High-glycemic foods, which cause rapid spikes in blood glucose levels, can lead to fluctuating energy levels. Initially, they provide a quick energy boost; however, this is often followed by a crash, resulting in feelings of fatigue and irritability. Consistent consumption of these foods can lead to issues like weight gain and an increased risk of insulin resistance. Instead, opting for low-glycemic foods helps provide sustained energy by promoting stable blood sugar levels, ultimately leading to improved overall energy management.