The BARITONE study's overall aim is to understand how our eating habits affect our long-term health. By identifying biological traces in blood, urine and other samples - so-called biomarkers - the investigators want to be able to see what people actually eat, such as protein from different food sources as well as fruit, berries and vegetables. These biomarkers could in the future improve the possibilities to find out how dietary habits affect the risk of disease. The investigators are targeting healthy people who are interested in participating in research on biomarkers of dietary intake. The research is divided into a cross-sectional study, where the investigators collect data on the participant's usual dietary intake, health and biological samples at the screening visit, and an cross over intervention study that involves eating three different diets (meat, fish, vegetarian) for a total of 3 weeks with one week wash-out in between.
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Patterns of metabolites in plasma/serum
Timeframe: 1 week