Update: Sold out! 6 Packs Of Similac Sensitive Infant Formula, 22.5 Oz (OU-D) For $59.64 Shipped From Amazon After A $75 Price Drop This was selling for $135.34 yesterday and is now the lowest price ever from Amazon. -OU-D. -Similac is the #1 infant formula brand chosen by moms* and the #1 brand fed in Want to continue reading this post? Click here!