Hi mama! Totoo na madaming vitamins available, pero honestly best na itanong mo sa pedia mo kung okay talaga na sabay-sabay lahat ng yan, kasi depende sa ingredients at dosage, baka may overlap na nutrients na masyadong marami na for baby mo, or may interactions pa. A few of us tried combining different vitamins kaya nag-cause ng tummy issues, so better safe than sorry talaga! Btw, Propan is usually for appetite/growth pero check with doc kung needed na talaga addition sa existing vitamins mo na, kasi baka all bases covered na ng Ceelin at Growee. Trust your pedia on this one, mama, they know baby mo best!