Do Coffee Protein Shakes Have Caffeine? A Detailed Look
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6 min read
According to the FDA, up to 400 mg of caffeine per day is safe for most healthy adults, and many popular coffee-flavored protein shakes or powders contain a significant amount of this stimulant. While regular protein shakes are caffeine-free, any shake explicitly flavored with coffee or marketed as a "proffee" will have caffeine, though the exact amount can vary widely.
