The very nature of protein shakers mean you're sloshing liquid all over the place, so a tight seal is non-negotiable. Let's be honest here; we can think of a lot of bevs we'd rather chug than a protein shake. While the formulas are coming on leaps and bounds (hello Vimto Clear Whey) they're not exactly the most delicious of drinks. But they are a hell of a lot easier to swallow when icy cold. Measure your contents into the shaker (making sure you leave enough room to mix), then shake the protein shaker vigorously up and down for a slow count of 20,' says Campus. 'The mixer breaks up the protein powder and helps mix the ingredients together. Then enjoy!' Look for insulated shaker bottles that are stainless steel, dual walled, and vacuum sealed,' says Campus. These will keep your shake palatably chilled and offer a welcome burst of refreshment post-sweat sesh. (Pro tip from Place: add ice cubes before shaking.) Lid and seal

Add the plastic mesh insert, such as the one in the USN Shaker Bottle or the metallic shaker ball and then seal the lid, making sure it is closed tight! Measurement accuracy: 'Many protein shakers have measurement markings on the side, which helps you accurately measure the amount of liquid or protein powder needed for your desired serving size. This ensures that you can easily customise your protein shake to meet your specific nutritional requirements.'Look for a shaker with a secure and leak-proof lid,' says Place. 'A good seal ensures that you can shake the shaker vigorously without worrying about spills or leaks.' Mixing mechanism There are a few factors to consider when shopping for a protein shaker to ensure you get the best out of your well-chosen powders. Keep the following in mind. Material They come in a range of cute and quirky colours and designs, including Anchor , Coral and Grey so you can reduce your impact on the planet without compromising on style.

Versatility: 'Protein shakers are not limited to protein shakes alone. They can also be used to mix other powdered supplements, such as pre-workouts, BCAAs, or meal replacements. This versatility makes them a convenient tool for individuals who incorporate various supplements into their fitness or nutrition regimen.' The mixing mechanism is crucial for a smooth shake,' says Blow. 'Look for shakers that come with a wire whisk ball or a mixing grid [a honeycomb-like grid that covers the internal width of the shaker]. These little helpers break down those pesky protein powder clumps, ensuring you get a silky texture.'Chances are you're regularly hitting the gym and want to take your trusty nutritious pal with you. 'If you plan to take your protein shake on the go, consider the shaker's portability features,' says Place. 'Look for a shaker with a compact design, a secure lid, and the ability to fit into cup holders or bags.' Extra features The clue is very much in the name, but for the uninitiated, allow us to explain. 'A protein shaker is a container designed specifically for mixing protein powder and liquid to create a protein shake,' says Amanda Place, personal trainer and founder of Sculptrition. 'It typically consists of a bottle or container with a tight-sealing lid and a mixing mechanism, such as a wire whisk ball or a built-in mixer.'