https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7070256/
What is the relationship between collagen and calcium?
Hydroxyapatite salts (calcium and phosphorus) with collagen form a unique matrix that plays an important role in bone hardness. In addition, the Ca/P ratio in bones is vital for osteoporosis and may provide high reliability for diagnosis, prevention, and treatment of bone disorders.2020. 2. 12.