Like a quality pair of gym shoes or a trusty gym bag, for most fitness enthusiasts, it’s hard to get through a training session without a shaker bottle. Designed for on-the-go mixing of your favorite ...

A good protein powder can make some pretty tasty shakes when you’re on the go—but as anyone who’s ever sipped a lumpy, chalky blend knows, finding the best protein shaker bottle is key to getting the ...

Shaker bottles are a necessity for fitness aficionados and folks who love concocting protein shakes, smoothies, or any portable beverage. They are crafted to efficiently blend elements, providing a ...

All products featured on Self are independently selected by Self editors. However, when you buy something through our retail links, Condé Nast may earn an affiliate commission. A good protein powder ...