PICK OF THE PRODUCTS

‘St John’s wort is safe to use and has very few side effects,’ says Etheridge. ‘However, it’s always a good idea to consult with your GP before embarking on a regular dose, as it can affect some prescription drugs, including bloodpressure medicines and contraceptives.’ It’s best taken in tablet or tincture form, and its benefits usually emerge after about four weeks of use. Try…

HRI Good Mood St John’s Wort, £8.99 for 30.

A. Vogel Hyperiforce St John’s Wort Tablets, £11.99 for 60. avogel.co.uk and independent pharmacies and health stores ‘These products display the THR logo,’ adds Etheridge, ‘which assures they have been checked for safety and approved by the UK’S Medicines and Healthcare products Regulatory Agency (MHRA).’