Can I Put My Protein Powder in the Fridge? The Definitive Guide
                                
                                
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                                    4 min read                                
                            
                                Studies on whey protein show that improper storage at high temperatures and humidity can significantly shorten its shelf life, reducing it from over 18 months to just 9. Given this, many people wonder: Can I put my protein powder in the fridge to preserve its freshness?