Spierbehoud studie.

1. Age between 55 and 85 years;

2. BMI > 30 or BMI > 28 + waist circumference > 88 cm (women), > 102 cm (men);

3. Willingness and ability to comply with the study protocol, including:

A. Following dietary advice;

B. Participation in study visits;

C. Taking the study products every day;

D. Ability to comply with the complete study protocol;

E. Ability to understand and fill out questionnaires.

4. The physiotherapist’s view is that the subject is physically fit;

5. Safe to participate in the resistance exercise protocol.

1. Any malignant disease during the last five years except for adequately treated prostate cancer without evidence of metastases, localized bladder cancer, cervical carcinoma in
situ, breast cancer in situ or non-melanoma skin cancer;

2. Previously known:

A. Kidney failure (previous glomerular filtration rate <30 ml/min);

B. Liver failure;

C. Anaemia (Haemoglobin in men <6.5 mmol/l and women <6.0 mmol/l);

D. (Chronic) inflammatory status.

3. Medication:

A. Corticosteroids for systemic use;

B. Immunosuppressants;

C. Insulin.

4. Dietary or lifestyle characteristics:

A. Participation in a weight loss diet three months before starting and during the study;

B. Use of protein-containing or amino acid-containing nutritional supplements three months before starting and
during the study;

C. Participation in a resistance exercise program three months before starting and during the study;

D. Current alcohol or drug abuse in opinion of the sponsor-investigator.

5. Indications related to interaction with the study product:

A. More than 10 Ig (400 IU) of daily Vitamin D intake from medical sources;

B. More than 500 mg of daily calcium intake from medical sources;

C. Known allergy to milk and milk products;

D. Known galactosaemia.