Hi Mam. Breast feeding is the best for overall health of the baby. Formula feeding is much inferior. Breast feeding has numerous advantages including protection from infection, allergies and cancer. It also improves body growth and brain growth, IQ of babies. So continue your efforts to give breast feeding your baby . You could take  Lactonic granules 2 tsp twice daily along with milk . This helped  many mother's to increase the milk production.. Also eat wide variety of foods without any restrictions.. Also pls see the following link for Proper technique of breastfeeding https://youtu.be/7FJuBn2bgNk In spite of these if you are not getting enough milk then you can use Nan excella pro as it is much superior to lactogen ...Nan excella pro is much close to mother's milk than any other formula available today ...