In the ways drugs and supplements are the same are they both have an effect of the body's nervous system and both are psychoactive substances. In the ways they are different, drugs are often used for overcoming a illness while supplements are not necessary and are optional. Hope I helped!
Answer:
1: Body Composition
2: I think it's Fat-free mass because body fat is of course just your body fat and BMI is just your mass times your height.
Explanation: