Can fat burn really start in just 3–5 days? Let’s clear it up. 🔥 Yep — when you follow a structured plan like OPTAVIA’s Optimal Weight 5 & 1 Plan® your body can shift into fat burn within days. But it’s not magic; it’s science. Here’s what needs to happen: 🥗 You reduce carbs and balance your meals ⏱️ You eat small, frequent portions to keep blood sugar steady 💪 You give your body structure and enough protein to protect lean muscle Once carb stores run low, your body starts using fat as its go