 Startling and immediate results. That's what people say about Plan Z by Zola. This isn't one of those lose a pound or two a week diets. The average Plan Z by Zola client loses 31 pounds in under 50 days. Hi, this is Zola. We just surveyed a recent group of Plan Z dieters and asked them to write down a word or phrase that describes Plan Z. See if you can say this about the diet you're on now or any diet you've tried. One dieter wrote, if you're serious about weight loss, do it. Another said, it is great and it does work. Many said, amazing. Here are a few more.