ors and make sour tasting foods more sweet. I'm a high school science teacher, and I used these both in my classes and for my science club. The students love trying out different sour food items to taste the results. I've used this brand several times, and it seems to be pretty consistent in it's effectiveness and quality. The best way I can describe the effect of these tabs is it makes a lemon taste like a lemon ""shake-up"" from a fair/carnival. It does not create a super ""candy-like"" sweetn