Brazil nuts’ selenium content is also strongly correlated with supporting normal thyroid function.
For those who have an inactive thyroid, emerging evidence suggests that consuming selenium can improve thyroid function, and, by doing so, enhance mood and immune protection.
Furthermore, evidence suggests that Brazil nut consumption can support your mood.
A scientific study showed that when participants with anxiety and depression took 100mcg of selenium a day (the equivalent of eating one to two Brazil nuts) for five weeks, their symptoms alleviated.
Source: Daily Express