The food of the golden bear is red.

Does the subject want to ask "What is the red color in the golden bear food"? Seeds, grains, etc. The red particles in the golden bear grain should be caused by some pigment additives in seeds, grains or processed foods. It should be noted that no matter what ingredients the golden bear food is, it should be preserved and used under the right conditions to ensure that the golden bear gets comprehensive nutrition and avoid potential health risks.