When you eat anything that is considered a high glycemic food (will rapidly increase blood sugar), insulin is secreted by the beta cells of the pancreas immediately to control this spike in blood sugar.
The use of an antioxidant may or may not have some effect. That is assuming that the antioxidant is still an antioxidant.
I have been asked so many times, “How does a cosmetic hydrate the skin”? I will tell you what I know from both a scientific and common sense perspective.