Will 4 Beers Stop Muscle Growth? The Impact of Alcohol on Your Gains
                                
                                
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                                    5 min read                                
                            
                                According to the National Academy of Sports Medicine, consuming 1.5 grams of alcohol per kilogram of body weight after a workout can decrease muscle protein synthesis by up to 37%. So, will 4 beers stop muscle growth? The answer isn't a simple yes or no, but rather depends on how often you drink, your total volume, and when you consume it relative to your training.