1 STAY HYDRATED
‘Proper hydration is vital for overall health,’ says immunologist Dr Jenna Macciochi. ‘It helps keep your airways properly lubricated with the right amount and consistency of mucus to prevent infection. Hydration can also help alleviate the symptoms of cold and flu.’
2 TAKE A VITAMIN D SUPPLEMENT
The sunshine vitamin is vital to good gut health and immunity, but it can be impossible to get enough during the winter, so consider a supplement.