Jarrow Formulas Glutathione Reduced, 500 mg, 120 Capsules IV Therapy vs. Oral Supplements: Which Is More Effective? Glutathione IV vs Injection Baltimore: Which Is Better? How Often Should You Get IV Vitamin Therapy for Best Results? The best time to take a magnesium supplement depends on several factors, including the type of magnesium it contains and the condition it is being used to treat. See link below Magnesium and glutathione: a vital dyad. Support one, you support the other. If glutathione is low, add magnesium. Even without obvious issues, supplementing glutathione ensures magnesium works