Enfamil Optimum (Enspire) Ready-to-Feed Baby Formula, Our Closest to Breast Milk, Brain-Building DHA, 32 Fl Oz, Pack of 6 32 fl oz (Pack of 6) is up for auction in Baby Products. The current bid is $2.00, 98% below the $96.00 MSRP, in Good Condition. This auction has ended — similar items appear in live auctions regularly.