Aaron Marino of alpha m. presents nutrition and calorie comparisons for protein powder (PP) and meal replacements (MR).
The PP is a supplement for the every day diet. The MR is protein but also carb, fat, and higher in calories. PP is about 80 -100 calories whereas MR is 300 - 400 calories.
The bars are MR and between 300 - 500 calories with high fat, high protein, and high carb. MR bars are replacing a meal, not as a snack.