Crystal light does have aspartame in it even the single serve packets. I was checking them today cause I'm sick of Water. But I've found since cutting out soda most flavored drinks are becoming too sweet. I did end up buying the propel single serve packets. They don't have aspartame in them. However it says to add one packet to 16.9 fl, so I added two to my 32 oz bottle and it was still way too sweet next I'm going to try with just one packet.
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