The Claim: "Quite possibly the most powerful liquid antioxidant program in the world!"

The Reality: Sky-high vitamin C levels and solid in antioxidants; the only juice that contained beta-carotene.

Best For: Staying healthy. Beta-carotene helps cells communicate, which in turn enhances the immune system and flushes out tumor-causing "old" cells.

Price: $30 for 32 oz; $1.88/serving (a 2-oz shot per day)