These liquid sweeteners are ideal for the keto diet because unlike most powdered sweetener packs, these are truly zero carb and truly zero calorie sweeteners. In the average packet of yellow sweetener (you know who we're talking about) there is about half to a full gram of dextrose, pure sugar. But in Keto and Co liquid sweeteners there's truly zero carbohydrates.
Every tongue is different, and individual genetic makeup determines which non nutritive sweeteners are going to taste cleaner or more bitter to you. Most people find one tastes much more like real sugar with far less of an after taste than the others.
If you don't know which one is good for you, grab one of each and give them each a try. Have a family member or friend give you a blind taste test of three drops in a cup of water -- which one you like might surprise you.
Each 1/2 ounce (15 ml) bottle has the equivalent sweetness of 4 to 6 pounds (yes, pounds!) of sugar. A little goes a long way.