https://blogs.mercola.com:443/sites/vitalvotes/archive/2026/04/08/vitamin-d-not-working-like-it-should-here_1920_s-what-could-be-missing.aspxMagnesium may play a critical role in how the body processes vitamin D, yet many people are not getting enough of it. Research suggests that nearly half of Americans are deficient in magnesium, a mineral required to activate enzymes involved in vitaminenCommunityServer 2008.5 SP1 (Debug Build: 31106.3070)