto adaptation timeline varies between individuals.
What this means in practice
In the UK, adopting keto means adjusting to local food availability. Tesco sells double cream for £1.20 per 300ml pot, a staple for many following the diet. Seasonal berries like British raspberries (frozen year-round at £3/kg) provide lower-carb fruit options.
The NHS recognises low-carb diets as one option for managing type 2 diabetes, but doesn’t endorse them as curative. Their position reflects the evidence: dietary changes can support blood sugar control, but diabetes remains a chronic condition requiring ongoing monitoring.
The remission misconception
Some interpret ‘remission’ – defined as maintaining normal blood glucose without medication – as cure. Athinarayanan et al.’s two-year study (DOI: 10.3389/fendo.2019.00348) showed sustained remission in some participants, but noted this required continuous dietary adherence. Reintroducing carbohydrates typically reverses the benefits.
This differs fundamentally from cure, which would imply permanent resolution regardless of subsequent diet. The pancreas’s impaired insulin production capacity in type 2 diabetes isn’t restored by ketosis, though the metabolic load is reduced. common keto electrolyte mistakes can further complicate blood sugar management.
Frequently asked questions
Can keto reverse type 2 diabetes?
While some achieve medication-free blood sugar control through strict keto adherence, this constitutes management rather than reversal. Discontinuing the diet usually sees glucose levels rise again.
Is keto safe for people with diabetes?
Under medical supervision, many with type 2 diabetes benefit from reduced carbohydrate intake. Those on insulin or sulfonylureas require careful medication adjustment to avoid hypoglycemia.
Why do some claim keto cures diabetes?
Simplistic interpretations of remission data and anecdotal success stories sometimes overstate the evidence. The distinction between management and cure gets blurred in popular media.
The bottom line
The ketogenic diet shows promise for managing type 2 diabetes symptoms, particularly in reducing HbA1c and medication dependence. However, characterising this as a cure misrepresents the science and risks giving false hope. Sustainable dietary changes, regular monitoring and professional guidance remain essential. If you’d rather not do the macro maths yourself, the Keto Dieting app does it for you on Google Play and the App Store.
References
- Hallberg SJ, McKenzie AL, Williams PT, et al. (2018). 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. https://doi.org/10.1007/s13300-018-0373-9
- Athinarayanan SJ, Adams RN, Hallberg SJ, et al. (2019). Long-Term Effects of a Novel Continuous Remote Care Intervention Including Nutritional Ketosis for the Management of Type 2 Diabetes: A 2-Year Non-randomized Clinical Trial. Frontiers in Endocrinology. https://doi.org/10.3389/fendo.2019.00348
