Vitamin D, Calcium, Protein-what is known for certain for optimal bone health

Joan explores essential Vitamin D, Calcium, protein requirements, and the origin for the necessary amounts RDA. This talk is comprehensive and filled with proactive and helpful ideas for those with Osteopenia, and Osteoporosis. Joan Lappe, PhD, RN, FAAN, researcher, professor of Medicine Creighton University.
Joan references the work of Dr. Robert Heaney, also of Creighton University. In this blog he talks about the importance of testing further for potentially raising higher protein and calcium levels.
blogs.creighton.edu/heaney/201...
This article by Dr. Heaney talks specifically about higher protein levels than the norm, and raising Calcium levels also.

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Anything special (or not) about Calcium Hydroxyapatite?