Shaker bottles are most commonly used to mix protein shakes, and can also be used for all manner of other things.

Bacteria and other microbes that can spoil your shake or cause foodborne illnesses thrive in warm temperatures. By cooling your protein shake in the fridge, you're slowing down these microbes ...

Want to supercharge your protein shakes? Discover the top four carb sources to mix with your protein powder! Boost your ...