Metaforce is aspartame free, contains no added fillers or sugars that could negatively impact body composition. Designed to take the guesswork out of your daily nutrition, Metaforce represents a time-released protein blend for the next millennium! Its taste, texture and aroma are unsurpassed by any other nutrition formula currently available or your money back. In fact, all of Metaforce beta testers describe its taste as deliciously addicting! You will literally look forward to each and every shake as you recover and build muscle. Unrefined Flaxseed Powder.