Eating apples is linked to better blood sugar control and better insulin function in the body.
Claim Context
Apple consumption in adults is associated with improved insulin sensitivity (HOMA2-% S) and lower levels of serum insulin, fasting blood glucose, postprandial blood glucose, and beta-cell function (HOMA2-% β).
“In particular, apple consumption inversely correlated with serum insulin, homeostasis model assessment HOMA2‐% β... fasting blood glucose level, and postprandial blood glucose level, and showed a positive correlation with HOMA2‐% S”
Evidence from Studies
No evidence studies found yet.
What Would Prove This
Per GRADE and EBM methodology, here is what ideal scientific evidence would look like to definitively prove or disprove this claim, ordered from strongest to weakest.
Whether eating apples directly improves insulin sensitivity and lowers blood glucose markers.
A randomized, controlled feeding study of 100 adults with metabolic syndrome, randomized to eat 2 apples/day vs. a calorie-matched control for 12 weeks, measuring HOMA-IR and glucose levels.
The long-term association between apple intake and glycemic markers in a large population.
A prospective cohort study of 5,000 adults with baseline and annual measurements of HOMA-S and blood glucose, correlated with apple intake over 5 years.
A snapshot of the relationship between apple consumption and insulin markers in a population.
A cross-sectional survey of 1,000 adults measuring current apple intake and current fasting glucose/insulin levels.