Patient Instructions Prior to Tests

It is very important that these instructions are adhered to prior to tests at Biolab (unless your doctor specifically advises you otherwise).

Trace elements: No supplements on the day of the test.

Antioxidant screen: No supplements on the day of the test.

Bile acids: No food for at least 3 hours prior to the test or record the time since the last meal.

Breath Hydrogen: No food overnight prior to the test.

D-Xylose tolerance test: Fasting from 10pm the previous evening.

Glucose tolerance tests: Fasting from midnight the previous evening.

Gut fermentation profile: No food for 3 hours and no alcohol for 24 hours before the test.

Health risk profile: Preferably no supplements on the day of the test.

Lactose tolerance test: Fasting from 10pm the previous evening.

Lipids: 14 hour fast.

Osteoporosis profile: Preferably no supplements on the day of the test.

Zinc tolerance test: Fasting from 10pm the previous evening.