What is the difference between protein powder and meal replacement shake?

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Hi, I'm Sarah, a new mom, personal trainer and health nut! I upload new videos every Tuesday. Be sure to subscribe :)
If you love a good smoothie like me, you likely are curious what the difference is between a meal replacement shake and a protein powder, right? Sharing the differences in this video to clear up some confusion. I have many friends asking me if these meal replacement powders are really worth it when it comes to weight loss and the answer is tricky. I use them a couple times a week to "stay on track" and when I don't have time to sit down and eat a sandwich or a salad for lunch. A smoothie is much easier for me to eat on the go! I think if you are trying to lose weight, a meal replacement shake is a good idea if you actually replace a meal with the shake! If you're not, then they probably won't!