Slim Fast is a meal replacement, available in a milkshake or a bar. Five different variations of Slimfast exist: Original, Easy-to-Digest, High protein, Optima, and Low carb.

The milkshakes and bars come in many flavors, including Strawberry Cheesecake, Chocolate Mint Crisp, Creamy Milk Chocolate, Strawberries n’ Cream, and Cappucino Delight.

Slim Fast is the most common diet shake available on the market today. The plan allows for a shake at breakfast, lunch, and then a normal dinner. … but when you reduce too many calories, you can experience side effects. …