Starbucks Faces Lawsuit Over ‘Sugar-Free’ Protein Drinks0

• A to Z, Food Hygiene, Food Safety, Health & Wellness, News
• October 8, 2026

Key Update Starbucks is facing a class-action lawsuit in the US over eight protein beverages labelled “sugar-free” that contain 13 to 21 grams of sugar per venti serving. The lawsuit alleges that the drinks contain lactose, a naturally occurring sugar in milk. The products include sugar-free vanilla and caramel protein lattes and protein matchas, along