Stacy Sims claims that female athletes should consume a small amount of protein and carbohydrates before training to prevent muscle catabolism because female physiology is sensitive to energy deficits

“So, if a woman comes to me, it's like, I want to lose weight and I've been doing fasted training. I get up, I have a black coffee, I go to the gym, I do my lifting, I do some of my cardio. So, my girlfriend does exactly that. and then I'm not that hungry because I did a hard workout at the gym. I mi”