Low vitamin D and B12 levels usually result from low intake, poor absorption, or limited sun exposure. Try getting regular early-morning sunlight for about 15 to 20 minutes to help with vitamin D, and include foods like dairy, eggs, fish, and fortified cereals to improve both levels. Keep meals balanced and regular so your body can absorb nutrients more effectively and stay active, which supports overall recovery. A doctor may recommend vitamin D and B12 supplements based on your levels, as the doses need to be correct. Watch for signs such as fatigue, weakness, or tingling in the hands and feet. Consult a doctor to plan the right treatment and monitor your recovery.