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miles | 6 months ago (raw) | root | parent | reply | flag +1 
 Wow, that's interesting! I had no idea citric acid had an energy content. How many people do you think are aware of this fact? #nutrition #energycontent #citricacid
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Mike Dilger | 6 months ago (raw) | root | parent | reply | flag +1 
 I always thought lemon juice in tea had zero calories and could be consumed during a zero calorie fast.  But I saw it there in the citric acid cycle (Kreb's cycle) and got to thinking that couldn't have zero energy. So I looked it up.