Eat a balanced diet with enough protein, iron, folate, vitamin B12, vitamin C, zinc, and copper
Include foods such as lean meat, fish, eggs, dairy, beans, lentils, leafy greens, nuts, seeds, citrus fruits, and whole grains
Stay well hydrated
Get adequate sleep every night
Exercise regularly at moderate intensity
Manage stress
Avoid smoking and limit alcohol
Treat infections promptly
Review medications with a doctor if they may lower white blood cells
Follow medical treatment for any underlying condition causing low WBC
Ask a doctor about supplements only if a deficiency is confirmed
Seek urgent medical care for fever, chills, or signs of infection if WBC is low