I M Having Son 75 Days Old. I M Having

I m having son 75 days old. I m having low milk supply..initially i took perinorm tab tds for 5 days..it increased my milk supply it was maintaining till 1 wk back..since my milk supply was dropped 1 wk back i took perinorm tab bd and lactare tab 2 tds for 5 days . It increased the supply..but when i stopped perinorm tab milk supply dropped again..can u please help to increase my milk supply..i m pumping my breast after every feed