Vitax Lean This will also depend upon the type of diet that is best for you. That diet will all depend upon certain factors such as health and your weight loss goals. There are many different weight loss diet and diet combinations out there to choose from. When looking for a weight loss diet, there are several things that you need to look for in a diet like this. Is it balanced? Is it more of a crash diet? What kinds of foods can I eat or do I have to order the foods from the diet company? Does this diet entail medication as well as food and exercise? Are there special drinks that I need to have along with the diet?