Pure protein from rice protein powder contains 4 calories per gram as with all other protein.
Pure egg protein contains just 4 calories per gram. So in a 30 gram serve you should be getting around 120 calories.
Hemp protein powder should be around 4 calories per gram, depending on the brand. So a 30 gram serve should be around 120 calories.
All protein provides around 4 calories per gram. So a 30 gram serve of beef protein powder should include around 120 calories.
Raw soy protein powder contains around 4 calories per gram of protein. The calories can rise in soy powders depending on the purity and any additives.
Casein protein from casein protein powder provides around 4 calories for each gram.
Protein powders vary from brand to brand depending on additional additives, so the exact number of calories can be hard to work out.
The protein from whey protein powder contains 4 calories for each gram, so an average 30 gram serve should contain around 120 calories.
Pea protein powder in pure form has roughly the same number of calories as all protein, which is 4 calories per gram.