Inclusion Criteria:  Male 50 to 70 years old BMI 18.5-29.9 kg/m2 Healthy as per medical history and investigator's/ physician's judgement Having given informed consent  Exclusion Criteria:  Allergy/intolerance to the study product >5% body mass change in the previous 3 months HbA1c ≥ 6.5% Blood pressure >140/90 mmHg Participating in a structured (progressive) exercise program Smoking Diagnosed acute or chronic medical conditions that, in the opinion of the investigator, could impact study outcomes Diagnosed musculoskeletal disorders Chronic use of gastric acid suppressing medication Unauthorized concomitant medications such as calcium antagonists (e.g. valproate), oral corticosteroids, anything that will prevent subjects from safely completing the study according to the investigator or medications / drugs known interfering with the expected mechanism of action of IP or to affect the outcome parameters Alcohol (intake higher than 3 servings per day. One serving is 0.4 dl of alcohol, 1 dl of wine, or 3 dl of beer) or drug abuse Overly imbalanced or restrictive diet (e.g. hyperproteic, vegan, ketogenic, etc.) Subjects not willing and/or not able to comply with scheduled visits and the requirements of the study protocol Any implants that would be a contra-indication for performing an MRI scan. Participation in another study at the same time Blood donation in the past 2 months