Eighteen- to 20-year-old adults will no longer be able to buy tobacco products at Walmart this month.

The company announced in May that it will stop selling tobacco products, including e-cigarettes, to anyone under the age of 21 beginning Tuesday.

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All Walmart and Sam's Clubs locations will also discontinue sales of fruit- and dessert-flavored electronic nicotine delivery systems, according to John Scudder, the company's U.S. chief compliance and ethics officer.

Scudder said the company received a letter from the Food and Drug Administration about its policies to prevent tobacco and nicotine sales to minors. The company has a "robust compliance program" but fell short of 100 percent compliance.

"Even a single sale to a minor is one too many, and we take seriously our responsibilities in this regard," Scudder said in the news release.

In 2018, Walmart passed 94 percent of its 2,400 FDA checks and Sam's Club passed 100 percent of 15 FDA checks, according to a letter sent from the company to the FDA.