Treat the underlying cause with a healthcare professional
Eat enough protein
Include vitamin B12-rich foods
Include folate-rich foods
Include copper-rich foods
Include zinc-rich foods
Eat a balanced diet with fruits and vegetables
Stay hydrated
Get adequate sleep
Manage stress
Exercise regularly but moderately
Avoid smoking
Limit alcohol
Review medications that may lower white blood cells with a doctor
Treat infections promptly
Follow prescribed treatments for autoimmune conditions or bone marrow disorders
Consider supplements only if recommended by a clinician
Avoid exposure to toxins and unnecessary radiation
Practice good hygiene to reduce infection risk