Ok serious question no judgment.

Ok so little info my son is 14 month old i had to stop breastfeeding at 2 month due my milk supply wentcwsy down and i couldnt get it back up , But even tho i have breastfeed my son in a year i still have milk supply is there a way i can bring up my supply so that i could be able to donate it to other mamas in need or to hospital for nicu babies since my milk is still coming. Need some answers and ways i can up if i even can.