
Three consumers from California, New York and Washington filed a class action against Starbucks on 2 October in federal court in Seattle. The complaint targets eight drinks from the protein range launched in September 2025, including the Sugar-Free Vanilla Protein Latte and the Sugar-Free Caramel Protein Matcha, in hot and iced versions.
The plaintiffs claim a venti serving contains between 13 and 21 grams of sugar, mainly from lactose in the milk. According to them, US federal labelling rules allow a “sugar-free” claim only below 0.5 grams per serving, and it cannot be equated with “no added sugar”. The complaint also cites missing mandatory calorie disclaimers and requests a jury trial.
Starbucks said the lawsuit “has no merit” and that it will defend itself vigorously, stressing that nutritional information is published transparently across all its channels.
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Source: Daily Coffee News


