Formula Milk

Good evening po mga mommies,I am quiet worried about my baby kasi po ang hina nya magdede ng formula milk. 1year po kasi sya nka breastfeeding sakin. Ano pong gagawin ko? Naka dalawang palit na kami ng kind na formula milk. Sometimes once in a day lang sya iinum ng milk. Every 5pm lang ako makaka breastfeed sakanya after work. Pls do give some advices mga mommies. Thanks