The findings of this research support the conclusion that FDA-approved sugar substitutes are safe to use in moderation. Also, GRAS sugar substitutes (stevia extracts, monk fruit extracts, and sugar alcohols) are considered safe. While they're considered safe, sugar substitutes can cause diarrhea.

Are sugar substitutes bad for you?

“Artificial sweeteners will not immediately raise your blood sugar like real sugar,” Taylor says. Sugar substitutes may cause you to crave more sweet and sugary foods. Studies link artificial sweeteners, considered safe in moderation, with a higher risk of glucose intolerance, a precursor to prediabetes and diabetes.

What are the top 10 dangers of artificial sweeteners?