ValoRization of Dairy Sidestreams to Fight Calcium dEficits iN Postmenopausal Women

Inclusion Criteria: * Subject is between 45 years and 65 years of age by the time of inclusion. * Subject has been menopausal for at least 1 year, defined as 12 months after last bleeding and up to 10 years. * Subject is Caucasian. * Has a BMI below 35.0. * Holder of a computer. * Has a sufficient vitamin D status (plasma 25OHD concentration \> 50 nmol/L). * Subject is willing and able to provide written informed consent prior to participation. Exclusion Criteria: * Subject taking supplements or medicine that affects calcium and bone metabolism e.g. diuretics or hormone replacement therapy evaluated by the investigator. * Intake of antibiotics in the last 3 months before enrollment. * Subject with an osteoporosis diagnosis or history of osteoporotic fractures. * Presence of renal, gastrointestinal, hepatic or endocrinological diseases. * Subject with any serious illness or history of cancer within the past 5 years (except adequately-treated localized basal cell skin cancer or in situ uterine cervical cancer). * Known or suspected abuse of alcohol or recreational drugs. * Known milk allergy. * Known or suspected hypersensitivity to trial products or related products. * Blood donation except from the donation in this study. * Subject where it is not possible to obtain sufficient data.