Adult Volunteers Healthy adults ages 18 to 45 years old are needed to study the effect of supplemental phosphorus on the human metabolome. You will not be able to participate if you have certain health problems, are pregnant, or use chronic antacids or laxatives. Involves 4 visits (30 minutes each) over 6 weeks. Compensation provided. Alexandra 975-9743 or This email address is being protected from spambots. You need JavaScript enabled to view it..