How to bottle feed a breastfed baby?

Need help or adv mga mii sa mga nakaranas i-switch si baby to bottle feeding paano ba? May nipple confusion padin kahit ilang bottles na natry namin huhu. Im on very low milk supply and need iback up si baby ng formula habang nagpapa increase ako ng Breastmilk. Ty in advice. Lo is 3mos old.