The Effect of Fish Oils With Dairy or Plant Based Lipids on Mitochondrial and Physical, and Cognitive Function, in Elderly Humans

Inclusion Criteria: * Male or/and female; * Caucasian; * Age ≥ 65 years; * BMI ≥ 20 kg/m2 ≤ 30 kg/m2; * Normal physical activity levels: maximum of 1 hour per week engagement in structured exercise of moderate to high intensity; * Subject should be in sufficient health to participate in the experiments, to be judged by the site-specific responsible physician, based on the subject's medical history. Exclusion Criteria: * Habitual smoker within the past 5 years; * Excessive alcohol use (greater than 20g per day) and/or drug abuse; * Subjects with diagnosed diabetes mellitus type 2; * Significant food allergies or intolerances concerning the study products, e.g. cow's milk protein allergy * Participation in another biomedical study possibly interfering with the study results within 1 month before the first study visit; * Medication use e.g. antithrombotic medications known to hamper subject's safety during the study procedures; * Subjects habitually taking fish oil supplements within 3-months of the initial study visit or habitually taking supplements that are likely to affect the main study outcomes; * Subjects who do not want to be informed about unexpected medical findings; * Subjects who do not want their treating physician to be informed about unexpected medical findings; * Inability to participate and/or complete the required measurements