​​Emergen-C 1000 mg Vitamin C Powder dietary supplement helps you achieve your wellness goals with multi-benefit immune support. Vitamin D plays an important role in regulating immune system function. Each serving contains more vitamin C than 10 oranges. It comes in convenient packets and delicious flavors with B vitamins for energy support and key electrolytes to help replenish what's lost through perspiration. Emergen-C Super Orange flavored fizzy drink mix with other natural flavors is easy to dissolve. Mix one packet with 4 to 6 ounces of water.