11 top targeted supplements By eabrahams | July 26, 2011 1/12 BONE HEALTH: American Health Ester-C with D3 Combines high-dose vitamin D (5,000 IU), a level which studies say works well at restoring vitamin D blood levels in people who are deficient, with 1,000 mg ester-C, a nonacidic (gentler on the stomach) and more easily absorbed form of vitamin C. 0 comment 38 Facebook LinkedIn Twitter Google + Pinterest Print