The nettle plant contains flavonoids, carotenoids, and several vitamins that act as antioxidants, which strengthen immune cells and stimulate T-cell activity in the immune system. The extensive variety of vitamins and minerals in nettles provides important components for immune system function that can be ingested easily through a daily cup of tea or freeze-dried powder capsules. Calcium, magnesium, and iron combined with vitamins D and K strengthen bones and teeth while enhancing clotting factors in the blood. Many compounds in the nettle plant increase free radicals, which protect and extend the life of cells in the immune system and throughout the body.

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