1. Stop supplements - 3 days before
Don’t take any vitamins, omega-3, or plant powders for 3 days before your test.
If your doctor gave you medicine, keep taking it.
2. Avoid things that change your results - 1 day before
Coffee or tea
Alcohol
Seafood
Intense workouts
3. Fast - 12 hours before
- Eat an early, light dinner.
- Then, no food or drinks (not even coffee) for 12 hours before your test.
- Stay well hydrated during and after your fast.