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You are taking antioxidant EDTA (Ethylene diamine tetraacetic acid) for reducing calcium deposit in the artery and it is helpful in reducing blood pressure and cholesterol and preventing a heart attack. Now your vitamin C and magnesium levels dropped down because of that. So you can be prescribed Vitamin C and Magnesium oxide supplements in pill form.
Vitamin C 500 mg tablet is also available that also can be prescribed if needed. Your physical examination should be done and if symptoms like the heart beat faster, diarrhea, muscle weakness, and cramps, easy bruising and bleeding if present then intravenous therapy might be needed. So you can consult your physician doctor for examination and can get prescription for low vitamin C and magnesium level. Take care.
For more information consult a family physician online --> https://www.icliniq.com/ask-a-doctor-online/family-physician