Are you ready to feel good in ways you never thought possible? Start your Humm 7-Day Challenge now. Drink one Humm every day for seven days in a row. That’s it. Start any day, choose any flavor (they’re all delicious) and drink it whenever you want. With your BLT sandwich, as a bubbly mid-afternoon pick-me-up, or mix it with your evening cocktail. And then what? After a week of probiotic power, pumped with B12 for energy, tell us how you feel! We have a suspicion that you’ll feel really fizzin’ good.