China and other parts of Asia have used tea leaves for millennia to ... Get all the news you need in your inbox each morning.

Commonly known as sweet leaf ... stevia. Unfortunately, many commercial stevia products are highly purified stevia extracts and are not always as healthy as some of their 'natural' labels would ...

For example, the FDA has approved the use of steviol glycosides in food, but not the use of whole Stevia leaves or crude extracts, although you may be ... of good and bad bacteria in the gut ...