Let's talk about supplements, many people who are just starting going to the gym and living a healthier lifestyle are under the impression that supplements are a must however, they are not. You don't need pre workout to live same goes for protein powders. Supplements are designed and ment to help you with your fitness lifestyle, not be a mandatory requirement.
That being said even though they are not a requirement they will help you greatly. Let's take pre workout, you don't need it to get though a workout however it gives people that extra boost that they need to make the workouts more intense and overall grow more muscle.