Usn nutrition are forever adding to their range and now theyrsquove brought out a 1 litre mega shaker which is perfect for any gym goerr usn nutrition mega shaker allows you to have any kind of protein of any kind of serving size without any problem at all therersquos always plenty of room for waterr usn nutrition mega shaker features a screw top lid allowing it to stay very tight without any leaking at all it comes with a pop of top for easy access and conveniencer usn nutrition mega s