Does Premier Protein Have Caffeine? What You Need to Know
                                
                                
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                                    3 min read                                
                            
                                According to the U.S. Food and Drug Administration (FDA), a healthy adult can safely consume up to 400 milligrams of caffeine a day. This raises a common question for protein shake consumers: does Premier Protein have caffeine? The answer depends on the flavor, with some varieties containing a significant amount while others are completely caffeine-free.