Vitamin B12 EXTRA by Nutricius is a dietary supplement composed of 30 high bioavailability tablets, designed to support normal energy metabolism and the well-being of the nervous system. Thanks to pure and precisely dosed vitamin B12, it helps reduce daily fatigue and tiredness. Ideal for those following vegetarian or vegan diets, it contributes to maintaining high mental and physical performance. A safe and practical product, perfect for integrating into your daily routine with natural effectiveness.