Soy Cholesterol

I noticed while shopping in the store, whey protein has more cholesterol than soy protein supplement. He is 40 mg (DV 16%) in the whey vs. soy 0mg. Why?

Whey is a derivative of milk products. Animals produce cholesterol. Soy protein is a plant product.

becuz animal products contain only becuz cholesrerol animals produce only, not plants, and whey is a milk product and soybean plants are