03/24/2026
www.biofitphilly.com/biofit-blog/how-atp-actually-fuels-your-body-or-why-creatine
At the most basic level, your body runs on a molecule called ATP (adenosine tri-phosphate). It’s your body’s immediate-use energy source. Every single muscle contraction that your body makes, no matter what you’re doing—requires ATP, because ATP IS THE ONLY ENERGY SOURCE MUSCLES CAN USE!&nbs...