Kate Demolder: Five beauty supplements I swear by, from magnesium to omegas

Some of Kate Demolder's supplementing essentials.

It's that time of year when temperatures are low and social obligations are high. 

And while great concealers and dry shampoos may seem like they are doing the heavy lifting when it comes to December activities, the key to not feeling like hell the next morning is looking after yourself, via supplementing.