We tested options from Beast, Ninja, NutriBullet, and others to see which ones are best for making smoothies to go Personal blenders, like these from (clockwise from upper left) Beast, Nutribullet, ...

Immersion blenders may not be helpful if frozen margaritas are on the menu (for that, you’ll need a solid full-sized blender). But if you have smaller blending tasks to accomplish, you’ll be glad to ...