I really like Chai tea, but I'm not a fan of the concentrated variety. An easy option is to make your own spice mix. At home I mix the spices and tea just before adding the hot water, but for work I just add tea leaves to the spice mix and it's ready to use.
Chai Spice Mix
2 tsp ground cardamon
1 tsp ground nutmeg
1 tsp ground cinnamon
1 tsp ground cloves
1/2 tsp ground black pepper
Mix ingredients and store in an airtight container.
To make tea, add 1 tsp loose leaf black tea and ¼ tsp spice mix to a tea infuser. Steep about 5 minutes. Add milk and sugar to taste.