This Nettle blend is super high in iron and detoxifying with the addition of dandelion root. Caffeine Level: No Caffeine. Country of Origin: Various Countries. Ingredients: Nettle, spearmint, dandelion root, fenne l . Steeping Suggestions: 1 teaspoon (3g) of tea per 6oz cup of water, 101°C (212°F) for 5-8 minutes.