Answer:
What is it? I can try to help
Explanation:
B, a drug like that could be steroids
Stimulants increase heart rate, increased blood pressure, constrict blood vessels, increased blood glucose
your strength level and eating habits, knowing what you can do is impotent you don't want to over work yourself. eating also plays a big part in this, eating the wrong things can harm your work out.
the activity and your fitness levels,same as the first part.
Yes, that is correct. 1 mcgRAE = 3.3 IU. 4000IU / 3.3 = 1212RAE