Aspartame is arguably the safest artificial sweetener. It's made of two naturally occurring amino acids and it's rapidly destroyed by the acidity of the digestive system.
Plenty of natural things will kill you, fast or slow. Also, if you combine natural things together in an industrial process, the result isn't natural anymore.
Plenty of natural things will kill you, fast or slow. Also, if you combine natural things together in an industrial process, the result isn't natural anymore.