EXHIBIT 23.1 - Consent

We consent to the incorporation by reference in Registration Statement Nos. 333-160201 and 333-164606 on Form S-8 and Registration Statement No. 333-194345 on Form S-3, of our reports dated February 27, 2015, relating to the consolidated financial statements and financial statement schedule of Mead Johnson Nutrition Company and subsidiaries (the “Company”), and the effectiveness of the Company's internal control over financial reporting, appearing in this Annual Report on Form 10-K of the Company for the year ended December 31, 2014.