Popular weight-loss drugs Ozempic and Wegovy are now available at more than 500 Costco pharmacies across the United States. Novo Nordisk, the company that produces both brands of the semaglutide medication, announced the collaboration on X last week.

According to the post, Costco members with a prescription for the injectable pen will pay $499 out of pocket for a four-week supply — a cost that is about half of the list price for Ozempic, and about two-thirds less than that of Wegovy.

Drug information is already listed on Costco’s website, which explains that executive members and Citibank credit card holders will also get a cash back reward as part of the chain’s prescription program. Those same shoppers will get an additional 2% discount on their purchase, Novo Nordisk said.

For members with health insurance, the price will depend on their plan.

“We continue to find new ways to make access to our medicines more convenient, meeting people where they are,” a Novo Nordisk spokeswoman said in a statement to the The New York Times.

Costco’s price for a monthly supply matches the offer on Novo Nordisk’s direct-to-consumer website. But according to The Times, Novo Nordisk’s addition of Costco to its roster has the potential to introduce a significant number of new customers, as many health plans continue to deny insurance coverage for the drugs.

About 7 million Americans take a GLP-1 drug, The Times reported, and Morgan Stanley estimated that the number of U.S. users could expand to 24 million by 2035.

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