The Study
Impact of a Low-carb Diet on Obese Patients with Type 2 Diabetes Based on the Intermittent Fasting Regimen
This study watched 20 people eat differently for 8 weeks and saw that their blood sugar and weight got better. But because no one else ate normally as a comparison, we don’t know if the diet made the difference — maybe they just felt better because they were being watched or it was springtime.
Analysis score
Maximum 90 for a randomized controlled trial.
Where the score came from
People with type 2 diabetes and obesity ate very few carbs and only ate during a 6-hour window each day for 8 weeks.
Where does this study sit?
Reviews of RCTs (Meta-analyses)
Max 100Randomized Trials
Max 90Reviews of Cohort Studies
Max 85Cohort Studies
Max 72Reviews of Case-Control Studies
Max 63Case-Control Studies
Max 58Cross-Sectional & Case Series
Max 50Expert Opinion
Max 555 / 100
Quality score
Participants are randomly assigned to treatment or control groups, minimizing bias. The gold standard for testing whether an intervention causes an effect.
Key takeaways
Summary
Based on the study abstract and findings.
- 1These changes mean better blood sugar control, less insulin resistance, and lower heart disease risk — similar to what some diabetes medications achieve, but without drugs.
- 2They lost 9.4% of their BMI, their blood sugar (HbA1c) dropped from 8.19% to 6.99%, their bad fat-to-good-fat ratio (TG/HDL) fell by 63%, insulin resistance (HOMA-IR) dropped by 77%, and their bodies started burning fat for fuel (ketones rose 9-fold).
Score breakdown, methodology, conflicts of interest, evidence analysis & raw study data
Publication
Journal
Biomedical and Pharmacology Journal
Year
2025
Authors
Driton Sopa, A. D. Lorenzo, L. Renzo
Related Content
Claims (6)
When carbohydrate intake is low, the liver breaks down fatty acids to produce ketone bodies.
In obese adults with type 2 diabetes, following a 1,300 calorie per day low-carbohydrate diet and eating only during a 6-hour window each day for 8 weeks is associated with a 9.4% drop in body mass index, a 15% drop in blood sugar levels, and a 63% improvement in the triglyceride-to-HDL cholesterol ratio.
In obese adults with type 2 diabetes, an 8-week low-carbohydrate, intermittent fasting regimen is associated with a 63% reduction in the triglyceride-to-HDL cholesterol ratio and a 77% decrease in HOMA-IR.
In obese adults with type 2 diabetes, following a low-carbohydrate intermittent fasting diet for 8 weeks results in a 9-fold increase in urinary ketone levels, showing a shift in metabolism toward burning fat for energy.
Among obese adults with type 2 diabetes, following a low-carbohydrate intermittent fasting diet for 8 weeks results in a 77% decrease in HOMA-IR, a measure of insulin resistance, from 6.99 to 1.57.
Among obese adults with type 2 diabetes, following a low-carbohydrate intermittent fasting diet for eight weeks results in a 12.4% decrease in waist circumference and a 3% decrease in waist-to-hip ratio.
Not medical advice. For informational purposes only. Always consult a qualified healthcare professional before making health decisions.