Why Does Beef Liver Give Me So Much Energy?
                                
                                
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                                    4 min read                                
                            
                                A single 3-ounce serving of braised beef liver can provide over 2,000% of your daily value for Vitamin B12, a major contributor to elevated energy levels. This remarkable nutritional density is precisely why beef liver gives you so much energy, fueling your body at a cellular level and combating common causes of fatigue.