It's jurisdictionally dependent. Possessing peptides isn't illegal in the US (except HGH), only a few states have "possession with intent to distribute" presumptions, and the feds actually don't distinguish between "trafficking" or possession, just the amount involved.
Never a bad idea to look into what you'd be facing worst case scenario in your state,
At the federal level it's very low level stuff until you have more than 50 vials.
Raws take exposure to another level, the theoretical penalties for "manufacturing" are much higher and of more interest to LE. But then when we look at the reality of how they deal with huge operations involving. millions of dollars, the punishments seem similar to a repeat drunk drivers.
The most important thing. you can do is keep your mouth shut, and don't do anything that would give LE a reason to search your home to begin with. For god's sake don't sell any. Otherwise, it's a high bar for LE to cross