I'm familiar with the MyProtein brand (my company started at the same time as they did back in the day). Proteinbites are NOT meant to be healthy. What they are sold as and intended for is an OCCASIONAL high protein treat.
Look at the profile and ingredients:
Casein (Milk), Pea Starch, Pea Protein Isolate, Pea Fibre, Seasoning [Sugar, Salt, Skimmed Milk Powder, Acids (Lactic Acid, Calcium Lactate), Onion Powder, Garlic Powder, Milk Powder, Yeast Extract, Natural Flavourings], Rape Seed Oil, Acidity Regulator (Citric Acid), Chicory Fibre, Colour (Plain Caramel), Flavouring, Salt.
Those parts underlined by me are not that great.