Aspartame is an artificial sweetener that the speaker deems 'fair game' and 'pretty dang innocuous.' According to current research, it is considered safe for consumption, even in substantial quantities, without leading to negative health effects over a lifetime. It is widely used as a sugar substitute in diet beverages and other products.
The other sweeteners like sucralose, aspartame, stevia, or some people call it stevia, um, they're all fair game.
""The speaker includes aspartame in a list of artificial sweeteners that are generally regarded as safe for consumption, distinguishing them from saccharin. He emphasizes its safety and the unlikelihood of negative health effects from typical intake."