Highly absorbable nonacidic vitamin c bioflavonoid complex esterc plus is exclusively formulated for solgar and provides a patented method of supplementing ph neutral nonacidic vitamin c to prevent digestive irritationvitamin c is an antioxidant vitamin essential to the bodys health and is especially important for maintaining healthy skin also known as ascorbic acid vitamin c is a watersoluble vitaminunlike most other animals humans cannot make their own vitamin c with vitamin c playing