If you don’t have a shaker bottle handy when you need it, there are some make-shift hacks to get you by. Ferriter says that in a pinch, any water bottle will do. “You can also purchase the metal shaker spheres individually and add that to any water bottle to turn it into a shaker,” she says. When at home, a cappuccino milk frother or blender does the trick to smooth shake mixes. Alternatively, some prefer a protein-packed smoothie, albeit slightly less convenient and more intensive. “I prefer a Magic Bullet, myself, instead of a blender bottle,” Barber says.