Our expert says:
One by one:
Creatine does have a long lasting effect, but it's not the creatine that causes it, it is the training done while on it. Creatine itself would only pump the muscle because of water retention (which it does cause), but the longer lasting effect is a training one, because you can increase the training intensity while on it.
Protein is the only SAFE thing to use, and even that is in some cases only. The risk of contamination is high. But all the other stuff on the market is neither tested nor proven to work, so it's all anecdotes and stories. Are they safe? Who knows? Do they work? Who knows? The research is non-existent, so we know nothing about supplements.
For USN Nitrox - see the answer above. They don't know the side effects because they don't care. They don't have to care, because they don't have to prove safety to anyone. Supplements are completely unregulated, no control at all. So they do what they want to do.
Same again for question four. There is a risk of contamination, because the supplements are uncontrolled. Do they shrink the male organ? See the above two answers.
Same again - who knows. Supplements are not medicines, so we don't know how they work most effectively, and the companies that make them don't care either. I'd certainly agree with the idea that you should not keep it up for too long...
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