Kale juices and beetroot smoothies used to be the domain of crunchy, raw vegan health-food junkies. Now that celebrities are happily quaffing these antioxidentlaced concoctions, it’s safe to say that the juicing craze has gone mainstream. After all, a few extra vitamins are a nice change of pace for the lessvirtuous— or less sanctimonious— eaters among us, especially when on the road. Get your fix at Aman at Summer Palace, Beijing (amanresorts.com), where the wellness facilities, in addition to fitness consultants, squash courts and a 25-meter pool, include a freshly squeezed juice bar. Over at Bali’s COMO Shambhala Estate, Ubud (comohotels.com), the signature restaurant uses mostly organic ingredients, minimal salt, zero processed sugar, and offers ginger-wheatgrass shots whenever the craving strikes. There’s a whole menu of juices with names like…