This is a randomized, double blind, placebo-controlled study. Eligible participants will have a total of 3 visits to the laboratory. At the first experimental visit individuals will be randomized in a double-blind fashion to either ascorbic acid or placebo and the alternative treatment will be given on the subsequent study visit. The KU Investigational Pharmacy will perform the blinded randomization.
1. Week 1 Visit 1 Screening
2. Week 2 Visit 2 Randomization and Experimental visit
3. Week 5 Visit 3 Experimental visit