Mostly placebo effects. Most of the supplements on the market don't have what they claim are in the product. A person needs pure grade ingredients to ever get a decent finding/reading. But in the end it doesn't matter because most people are genetically fuked
including myself.
Someone asked me today "hows life". I said to them "its taking to long". True story. Then I snorted some Deer Antler and went to the gym and had my best workout in years.