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Rehmannia Dean Thomas’s Supertonic longevity elixirs and extracts are time tested formulations for radiant health, strengthening life force, increased longevity, enhanced memory, heightened energy and, ultimately maximized health. Rehmannia Dean Thomas’s tonic herbal powdered extracts utilize the most revered herbs of Asia, proven safe and effective over thousands of years’ use. Rehmannia’s tonic herbal formulas also support mental and physical wellness to thrive in today’s hectic world.

The majority of Tonic herbs are wild plants, harvested in forests in an ancient tradition by sanctioned collectors. Great care is taken to insure the herbs are gathered sustainably, with minimal damage to the environment. Rehmannia sources his herbal powdered extracts from pristine regions in the northern Manchurian province of China, as well as the Korean countryside. This region is geographically similar to Maine, hosting many protected biospheres which are monitored by the United Nations and the Chinese government. The herbs selected from these wild forests are designated “Di Tao,” meaning they are guaranteed pure, and sustainably collected from the region of their biological origin. We provide lab analysis (COA’s) upon request.