No, your a concerned kid about the health and wellbeing of your pets, which is a noble great thing to do.
hand your mom a box of food from the cupboard, and say the same thing, all these ingredients must be good for you, becouse its in people food. Kraft mac and cheese is my favorite, has a kid right on the lable... yet, take a good look at all the junk we are putting in our children with that food on the table. Over 50% you cant pronounce.
In the mean time, I would quitely take out the seeds and junk from your pigs food, and feed the pellets only. Do your research, and try and explain to mom when she isnt mad that you are only trying your best for your pets as she tries her best for you.