GNC Vitamin C 1000mg Buffered – 180 Caplets Published January 28, 2023 at 1200 × 1372 in GNC Vitamin C 1000mg Buffered – 180 Caplets GNC Vitamin C 1000mg Buffered – 180 Caplets Timed release 1000mg of Vitamin C with 200mg of Bioflavonoids buffered with calcium absorbate to be gentle on the stomach and appropriate for those who have gastric issues such as ulcers.Read moreShow less