How much does soy affect a man's test level?

From things I've read and listened to, you would have to be eating a good amount each day...which you may already do from other food products. If you know you're only eating that 8oz once a week, I don't think there's much risk.

Some of the dieticians that I've listened to also are against GMO soy which they say might increase the chances of lowering test...but I don't know how far you would go into believing that