“I started to look so shredded while I was away on my last business trip,” said no guy ever.  From crummy hotel gyms and greasy airport grub to booze-filled client dinners, there are tons of things that make it tough to maintain a lean physique when you travel for work. Not to mention, if you’re jumping time zones, you run the risk of messing up your gut microbes’ circadian rhythms, which can cause weight gain, according to a report published in the journal Cell.

But don’t think for a second that it’s not possible to travel for business and stay lean, too. So long as you’re willing to think ahead and make some simple tweaks to your routine, you can stay trim and fit while you meet colleagues and clients all around the globe. Here, exactly how to make it happen.