Should You Eat Before A Drug Test - Eating may affect the accuracy of the results, as many foods can interfere. Web your best chance of passing a urine drug test is to drink lots of water. Eat an hour (or more). Avoid all diuretics or caffeine—the day of the drug test until after the collection is done. Web no, you should not eat before a drug test.
Eat an hour (or more). Avoid all diuretics or caffeine—the day of the drug test until after the collection is done. Eating may affect the accuracy of the results, as many foods can interfere. Web your best chance of passing a urine drug test is to drink lots of water. Web no, you should not eat before a drug test.