Can protein powder be mixed ahead of time for a convenient meal prep strategy?
                                
                                
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                                    4 min read                                
                            
                                According to one dietary expert, a refrigerated homemade protein shake can be kept safely for up to 72 hours, though quality may decline. For individuals with busy schedules, preparing a protein shake in advance is a practical way to ensure you have a quick and healthy option ready to go, but it requires careful planning to maintain freshness and safety.