01
Before Your Appointment
72 hours before your test
- Stop all supplements (unless prescribed)
- Continue doctor-prescribed medications
- Avoid sexual activity, intense exercise, and weight training (light walks are okay)
8 hours before your test
- Avoid alcohol
- Eat a light, healthy meal before your fast
- Begin fasting — no food or drinks, including coffee (water is encouraged)
Morning of your visit
- Drink at least 1 liter of water to stay well-hydrated
- Avoid any physical activity before the draw






