I don't think so. I drink at least a liter of unflavored seltzer per day and don't feel bloated. In fact I think it helps with digestion.
Unless of course your flavorings contain sodium, sodium causes bloating.
"Binging is a descent into a world where every restriction... is cut loose. At its core is a feeling of deprivation.. a feeling you can never get enough. Binges do not signify a lack of willpower or inability to care for yourself. On the contrary, binges are a urgent attempt to care for yourself when you feel uncared for. They are the voice of survival. Binges are the mark of the self that says, 'I am tired of feeling deprived, of being told I am wrong, that I am bad." - Geneen Roth
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