Even if the flavor wasn't so doggone good, we'd have to include Kombucha Dog on our list if for no other reason than the brand donates 100% of its proceeds to dog rescues and no-kill shelters.

That alone is worth buying a few (dozen) bottles. Photographer Michael Faye helps homeless dogs get adopted by featuring them on the labels. You can also find this brand at restaurants, sometimes on tap, which is definitely worth trying for the unbeatable freshness.  Kombucha Dog is the only kombucha naturally fermented long enough to contain the lowest amount of sugar and the highest number of probiotics and antioxidants. Plus, the level of carbonation, sweetness and tang is on point.

Calories: 60 calories per bottle
Sugar: 6 grams per bottle