Hello They are mostly synthetic, too. Synthetic is not "NATURAL"....Just saying.
Organic feeds also use synthetic vitamins, as I said.
You make it very clear that you would never be satisfied with any off-the-shelf feed options. That's your decision. Most of us could never afford such a decision or risk our animals running out of such a basic necessity as balanced shelf-stable food. Please stop pushing the idea that everyone has to make the same decisions you are making.