Starbucks, meanwhile, dismissed Puroast’s claim as groundless while insisting its Dark French Roast fully complies with US Food and Drug Administration labeling requirements.

That's still considerably less caffeine than a grande cup of the medium roast Pike Place coffee, which contains 315 to 390 milligrams of caffeine, and keeps you well below the U.S. Food and Drug ...

Cliff Burrows, Starbucks president of the Americas, introduces Starbucks(r) Blonde Roast, a premium coffee developed for the 42 percent of U.S. coffee drinkers who prefer a lighter roast*, at an ...