24 may or may not be fine. Studies show that 25 is the age that the HPTA is fully mature.
I will admit that 24 carries less risk however I think it is a little reckless assuring him that 24 is fine.
I also feel that stacking on the first cycle is reckless.
A first cycle should be test only. You will see a difference with just test. You only add one compound at a time to see how you react. It allows you to get to know your body and it’s reaction.
Getting back to the original question. His joints and muscles need to have a good base before adding AAS . He will likely get injured.
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