No, one can have non-veg food, if you are eating so. One can have fish, chicken, eggs, milk, fish oil etc. You can enjoy your favorite non-veg recipe. If one is not eating non-veg then that person can shift to plant-based foods like nut milks – almond milk, soya milk, coconut milk and nut flours or butters like almond flour, coconut flour and almond butter etc.