In the modern working environment, we are always under stress – a busy schedule while always having to be online and available at all times, juggling children, the partner, and the job – and if a crisis arises, it can quickly become too much. Stress gets our nerves frayed and causes bad mood. Is it time to take some days off or is all of this caused by a vitamin B12 deficiency? The mental symptoms of too little vitamin B12 are often vague and therefore ignored by many people. You are sometimes confused, have problems to commemorate things, are in a bad mood, even in a depressive state, and tend to be nervous. Read about how vitamin B12 helps to protect your nerves by supporting the normal function of the nervous system!