The topic on the consumption of artificial sweeteners instead of sugar is steeped in controversy. Below are some views conveyed via various media.
The Truth About Artificial Sweeteners by Tim Spector
Sweeteners and Sugar Alcohols on Keto — Dr. Eric Westman
Why You Should Ditch Artificial Sweeteners - Mark Hyman MD
The Truth About Food Quality - Amy Berger
Diet Doctor is an informative source: