Possible Clues:

• Artificial sweetener
• Sweetener upset team following a dispute
• Sweet stuff
• Artificial sweetener is as a norm dull
• What NutraSweet is a brand of
• It's sweet to take me to a Greek city
• Equal, essentially
• Sweetener? As what you'd expect -- insipid
• What sweetens a comfortless state: I do!
• A box with domestic sweetener