The FDA says stevia glycosides, such as Reb-A, are “generally recognized as safe.” There’s concern that raw stevia herb may harm your kidneys, reproductive system, and cardiovascular system. It may also drop blood pressure too low or interact with medications that lower blood sugar.Click to see full answer. Similarly, you may ask, what are the negative effects of stevia? Side Effects & Safety Some people who take stevia or stevioside can experience bloating or nausea. Other people have reported feelings of dizziness, muscle pain, and numbness.Beside above, is it possible to eat too much stevia? The FDA hasn’t approved whole-leaf stevia or crude stevia extracts for use as food additives because of concerns about possible health effects. If you eat too many sugar-free foods, you can still gain weight if these foods have other ingredients that contain calories. Also asked, is it safe to use stevia daily? According to the FDA, the acceptable daily intake for stevia glycosides is 4 milligrams (mg) per kilogram of body weight. When used as a sweetener or to flavor foods, experts do not consider highly purified stevia to cause adverse side effects.Can stevia give you cancer?Stevia leaf extract does not cause cancer. Authoritative bodies, such as the U.S. Food and Drug Administration (FDA) and European Food Safety Authority (EFSA), have reviewed the scientific data, including cancer studies, on Stevia leaf extract. They agree it is safe for use in our beverages.