It is very common to have these deficiencies, and they are easily correctable. To restore your levels, your doctor may recommend: 1. Vitamin D3 (Cholecalciferol)- A weekly high-dose supplement (typically 60,000 IU) for 8 weeks, followed by a daily maintenance dose. 2 Calcium- Daily calcium carbonate or calcium citrate tablets, ideally taken with meals. 3. Vitamin B12- Daily oral methylcobalamin or cyanocobalamin tablets.To support your recovery, incorporate dairy, leafy greens, eggs, and fortified foods into your diet, and get moderate sunlight. Please consult your physician to get a prescription with the exact dosages tailored to your specific blood test results.