You need your immune system working at its best all the time. That's why there's Ester-C®, The Better Vitamin C®.
Ester-C® is a unique, exclusive form of Vitamin C designed to stay in your white blood cells for 24-hours, providing you with around-the-clock immune system support.* Ester-C® is non-acidic and stomach friendly, so you can take it all year long to support your heart, skin, gums and antioxidant health, too.* After all, you don't want your immune system unsupported when you need it most. Take Ester-C® every day, just once a day, and your immune system will "C" the difference!*
Available in 500mg (60ct, 90ct, 120ct and 180ct sizes) and 1000mg (60ct, 90ct, 120ct sizes).