Jan 16, 2021 · 6/11/2014. A new study suggests that resveratrol may improve aspects of memory, as well as glucose control, in overweight individuals. For more information about the study and dosage, as well as our tests and comparisons of resveratrol supplements, see the update to the Resveratrol Supplements Review >>. Resveratrol for Glucose Control. 4/13/2014.