The Claim: "Each serving delivers over 700 mg of anthocyanins plus a wide range of other vitamins, minerals, fibers, and phytochemicals."

The Reality: Our test found only 162 mg, but that's still the most of all the juices.

Best For: Preventing memory loss. Anthocyanins can enhance brain cell connections and even stimulate neuronal regeneration.

Price: $5 for 32 oz; $1.25/serving