Nature's Bounty Time Released Vitamin C 500mg is a dietary supplement designed to support immune system health. Each bottle contains 100 capsules with a time-released formula for optimal absorption and utilization by the body. This time-released formula provides a steady supply of Vitamin C throughout the day, which helps support immune function, collagen formation, and acts as an antioxidant. Vitamin C is an essential nutrient that the body cannot produce on its own and must be obtained through diet or supplementation. The 500mg dosage is a common recommended amount for daily supplementation.