Shrimp and  Spirulina pellets are naturally high in proteins and oil . 
Spirulina.
Spirulina is a highly nutritious, protein-rich superfood for isopods that supports growth, improves coloration, and boosts immunity within colonies. 
Shrimp .
Is high in protein boosting growth, breeding, and colony activity.
These are great for isopods, millipedes and much more.
Pellets contain : 
Wheat meal, fish meal,  shrimp/crustaceans, greaves, soybean meal, meat meal, grass meal, Gammarus, Spirulina, Spinach,Astaxanthin and canthaxanthin.
This is a food supplement. Can be added to substrate, sprinkled in encloure or used in food dish .
Alway remove uneaten supplements that will mould or cause problems within 48 hrs .