Magnesium is required for vitamin D activation and metabolism.
Magnesium-dependent enzymes convert vitamin D to its active form. Deficiency in magnesium can impair vitamin D function.
Ensure adequate magnesium intake when supplementing vitamin D. Many people are deficient in both.
Known drug category interactions for these supplements. Especially relevant if you take prescription medications.
Magnesium binds to these antibiotics in the gut, significantly reducing their absorption and effectiveness.
Take magnesium at least 2 hours before or 4-6 hours after these antibiotics.
Reference values for safe daily intake of these supplements.
Risk of hypercalcemia at very high doses.
UL is for supplemental magnesium only (not dietary). Diarrhea is the primary adverse effect.