Long ago I read that one should take calcium with magnesium at about a 2 to 1 ratio. If you can find any of Adelle Davis’s old books on line, get them. Let’s Eat Right to Get Fit, was her first general hit. Her subsequent Let’s Get Well is more technical but has been a gold mine for me. Recently I have seen several studies indicating that if you have an OPTIMUM level of Vitamin D you are unlikely to end up in a hospital with Covid or chronic diseases.
What supplemental magnesium (in combination with vitamins D3 and K2) does, and to vastly oversimplify, is to re-route calcium into bones instead of artery linings.
There is a correlation between osteoporosis (porous and brittle bones) and atherosclerosis (a crunchy calcium matrix closing off arteries).
I'm not a doc, so don't take advice from me. All just my opinion.
Long ago I read that one should take calcium with magnesium at about a 2 to 1 ratio.
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Most fruits have the same amount of magnesium and calcium. I don’t take these supplements, but I would take the same amount of magnesium and calcium.