ok mamas my baby will be 7wks old on monday and i havent breastfed nor pump for my baby because my…

ok mamas my baby will be 7wks old on monday and i havent breastfed nor pump for my baby because my appetite after birth has been conplete poo i only ate maybe once or twice a day and i didnt want to give my baby gas but my appetite is better now but im sure my milk has dried up because when i squeeze my nipple only a lil drip comes out is it too late or can i eat or take something to bring my milk back what can i do to bring my milk back in so i can breastfeed ??