Yes, it is possible to take St. John's Wort (millepertuis) along with magnesium. St. John's Wort has been shown to be effective for mild mood disorders such as depression and anxiety when taken over a certain period of time. It is important to consult with a pharmacist about possible interactions with other products or medications you may be taking. It is also recommended to speak with a doctor to determine the severity of your mood disorder before using St. John's Wort, as medical supervision is important in managing mental health issues. Additionally, it is worth noting that antidepressants are not the only solution for mood disorders, as psychological support can also be an effective approach.