Marigolds

Studies show that marigold's dozens of active chemicals make it a natural cytotoxic, hepatoprotective and spasmogenic herb; This herb has been proven in both animal and human experiments. Extracts from the flower have been shown to lower C-reactive protein and cytokine levels and protect cells from damage by free radicals, one of the major causes of aging and cell deterioration.
Marigold also provides defense against infections of the skin, intestines and genitals caused by viruses or bacteria.
Also, research shows that marigold helps fight the growth of bacteria in wounds and may even reduce symptoms associated with chemotherapy and cancer treatments.