• WebMD – Collagen and your body: What to know. Available from: https://www.webmd.com/skin-problems-and-treatments/ss/slideshow-collagen-and-your-body. Accessed: November 2021.
• [S0] Vital® Calcium Ultra Bone Support tablets. Western herbal medicine / Health supplement. This unregistered medicine has not been evaluated by the SAHPRA for its quality, safety or intended use. APPLICANT: Vital Health Foods (Pty) Ltd, Reg. no.: 51/03081/07, Lavender Lane, Kuils River, 7580, South Africa. Tel no.: (+27) 21 900 2500. Please refer to the detailed professional information (PI) for full prescribing information.