Diets with less than 30% of calories from fat can negatively impact human hormones, lead to cravings and skin issues, and are difficult to sustain long-term.

“going too low in fat can make people feel quite bad so less than 20% you can start to see uh rapid utilization of your of your food so you'll eat the food you'll be you'll burn through pretty fast you'll get hungry like an hour later and then you're going to eat again you're snacking all day long then you can start to see issues with brain fog and libido and some of the the steroid hormone components”

“if you go below 30% of your calories from fat in terms of macronutrients you're not going to feel great you're going to be craving it all the time you may get skin issues you almost certainly will get hormonal issues”

“If you go much below 20% of your calories from fat, you're going to affect your hormones. You're going to affect your sex hormones, your testosterone, your estrogen, men or women. You're going to affect your fertility, your sperm count, your sex drive.”