Comment: If that's your criteria...

... then you contain growth hormones.

How do you explain the very low incidence of cancers in societies which eat almost 100% meat such as the Inuit and The Masai? They must be full of (natural) animal hormones, but have a far lower incidence of disease than those eating a western diet.

In other posts in this thread you make much ado about asking for references. So I ask the same of you: Please show us the clinical studies which back up your claims that natural animal growth hormones cause cancer or any other disease.