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Three studies from the EASD 2026 Annual Meeting explored how different diets affect diabetes outcomes — and the results are more nuanced than expected. For type 2 diabetes, both low-carb and conventional diets cut liver and pancreatic fat similarly. For type 1 diabetes, a low-carb diet reduced insulin needs and improved glucose time-in-range, while intermittent fasting showed durable weight loss but glycemic gains faded once structured support ended.
Three new studies presented at the EASD 2026 Annual Meeting put popular dietary strategies for diabetes under the microscope — and the takeaway is that what you eat matters, but so does the support system around it. For type 2 diabetes (T2D), a carbohydrate-reduced, high-protein (CRHP) diet delivered via meal kits performed no better than a conventional diabetes diet at reducing liver or pancreatic fat over 12 months. Both diets achieved meaningful fat loss and body composition improvements, suggesting diet quality — not just macronutrient composition — may be the key driver.
For type 1 diabetes (T1D), a low-carbohydrate diet (15–20% of energy from carbs) reduced daily insulin needs and improved continuous glucose monitoring metrics compared to a traditional diet, without raising safety concerns around lipids or ketones. On the intermittent fasting front, both intermittent energy restriction (IER) and time-restricted eating (TRE) produced lasting weight and fat loss in T2D patients at 12 months — but glycemic improvements partially reversed once intensive study support ended.
Key Takeaways:
Why it matters: These findings reinforce that dietary interventions can meaningfully improve diabetes outcomes — but sustained support is critical to locking in glycemic benefits long-term. Clinicians should consider both the dietary pattern and the infrastructure around it when counseling patients.
