Lawsuit Alleges Low Caffeine in Trader Joe's French Roast

Customers from several states have sued Trader Joe's, alleging that the grocery chain's French Roast Low Acid whole bean coffee has far less caffeine than consumers are led to believe. The lawsuit, filed in the Central District of California on April 24, 2026, claims the product contains roughly half the caffeine of standard coffee blends.

Multiple sources reported that independent testing revealed the coffee has 51 percent of the caffeine in Trader Joe's Dark French Roast and 45 percent of that in the House Blend. The plaintiffs argue that the absence of labeling indicating reduced caffeine levels deceives buyers who expect a fully caffeinated product.

Industry standards do not require caffeine content labels for regular coffee, but decaf and half-caff varieties are typically marked as such.

to the lawsuit, regular coffee typically contains 85 to 120 milligrams of caffeine per 8-ounce cup, while decaf has 2 to 5 milligrams and half-caff blends have 40 to 60 milligrams. Tests cited in the suit showed the French Roast Low Acid coffee falls into the half-caff range but is not labeled accordingly.

Comparisons with other brands indicated it has 17.8 percent less caffeine than Folgers half-caff and 24.5 percent less than Puroast half-caff. The suit emphasizes that coffee drinkers rely on caffeine for energy, making the amount a key factor in purchasing decisions.

Plaintiffs from California, Illinois, and New York seek class certification for those states where the product is sold. It also demands unspecified monetary damages for affected customers. Trader Joe's did not immediately respond to requests for comment from multiple outlets.

The plaintiffs contend that consumers cannot easily test caffeine levels before purchase, requiring scientific equipment beyond typical means. They describe the labeling as false and deceptive advertising that forms a pattern of unfair business practices.