75% of the population is suboptimal in Magnesium, without Mg - our ability to absorb D diminishes, even with supplementation.
Vitamin D must be supplemented with Vitamin K2 MK7 to ensure the extra calcium generated is deposited in the bones and not in the soft tissues (hypercalcemia)
Subclinical magnesium deficiency: a principal driver of cardiovascular disease and a public health crisis https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5786912/
Magnesium Supplementation in Vitamin D Deficiency. https://www.ncbi.nlm.nih.gov/pubmed/28471760
Low magnesium levels make vitamin D ineffective https://www.sciencedaily.com/releases/2018/02/180226122548.h...
Vitamin K: Double Bonds beyond Coagulation Insights into Differences between Vitamin K1 and K2 in Health and Disease https://www.mdpi.com/1422-0067/20/4/896/htm
Vitamin K2: A Vitamin that Works like a Hormone, Impinging on Gene Expression https://www.intechopen.com/books/cell-signalling-thermodynam...