Putting magnesium in a capsule is a great idea. It prevents the magnesium from swelling up in your throat. Avoiding that discomfort (and when it happens it is considerable) is well worth the extra cost.
The vitamins work as my D LEVELS HAVE INCREASED but not in normal range yet. I like this company bc it’s kosher and a lot of vitamin products have u kosher ingredients.

Milk Thistle Seed