Sisu - Ester-C 1000 mg | 60 Tablets*

Enhanced with vitamin C-rich acerola cherry extract and citrus fruits as well as bioflavonoids and rutin for superior immune system support in fewer doses. This antioxidant-rich Ester-C® formula supports immune health and allergy relief and helps maintain strong bones, gums, and teeth. Ester-C® is a less-acidic vitamin C that is gentle on the digestive system; Clinical studies show that Ester-C® increases vitamin C levels in the body for up to 24 hours. Regular vitamin C is first buffered with calcium, then a special process transforms it into trademarked Ester-C®.