I highly recommend St. John's wort with nervous stress, anxiety and depressed mood. However, you should be patient. It was only after 4 to 5 weeks, sets an effect. So necessarily persevere and also not to take quitting. St. John's wort is purely vegetable - a daily dose of 900mg should not be exceeded.
The only side effects: you get a sunburn more quickly. Skin photosensitivity increases. So for Sonnenbräuner particularly on sunscreen eighth with a high SPF ...