While a balanced diet is the best way to give your body and brain the nutrition they need, vitamins and supplements can help fill in any gaps in your day-to-day eating, while addressing travel-related health issues including weakened immunity, constipation, and jetlag. So here are 12 vitamins and supplements to give the globetrotters you know this holiday season.

Tru Niagen®

More commonly referred to as NAD+, Nicotinamide adenine dinucleotide