Both lower blood pressure and the effect may be additive.
Magnesium relaxes blood vessel walls while hawthorn dilates blood vessels and has mild ACE-inhibitor activity.
Monitor blood pressure if combining. May cause excessive blood pressure drops, especially when standing.
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.
UL is for supplemental magnesium only (not dietary). Diarrhea is the primary adverse effect.