Nutrition Core Research Participant Frequently Asked Questions (FAQs)
Can I have any additional beverages? You may drink as much plain tap water as you like or carbonated flavored unsweetened seltzers such as lemon, lime, or cranberry, each day.
Can I drink alcoholic beverages including beer, wine, and bottled alcohol? No! Unless specifically approved by your study physician.
Do I have to finish all of my food? Yes! You must finish all of the food, beverages and nutritional supplements (for example, chewable Tums) that may be in your diet.
If Tums are included in my diet do I have to take them? Yes! Calcium is a controlled nutrient for the study and we may provide Tums for a source of calcium. Tums are not provided for an upset stomach so be sure to finish them!
What is KCL? Liquid potassium that may be added to your juice to reach the required potassium for your diet.
Can I save my food from day to day? No! All of your food for a particular day must be consumed by the end of that day.
Can I make any substitutions/additions to the diet? No! Changes to your diet will change your study results.
Can I add any spices to my food? Yes, but NO salt! Allowed spices: oregano, Italian seasoning, basil, curry, red pepper, onion powder.
Can I share my food with anyone? No! The food is specifically and only for you.
Can I use baking soda/whitening toothpaste and mouthwash? No! Baking soda/whitening toothpaste & mouthwash contains too much sodium.
Can I take multivitamins/minerals or other supplements? No! Unless specifically approved by your study physician.