Twinlab Gentle-C 1000, Buffered Vitamin C with Citrus Bioflavonoid

What the brand says

Sold as “Twinlab Gentle-C 1000, Buffered Vitamin C with Citrus Bioflavonoid Complex, 1000mg, 100 Tablets”

Dietary supplement. TwinLab Ester-C 1000 with Citrus Bioflavonoid Complex is a unique ascorbate complex bound to calcium from calcium carbonate. This special form of Vitamin C is pH neutral (non-acidic) and contains naturally occurring metabolites.