Geen
Conditions
Interventions
Participants will be randomly allocated to a placebo or an intervention group.
Participants in the intervention group will consume 2 g of krill oil a day.
This will result in the intake of the recomm
Sponsors
Open Universiteit
Eligibility
Age
12 Years to 17 Years
Inclusion criteria
Inclusion criteria: Healthy adolescents 14-15 years old Mother tongue is Dutch Participating in lower general secondary education (it represents a group with a lower socio economic status and in this way it is assumed that we preselect a group with a low omega-3 index which might benefit most from a supplement like ours). Only the first 350 students with an omega-3 index
Exclusion criteria
Exclusion criteria: Medical disorders associated with learning deficits such as ADHD, dyslexia, or autism. Fish consumption higher than twice a week. Use of fish oil supplements Seafood allergy
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| 1. Academic achievement (grade point average for Dutch, English, and mathematics) 2. Cognitive performance Speed of information processing(Symbol Digit Modalities Test, Trail Making Test) Attention (D2 Test of Attention) Working memory (N-back Taak) 3. Behavior Absenteeism (schools will provide a list) Motivation (MSLQ) Goal orientation (Achievement Goal Questionnaire) Mood (CES-D) Self-esteem (Rosenberg Self-esteem Scale) | — |
Secondary
| Measure | Time frame |
|---|---|
| Perceptual processing measured with eye tracking (in sub-sample only) | — |
Countries
Netherlands
Outcome results
None listed