Mark Hallman


Mark Hallman is a certified personal trainer, and fitness writer. His goal is teaching people how to look jacked and be fit, without sacrificing other aspects of their life. Using an evidence-based method, he will help you reach your fitness goals.

Back to Experts List

Do You Know Your Carb Tolerance? A Simple Guide to This Crucial Dietary Figure

Carbs don't exactly have a great reputation these days. You've probably heard something about how carbs spike your insulin levels, and if insulin i...