If you've just completed a fasting blood test , you might be feeling a little lightheaded, low on energy, or even a bit queasy. So what’s the best thing to eat after a fasting blood test to help you feel better— without spiking your blood sugar or upsetting your stomach ? In this guide, we’ll break down exactly what to eat (and avoid), how soon you should eat, and why it matters. Whether you're doing a cholesterol panel, glucose test, or metabolic screen, here's how to safely and smartly refuel. 🩺 Why You Need to Eat After a Fasting Blood Test Fasting blood tests typically require you to go 8–12 hours without food or drink (except water) . This can leave your blood sugar low and your energy drained , especially if your test was first thing in the morning. Eating the right foods afterward helps: Stabilize blood sugar Restore hydration and electrolytes Boost energy Prevent dizziness or fatigue Rebalance your metabolism 🥗 What to Eat After a Fasting ...