The headache is the classic sign. Preworkout supplements are mostly bullshit, but I use them, lol. Just a powdered energy product for the most part, but some have some decent shit in them to help you perform in the gym.
The headache is the classic sign. Preworkout supplements are mostly bullshit, but I use them, lol. Just a powdered energy product for the most part, but some have some decent shit in them to help you perform in the gym.