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I also have to agree that Stevia or any artificial sweetener are simply not necessary in any diet. "In 1991, the FDA refused to approve stevia as a sweetener as an additive in foods. However, in 2008, after the purification process was developed and patented by Coca-Cola, the FDA approved the stevia extracts"
https://www.medicalnewstoday.com/articles/287251.php

There are several forms of Stevia... we use the liquid version... i guess it is better than sugar :)