There are actually genetic reasons that some percentage of the population tastes both common artificial sweeteners as bitter https://academic.oup.com/chemse/ar

There are actually genetic reasons that some percentage of the population tastes both common artificial sweeteners as bitter https://academic.oup.com/chemse/article/38/5/379/360864?login=true https://academic.oup.com/chemse/article/38/5/379/360864?logi... It's related to why some people taste Cilantro as soap too.