Bone Density Conservation Agents/therapeutic use; Dietary Supplements; Oligopeptides/therapeutic use; Osteoporosis, Postmenopausal/prevention & control; Peptide Fragments/therapeutic use; Whey Proteins/therapeutic use; Angiotensin-Converting Enzyme Inhibitors/chemistry; Angiotensin-Converting Enzyme Inhibitors/therapeutic use; Animals; Anti-Inflammatory Agents, Non-Steroidal; Antioxidants/chemistry; Antioxidants/therapeutic use; Biomarkers/blood; Bone Density Conservation Agents/chemistry; Bone Remodeling; Bone and Bones/diagnostic imaging; Bone and Bones/immunology; Cancellous Bone/diagnostic imaging; Cancellous Bone/immunology; Female; Humans; Inflammation Mediators/blood; Oligopeptides/chemistry; Osteoporosis, Postmenopausal/blood; Osteoporosis, Postmenopausal/diagnostic imaging; Osteoporosis, Postmenopausal/immunology; Ovariectomy/adverse effects; Peptide Fragments/chemistry; Random Allocation; Rats, Wistar; Tomography, X-Ray Computed; Whey Proteins/chemistry