Eat a balanced diet with enough protein, iron, folate, copper, zinc, and vitamin B12
Include vitamin C-rich foods such as oranges, guava, kiwi, bell peppers, and strawberries
Eat folate-rich foods such as leafy greens, beans, lentils, and avocados
Include zinc-rich foods such as pumpkin seeds, nuts, beans, and whole grains
Stay well hydrated
Get enough sleep every night
Manage stress with relaxation, breathing exercises, or meditation
Exercise regularly in moderate amounts
Avoid smoking and secondhand smoke
Limit alcohol intake
Wash hands regularly to reduce infections
Cook food properly and avoid foodborne illness
Eat probiotic foods such as yogurt or kefir if tolerated
Maintain a healthy body weight
Treat underlying infections or medical conditions promptly
Follow your doctor’s advice if you are taking medicines that can lower white blood cells
Use herbal remedies only with medical guidance
Seek medical care if white blood cell counts are very low or symptoms worsen