Eat a balanced diet with enough protein
Include foods rich in vitamin B12
Include foods rich in folate
Include foods rich in vitamin C
Include foods rich in zinc
Include foods rich in copper
Stay hydrated
Get enough sleep
Exercise regularly in moderation
Manage stress
Avoid smoking
Limit alcohol intake
Treat underlying infections promptly
Review medications that may lower white blood cells
Follow your doctor’s advice for any prescribed treatment
Consider supplements only if recommended by a healthcare professional