Thentic's caffeinated pre workout consists of clinically tested ingredients and scientifically proven dosing regimens. This dynamic blend of ingredients is clinically dosed and backed by evidence-based medicine. If you're looking for a superior naturally flavored and sweetened pre-workout to elevate your fitness goals, look no further. -NATURALLY FLAVORED & SWEETENED: Free of artificial sweeteners, dyes, or added sugars. -SUPPORT STRENGTH, ENERGY & FOCUS: Dramatically increase energy, strength, muscular endurance, and optimize performance. -CLINICALLY DOSED & SCIENCE BACKED INGREDIENTS: Formulated by a Pharmacist & Certified Personal Trainer. -ZERO CRASH: We coupled caffeine with L-theanine so you can rest be assured you’ll have sustained energy throughout your workout without the crash.