I have also tried the coconut tea by Adagio. I would love to love it. The flavor just isn't strong enough for my taste. I cannot drink coffee or milk.
Here's my experience with it:
Black tea, steep 3 minutes at boiling. Has little flaky bits in it of coconut. I added two small pinches of cane sugar since I'm giving my gut a rest from the stevia. I used tap water (as I have been since starting tea due to lack of bottled water). The flavor seems very pale and watered down while warm. The coconut taste is exceptionally mild and very barely present at the back of the tongue. The scent in the pouch is very strong.
Tasting it cold, it is markedly more coconutty yet still tart, and somewhat enjoyable. 3/5.
Try 2: Steeped 3-4 minutes at boiling, 1 tablespoon to try to boost flavor (works with the fruit tea above). Used lots of cane sugar. The flavor was disgusting and bitter- I had to throw it out. Sad.. I don't think there's a way to redeem this. 1/5.
Try 2 edit: Ironically, with NO sugar whatsoever, straight from the teapot left sitting for a few hours, it's edible. Maybe the secret is to let it get down to room temperature and use no sugar. Even so... 2/5.