Nearly all cyclists now use energy or protein powders. There not easy to mix in a normal cycle bottle. You spill the powder trying to get it into the neck of the bottle. You never seem to quite get it all the powder to mix. Try investing in a protein shaker bottle. You can pick them up in a sports shop or even down the supermarket nowadays. The best ones to buy are Buchsteiner it's usually stamped on the bottom of the bottle. The bottles are like large cocktail shakers, big wide necks they either have a screw or push on cap. the clever bit is the plastic lattice bit in the middle which mixes everything up. You can then just pour it into your cycle bottle.
