Answer
Selected products are traditionally registered for slightly low mood and mild anxiety, based on traditional use only. They are not presented as treatments for diagnosed depression.
Sources for this answer
- Care St John's Wort Low Mood Relief Tablets / UCalm St John's Wort Tablets — Current selected SmPCemc · Summary of Product Characteristics
General medicine information. Follow the instructions for your own medicine and speak to a pharmacist or clinician about your individual circumstances.