If you grow your own stevia, you can preserve the leaves while still fresh to make the most potent extract. (wellnessmama.com)
Digest RC from Life Extension features a blend of potent extracts from black radish, artichoke, peppermint, and wormwood. (drvitaminsolutions.com)
In1995, Life Extension Mix was reformulated to include even more potent extracts of lycopene and xanthophyll, along with a 22 to 1 broccoli concentrate and numerous other disease preventing enhancements. (drvitaminsolutions.com)