Afterward, testers poured out the remaining liquid and cleaned the shaker bottle according to the manufacturer's instructions. This shaker bottle has two compartments to hold both pre- and post-workouts. It is BPA-free and has the capacity to hold up to 30 ounces of liquid — 15 ounces per compartment. Both sides can be filled with the same liquid making this one of the larger shaker bottles available on the market. Hydra Cup Dual Threat Testing Notes: “This product does everything it is intended to do. It is simple and affordable, and sometimes that's all you need.” We would have chosen this shaker bottle as our most portable or best on-the-go if it weren’t for one simple fact: The bottle is too big for average car cupholders. Like the Contigo Shake & Go Fit, this shaker bottle is not insulated.

Testing Notes: “They really thought of everything: The bottom storage, marked measurements, double-walled 36-hour insulation, and silent mixing system—you really couldn't ask for more!”

Bottles & Shakers

Shaker bottles are most often used to blend and drink post-workout protein drinks while on the go, at the gym, or in the car. This vessel does far more than a classic shaker cup—it can blend things like ice, frozen fruit, leafy greens, and more. It’s a versatile product that’s well worth the money, according to our tester. With compact portability, a long-lasting charge, and a 6-point stainless steel blade, the Blendjet 2 is a portable blender machine. Related: The Lifter’s Guide To Magnesium: What This Nutrient Does For Strength] Benefits of Shaker Bottles

The Hydra Cup is one of my favorite protein shakers thanks to pure functionality. That split-compartment design is fantastic for towing around more than one liquid at once, saving time as you transition from pre- to post-workout supplements. The lid snaps down securely on all four sides to seal up the gaskets, ensuring that all liquids (or solids) stay where they should. If you're looking for a top-quality shaker bottle that will last for sips to come, Bolde's Shaker Bottle is for you. It features a patented double-walled vacuum insulated body that works to prevent odor, flavor, and bacteria build-up, while keeping your protein shake cold for up to 36 hours. And we love the unique wire mixer that's attached to the bottle's lid for a silent shake, but also removable for easy washing. This is a solid option if you value design. Not only is the bottle customizable when it comes to color and size, but it is also designed to keep your drinks at your desired temperature for many hours. Plus, the agitator that’s attached to the lid is highly effective and much quieter than your average loose agitator. If you’re looking for one of the highest quality shaker bottles on the market, look no further. The Ice Shaker is double wall vacuum sealed for insulation and features an agitator that’s attached to the lid.And while you could reach for a turkey sandwich or Greek yogurt with a banana, an on-the-go protein drink is way more convenient than carrying around food. All you have to do is combine protein powder with the liquid of your choice, screw the lid on tight, and shake away until your drink is thoroughly mixed. Also, a proper cap and leak-free seal are essential. Along with being secure and easy to use, we also have a few more suggestions on what to look for when scouring the market. Use In terms of the blending mechanism, this bottle uses BPA-free plastic blades to mix together liquid and powder into a smooth and frothy drink. Our tester said the product was easy and convenient to use.