NEW YORK (AP) -- Express Scripts Inc. said Monday that it completed its $29.1 billion acquisition of Medco Health Solutions Inc., creating the largest pharmacy benefits manager in the country by far.

The FTC's landmark settlement forces Express Scripts PBM to overhaul practices, banning the preference of expensive insulin over cheaper equivalents on drug formularies.

Kroger pharmacies are once again back in Express Scripts’ network, two years after the grocer kicked the massive pharmacy benefit manager to the curb over its allegedly unsustainable pricing model.

According to Express Scripts, its new pharmacy benefits model, first announced in October 2025, could lower brand name prescription drug costs by as much as 30% and make negotiated discounts available ...