Keeping supply up during AF

marleyc

I don't frequent this board much, so apologies if this question gets asked all the time.  DD2 is 7 months old and I just got my period last month.  I noticed my supply decreased substantially in the week leading up to my period.  My period should arrive this Friday and, once again, I'm noticing a decrease in supply when I'm pumping at work.  Does anyone have any tips as to how to maintain my supply when this happens.  I did some internet searches and saw some suggestions for caclium and magnesium supplements.  I'm thinking about trying this, but wondering if anyone has successfully tried this or if anyone has any other pointers.