Sylvia_StephenWelcome to the Human Nutrition Unit (HNU) based at The Rowett Institute, University of Aberdeen. Here, we run a variety of human nutrition studies for which volunteers are needed.

The HNU was established in 1986 to provide a metabolic research facility to study the relationship between diet and health in humans. Find out what it’s like to be a volunteer watch our videos below.

Find out more about the studies currently being conducted in the Unit and how to participate - see study list below. You can also read our volunteers newsletter.

Sylvia Stephen (HNU Manager)

Current studies which require volunteers


  • Eating and Environment - We need your help to develop ways of informing people how the food we eat affects our environment.
  • Benefits of Barley - Taking part in our study will help us understand more about the benefits of barley.
  • Moringa Study - Please join us and help to find out if Moringa Oleifera (The Miracle Tree) could add a piece in the puzzle of tackling malnutrition in Malawi.
  • Taking the Biscuit - do you like eating biscuits? Help us to assess the acceptability of some new higher protein biscuit products.
  • Womb to WEAN - Are you interested in learning about how the foods you eat during pregnancy might affect the foods your baby prefers during infancy?
  • PRECISE Study - PRECISion nutrition approach to balance metabolic health with Extracts.
  • Wholegrain Study - Explore how wholegrain compounds can make your blood vessels more healthy.
  • Shake up your AGE - Help us to find out if some processed foods can influence how you function
  • Meal Time Study- Volunteers required for a 10 week weight loss study
  • VegGI Study - We are interested in understanding the health benefits of eating vegetables.
  • Big Breakfast Study - Volunteers needed for a 10-week weight loss study.
  • Mackerel and Health Study - Help us investigate the long term beneficial effects of eating mackerel fish.
  • Sweet Tooth - Volunteers required for a study looking at how sugar habits develop over time.
  • Zinc in Potatoes (ZiP study) - Male and female volunteers needed investigate whether eating naturally zinc-enriched potatoes can improve health.

Please Note: Although we are a nutrition research unit we are unable to provide advice on diet to individuals not currently participating in any of the studies. If you are concerned about your diet, please consult your GP.