Well you're comparing a one product run to a 3 product run so money wise forma-stanzol takes it.
Strength wise and muscle wise, I can say without a doubt forma-stanzol will yeild more results in growth over the other 3 stacked. Test boosters and a natural AI will not produce results in the gym IMHO. Their use sticks to being an AI or simply boosting test (which won't yield gym results) but it will give you a pretty looking blood test result so they definitely have their spot
I have never put on mass or really gained strength from test boosters and don't see a natural AI doing so either.
Forma-stanzol is an effective steroidal AI with solid anabolic properties. I wouldn't go as far as saying it will "shut you down" lol it is very light in that department. But it is steroidal, and you will lean out and build muscle a lot faster than naturally possible even if using natural supplements.
It depends what your looking for. If you want a good looking blood results I would go with the 3 products (they sound solid for a PCT run and health benefits) but I doubt they will help in the gym in a noticeable manner. If you want gym results... I would say it's obvious forma-stanzol will give you them.