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June 14, 2016

Securities and Exchange Commission

100 F Street, N.E.

Washington, D.C. 20549

Attention:    Jenifer Gallagher, Staff Accountant

Division of Corporation Finance

Re:	Mead Johnson Nutrition Company

Form 10-K for Fiscal Year Ended December 31, 2015

Filed February 17, 2016

File No. 001-34251

Dear Ms. Gallagher:

As discussed in our conversation earlier today, Mead Johnson Nutrition Company (“MJN”) is in the process of preparing its response to the Securities and Exchange Commission Staff’s comment letter dated June 9, 2016. Per our conversation, MJN will respond to the Staff’s letter on or before July 11, 2016.

I appreciate your assistance in this matter. Please feel free to call me directly at 847-832-2436 with any questions regarding this letter.

Very truly yours,

/s/ Erin R. McQuade

Erin R. McQuade

Assistant General Counsel

Mead Johnson Nutrition Company

cc:    Brad Skinner, Senior Assistant Chief Accountant

Kim Calder, Assistant Chief Accountant

Michel Cup, Mead Johnson Nutrition Company

Patrick M. Sheller, Mead Johnson Nutrition Company