Time-Restricted Eating Shows Promise for Type 1 Diabetes Management
A six-month trial found that adults with Type 1 diabetes and obesity who ate only between noon and 8 p.m. improved their blood sugar control, with HbA1c dropping by about 0.5%. This was better than a calorie-reduction group, and no increase in serious complications was observed. The study offers early evidence that intermittent fasting could be a safe adjunct therapy.
The study enrolled 32 adults from the Chicago area who had both Type 1 diabetes and obesity, a combination affecting roughly 0.5% of the U.S. population. Participants were randomly assigned to eat only between noon and 8 p.m., cut calories by 25%, or maintain their usual habits.
Over six months, the time-restricted group achieved an average 0.5% reduction in HbA1c, a marker of long-term blood sugar, which surpassed the calorie-cutting group. Importantly, no increases in dangerous blood sugar extremes or diabetic ketoacidosis were observed. The researcher plans larger multi-site studies to validate these early findings, emphasizing that medical guidance remains essential.
This early evidence could offer a practical alternative to calorie counting for the roughly 0.5% of Americans with both Type 1 diabetes and obesity. If confirmed in larger trials, time-restricted eating may become a useful adjunct therapy, potentially simplifying daily management. However, given the small sample size and short duration, patients should not adopt this approach without close medical supervision, as individual insulin needs and metabolic responses vary widely.