- Energy, concentration and effec-tive metabolism- Full use of all nutrients- Concentrated B-complex vitamin formulaVITAMIN B COMPLEX is a highest quality composition of micronutrients crucial for the metabolism of active individuals and athletes. The carefully selected proportions of the most important group B vitamins and metabolic activators aid the absorption and effective utilisation of all nutrients, i.e. proteins, fats and carbohydrates. VITAMIN B COMPLEX includes components enhancing energy production and improving the body's adaptive ability, while supporting the correct functioning of the nervous and immune systems.