Federal Lawsuit Alleges Starbucks Misleadingly Advertised Protein Drinks as “Sugar-Free”

Wilmington, NC, October 6, 2026 —

A federal lawsuit has been filed against Starbucks, alleging that the company deceptively marketed eight of its protein beverages as “sugar-free.” The lawsuit, initiated on behalf of consumers, claims that these products contain substantial amounts of sugar, contrary to the “sugar-free” labeling.

The legal action was filed in Seattle. According to the allegations, Starbucks engaged in misleading advertising practices by labeling specific protein drinks as free of sugar. However, the suit contends that these products actually include significant sugar content.

The exact number of protein beverages involved in the lawsuit is stated as eight. The specific names of these products were not provided in the summary. Similarly, the precise quantities of sugar allegedly present in these beverages and the specific legal claims made against Starbucks were not detailed.

The lawsuit has been filed in federal court in Seattle. The plaintiffs are consumers who allege they were misled by the product labeling. The summary does not include information regarding Starbucks’ response to these allegations, nor does it specify the timeline of when these beverages were offered or when the alleged mislabeling began. Details regarding the law firm representing the consumers or specific individuals named as plaintiffs were also not provided.

This case highlights concerns regarding consumer product labeling and transparency, particularly within the health and wellness beverage market. The legal proceedings are expected to unfold in the federal court system of Seattle. Further details regarding the evidence presented or any potential court proceedings were not included in the available information.

Story summarized from the original created by ABC News on www.wwaytv3.com, see more information here.