Go DIY. Copy a formula. Choose your own flavour. End up with about 5-6kg for the price of 1.5kg in the brand names. F. T. W.
@BMMF - you got any recipes?
I've use Nuuns, but have reverted to a generous pinch of sea-salt, which contains a lot of the same trace elements.
My costs-fuck-all DIY energy formula at the minute is: maltodextrin, fructose, sea salt, optional caffeine (for longer rides & fat burning, or evening rides where I don't have coffee first), elderflower cordial. I may switch to ginger cordial in the winter - depends what the sports scientists have to say about it over the coming months ;)
Another good budget rehydrater is just water with a splash of cyder vinegar and a pinch of sea salt. Loads of goodness, and you're not paying for little plastic tubes.
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