Given you wish to cut costs, how about a sliced or mashed banana sandwich at 50km, washed down with water? There's lots of sodium in bread & there's sugar and potassium in the banana.
@helly started
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Given you wish to cut costs, how about a sliced or mashed banana sandwich at 50km, washed down with water? There's lots of sodium in bread & there's sugar and potassium in the banana.