Where is the stevia in Re-Lyte Immunity sourced from?

Re-Lyte Immunity contains a type of stevia leaf extract called rebaudioside A that's grown in China.

Re-Lyte Immunity contains rebaudioside A, a type of stevia leaf extract that's less bitter (and we think much tastier) than other stevia leaf extracts. The stevia leaf extract used in Immunity was grown and extracted in China, which is where about 90% of the world's supply of stevia leaf is grown.