10 week old girl is brought to the office by her mother for a well infant examination after missing her visit 2 weeks earlier

10 week old girl is brought to the office by her mother for a well infant examination after missing her visit 2 weeks earlier. She was born at 34 weeks gestation and weighed 2.2 kg at birth. She has been breastfed exclusively since then, and her grouth and development are appropriate for her chronological and gestational ages. Her physical examination is notable for mild pallor but is otherwise normal. The mother eats a balanced diet that includes meat products. At this time, which of the following is the most appropriate nutritional intervention for this patient?
Introduction of eggs & meat to the diet.
Introduction of fruit juices to the diet.
Introduction of pureed vegetables to the diet.
Ironn & vitamin D supplementation.
No additional supplementation needed.
Vitamin B12 supplementation.
Vitamin C supplementation.