Consistently working out and dieting but still struggling with belly fat? A common mistake is frequent snacking, which keeps insulin levels high and prevents fat burning. By reducing snacks and focusing on 2-3 balanced meals, you allow insulin to drop, signaling your body to burn stored fat for energy.Consistently working out and dieting but still struggling with belly fat? A common mistake is frequent snacking, which keeps insulin levels high and prevents fat burning. By reducing snacks and focusing on 2-3 balanced meals, you allow insulin to drop, signaling your body to burn stored fat for energy.