Does B12 Reduce Tiredness? The Truth Behind the Energy Myth
                                
                                
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                                    3 min read                                
                            
                                According to the NIH, an estimated 3.6% of Americans are deficient in vitamin B12, a condition often leading to fatigue. But does B12 reduce tiredness for everyone, or only those who are genuinely lacking this vital nutrient, and what causes this feeling of exhaustion?