It's not another diet. In fact, it's EXACTLY the opposite. 21 Day Fix lets you EAT! Only in just the right portions, so you don't feel miserable and deprived - but you CAN finally start losing weight. What's the secret? Our seven exclusive containers. Each one is color-coded for a different kind of food, and pre-measured for the precise portion. You'll never have to "eyeball" your measurements againâ??if it fits in the container, you can eat it! Combine this eating plan with one 30-minute workout a day. That's all. It's that simple!