28 Packets Per Box.,
Give Your Immune System a Boost!,
Just pour packet directly into mouth or Mix With Water.,
- Uses zinc, elderberry, and high-quality echinacea
- Incorporates USANA’s proprietary Poly C® vitamin C blend
- Low calorie with no artificial sweeteners, flavors, or colors
- Formulated by USANA scientists
- The proprietary Poly C used in the Booster C 600 blend has been shown to provide higher levels of vitamin C over a longer period of time.