Testosterone is naturally released during exercise- squats and deadlifts and being the most popular way to increase testosterone.

You don't need a booster, especially at your age, trust me when I tell you your young body is producing all that's needed when it comes to hormones and muscle building.

Rely on foods: protein, fruits, veggies, whole grain, health fats. They do more than any steroid can do.

Yes, I just said it - diet is more important and will help you more than anabolic steroids will.