Solaray Reacta-C
Reacta-C is an advanced Vitamin C formula that provides a reacted complex of Strontium Calcium Ascorbate with L-Threonate. Other key ingredients like Bioflavonoids, Indole-3-Carbinol, and a highly synergetic Vitamin C support base for optimum bioavailability and effectiveness. There's no acid in this formula so it's gentle on the stomach while providing optimal benefits.