Videre non videri
Join Date: Sep 2004
Location: Gothenburg, Sweden
Bikes: 1 road bike (simple, light), 1 TT bike (could be more aero, could be lighter), 1 all-weather commuter and winter bike, 1 Monark 828E ergometer indoor bike
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Let's think sensibly about this...
Fat probably has the highest energy density of any human food substance possible.
It holds ca 9 kcal (calories) per gram. 1000 kcal requires just over 111 grams of pure fat. Mouthwash is at least 90-95% water, so even if the rest of it is pure fat, you'd still need 1-2 litres (35-70 fl oz) of mouthwash liquid to get that much energy out of it. And you'd have to swallow all of that, of course!
Nah, there's no food energy in either of those products...