>>13665707Not "good" by any means. Current research is focused on "how bad". So far, the evidence for carcinogenicity is weak: "Artificial Sweeteners and Cancer - National Cancer Institute"
https://www.cancer.gov/about-cancer/causes-prevention/risk/diet/artificial-sweeteners-fact-sheet The FDA has been considering issuing a new study on it for a few years, but never has. This meta-analysis went searching for links to everything from diabetes to cancer to autism and again is inconclusive: "Nutrients | Free Full-Text | Aspartame—True or False? Narrative Review of Safety Analysis of General Use in Products | HTML"
https://www.mdpi.com/2072-6643/13/6/1957/htm I'd just have it in moderation. I am a Diet Coke fiend, so take it with a grain of salt, but if you don't drink it to extreme excess or use artificially sweetened drinks as a substitute for water, you're probably gonna be fine.