The agency has now put the pharmacy “on notice.”
The new 7-year deal aims to lower overall health-related costs.
Walgreens Boots Alliance topped Wall Street forecasts for its fiscal first quarter, helped partially by a sales boost provided by stores acquired from smaller rival Rite Aid.
The move by Walgreens reflects the brick-and-mortar store chain's efforts to compete against Amazon.com.
By early 2019, the first “Kroger Express” sections will open in 13 Walgreens stores located in Kentucky.