Relative to epinephrine, which is produced and stored primarily in the adrenal glands, norepinephrine is stored in small amounts in adrenal tissue. Its major site of storage and release are the neurons of the sympathetic nervous system (a branch of the autonomic nervous system).
Fruits with high levels of polyphenols include black chokeberries, black elderberries, strawberries, red raspberries, blueberries, plums, and black currants. Cocoa powder, dark chocolate, coffee, tea, and flaxseed meal are also high in polyphenols.
Deeply pigmented vegetables provide fiber and natural anti inflammatory compounds. Herbs and food such as turmeric, oregano, garlic, green tea, blueberries and ginger contain bioflavonoids and polyphenols, limiting free-radical body production.