The sugar in Apples are humectants and help hydrate the skin
M., Patel, A., Harris, A., Sultan, S., Altayar, O., et al
The Centre for Evidence-Based Medicine (2020)
Glutathione Dysregulation and the Etiology and Progression of Human Diseases. Biological Chemistry , vol
Vitamin C is found in different forms you may notice Vitamin C in ingredients as ascorbic acid, ethyl ascorbic acid, 3-O ethyl ascorbic acid, ascorbyl glucoside, sodium ascorbyl phosphate and more
While short-term insulin sensitivity changes are usually minor, the picture with decades of use is unclear