As it depends on each individual's unique preferences and needs. However, some people may prefer other meal replacement or weight loss programs over Optavia for various reasons.  Some may find that another program better fits their lifestyle or budget. In contrast, others may simply prefer the taste of the food from another company.  Ultimately, the best program for you is the one you can stick with, and that helps you achieve your desired results. For Atkins, bars are better than optavia bars.