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

Shaker bottles are a necessity ... whisk does a great job of mixing protein powders and other ingredients, and the rounded base ensures that there are no clumps left behind. The flip cap is ...

Premier Protein is offering discounts on ready-made protein shakes in cookies and cream ... [It's a] great nutritional product with no clumping. A++." Ready to kick off your wellness journey?