Do they work on adults, and can you choose to take them?
Best answer:
Answer by tom2k8lol
dont think so
Know better? Leave your own answer in the comments!
Answer by tom2k8lol
dont think so
Answer by insomnia c
You might find this interesting. Fortunately I live in the UK where hormone growth promoters were banned some time ago.
Not sure how reliable the research is though.