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Research Study: Paid 4 Week Supplementation Study

Would you like to participate in a vascular health study?


A research study is being conducted on the effects of L-Citrulline combined with Glutathione on vascular function at rest and during low intensity exercise in postmenopausal women. We are seeking inactive women (ages 50-79 years) with blood pressure below 150 mmHg.


The study will consist of taking a supplement called L-Citrulline alone or combine with an antioxidant called Glutathione, or a placebo (maltodextrin) for 4 weeks. The aim of the study is to look at the effect of Citrulline and Glutathione combined on the health of the muscles and blood vessels in the human body. Body composition (fat and muscle mass), leg muscle strength, and blood markers of metabolism and antioxidant capacity will be measured.


This study will consist of a total of 5 visits.  Each visit will be about 2 hours in duration. All visits will be to the Department of Kinesiology and Sport Management at Texas Tech main campus.


Those finishing the study will be compensated $280 for their time. 


If interested, please send your contact information to (954-937-9130) or (330-208-3339). A brief telephone interview will be conducted to determine if you qualify.


This study has been approved by the Human Research Protection Program at Texas Tech University and is directed by Dr. Arturo Figueroa, a Professor in the Department of Kinesiology and Sports Management, who can be contacted at in English or Spanish.


Stephen Fischer