YOU’RE ON THE CLOCK 24 HOURS A DAY. SO IS ESTER-C®. ESTER-C® IS THE ONLY VITAMIN C THAT IS: Better Absorbed Less Acidic More Bioavailable | | | AND Provides 24hr Immune Support @sisuvitamins Ester-C and Ester-C logo are reg. TMs of The Ester C Company sisu.com | 1.800.663.4163 This product may not be right for you. Always read and follow the label.