B Complexes are often a go-to recommendation due to their potential benefits surrounding improving the severity of stress, mood and energy complaints. B Complex typically include all 8 B vitamins and these vitamins play an important role in energy production, transforming the food we eat into usable forms of energy (Kennedy 2016)  The antioxidant vitamin C plays a role in mood, stress, fatigue and mental health conditions (Oliveria, 2015). As well as selenium which participates in bodily processes such as thyroid function and metabolism (Ventura, Melo 2017). Selenium helps fight oxidative stress, research suggests it may play a part in preventative roles in cardiovascular disease and mental decline (Santos et al. 2014).  Vitamins are indicated in individualised circumstances, and should only be sought out with guidance from a health professional.