From the manufacturer

IT ALL STARTED WITH A FIZZ

In 1978, Alacer Corp., based out of Southern California, introduced a simple Vitamin C plus minerals with B Vitamins dietary supplement drink mix, which was quickly embraced by people seeking a refreshing way to support a healthy immune system.* News of this fizzy sensation spread and Emergen-C vitamin drink mix found an impressive following, more and more people began mixing up the original citrus-y flavor to feel the good every day.