The Aspartame powder is low calorie sweetener. Aspartame is a dipeptide which is composed of amino acid methyl ester aspartic acid and phenylalanine. Note: Because Aspartame’s breakdown products include phenylalanine, aspartame must be avoided by people with the genetic condition phenylketonuria (PKU). Aspartame report a sweet aftertaste as well as bitter and off-flavor aftertastes . Generally Suggested Use: This pure Aspartame powder is very concentrate sweet. 1 gram of the powder equal to about 0.44 pounds sugar; 28 gram (1 oz) of the powder equal to about 12 pounds sugar. Since the dose is so small for your sweet purpose, its calorie can be negligible. To take 1/32 teaspoon of this powder (about 35mg) mix in food products, drinks, or beverage; or take out some amount as desired and mix into water to dilute its sweet intensity. If you want to accurately weigh dose amount, an accurate balance (0.01g-1g) is recommended. Or do your own research for use amount, and your own usage purpose. Please consult with doctor before taking Aspartame. Do not take aspartame if you have Phenylketonuria( PKU).