[2] Rexall was founded in 1904 during the early days of the United Drug Company and quickly established itself as a major retail pharmacy chain.

[3] McKesson Canada purchased Rexall in December 2016 for $3 billion from the Katz Group of Companies.

In May 2020, Rexall discontinued its partnership with Air Miles as a loyalty program at its stores and created its own loyalty program called Be Well, with which customers can collect points in order to redeem in-store items, similar to Air Miles.

[8] In January 2024, The Globe and Mail reported that McKesson had begun exploring the possibility of selling Rexall to potential buyers.

[9] On September 5, Birch Hill Equity Partners (BHEP) announced that it has signed a definitive agreement with McKesson Corporation to acquire Rexall Pharmacy Group.