Has been diagnosed with diabetes

Having other conditions, like liver, pancreatic, cardiovascular, gastro-intestinal or endocrine diseases, that could influence the study results

Use of medications or supplements that could influence the study results

Sensitive to medical skin adhesives

More than 5kg weight change in the past 12 weeks

Excessive alcohol consumption (\>21 glasses/week for men and \>14 glasses/week for women on average)

Being an employee of Wageningen University, division Human Nutrition and Health

Currently a research subject in other research

Intervention With a GABA Supplement in Prediabetics