Certain foods may support white blood cell health, especially when undergoing treatments or recovering from infections. Vitamin C-rich fruits like oranges, strawberries, and kiwis can boost immunity, while leafy greens such as spinach and kale provide essential folate. Zinc from nuts and seeds, and probiotics in yogurt, may also enhance white blood cell function. Lean proteins like chicken and fish supply amino acids necessary for cell repair. Staying hydrated helps nutrient transport and cell activity. When using antibiotics like those from a ceftriaxone injection distributors, maintaining a nutrient-rich diet can support recovery and immune strength. Always consult a healthcare provider.