Following Non-veg foods are good source of Protein-
Eggs: contain high-quality protein, healthy fats, B vitamins, choline, amino acids( leucine) which is particularly important for muscle gain.
Shrimp: Almost pure protein, adding some shrimp is an easy way to get muscle-building protein without too many additional calories.
Salmon: is a great choice for muscle building and overall health.
Chicken breast: They are packed with protein, B vitamins, niacin and B6, which may be particularly important if you are active.