Is it good ever to take nutritional supplements or use strategies to improve energy production, energy use, or recovery from exercise? What makes nutritional supplements or performance-enhancing strategies legal or illegal?

This question is referring to the definition of those trees

Explanation:

BMR (Basal Metabolic Rate) - This type of metabolic rate is considering the amount of energy expended while somebody is resting in a neutrally temperate environment and also in a post-absorptive state in which the digestive system is inactive.

RMR (Resting Metabolic Rate) - This rate is considering the total number of calories that are burned when our body is resting which means that it is supporting circulating of the blood, breathing, some other body functions, and more.

EMR (Exercise Metabolic rate) - This one is considering a TEST which is designed to determine our VO2max and that is considering a measure of overall aerobic fitness which the rate of percentage of burned calories.