I haven’t tried this product yet, but I’m eager to!  I was just waiting for an awesome sale! Here’s a chance to grab some at Target for a great price (even without a sale) and give it a try if you haven’t already:

MiO Liquid Water Enhancer $3.84, Regular Price
Use $1.00/1 Mio or Mio Energy, from SS 2/26 (exp 4/30)
And Use $1.00/1 – MIO Beverage Enhancer, Target Coupon – (target.com)

Final Price: $1.84