The only person who knows what Ronnie is on, is Ronnie himself. I can gurantee you his wife doesn't know everything he takes.
And the gut he has isn't from GH use either. When you weigh over 300 lbs in the off season, that is a lot of food you are eating to get that heavy and that is what expands the gut. Think about it, a stomach that can digest 5000 calories is going to be a lot bigger than a stomach that can digest 2500 calories.
If you noticed, guts didn't come around until people started competing over the 240-250lb mark. Back in the 90s people didn't have guts, but not because they didn't use GH. Levrone, Taylor, Flex, Ray, etc... those men competed mostly under 230.