mmm tea . . . .
cinamon and clove is very tasty
cinnamon ginger tea
If your up for an adventure you can try to find some luohanguo or arhat fruit. They look like brown balls and the seeds can be steeped for sweetness. Its considered to be a secret to longevity here in China.
You can also do some red date and goji berry teas, or any sugar free 8 treasure teas.