Swanson C-1000 with Rose Hips is an antioxidant-boosting formula. With the help of rose hips, vitamin C works to protect against free radicals, promoting a healthy immune response. The body also uses vitamin C to support endogenous collagen production and aid iron transport to energize cells. Rose hips also have bioflavonoids that promote the vitamin's absorption. Each tablet delivers 1,000 mg of vitamin C and 100 mg of rose hips.