Is anything wrong with my mouse food?

I was just wondering if my mouse food is OK.
I have had people on other mouse forums say that it is really bad food. I get it from some big tubs that are in the store, I don't buy it in bulk bags because the pet store doesn't provide it. I wish I could find a place that sells bulk bags but so far I haven't so I was wondering if you could tell from these photos if there is anything in this food that I should remove, or if there is anything I should add.

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There are too many sunflower seeds and not enough oats really. I use lab block. You can buy it at most pet stores in smaller bags. Or online in bulk. It's perfect for them.

Lab blocks are nutritionally designed to provide a mouse with everything it needs. They should be the basis of a mouse's diet. Seed mix can be used as a supplement--more of a treat.