- Advanced time-release formula extends absorption of vitamins by the body.
- Features rose hips for added antioxidant support.
- Immune system support. For an all-day release of vitamin C, try Swanson Vitamin C with Rose Hips! This timed- release formula gradually delivers 1,000 mg of vitamin C and 100 mg of rose hips over a 6-8 hour period to promote maximum absorption. Rose hips have bioflavonoids that promote the vitamin’s absorption and enhance its antioxidant potency.