This enriched blend of tea includes nettle leaf, dandelion leaf, red clover, and licorice. Nettle & Friends Tea by Holistic Harmony is best steeped overnight to reap its benefits, which include nourishing the kidneys, anti-histamine, diuretic, blood cleanser, and lymph mover with adrenal support. Consideration: Licorice root is contraindicated for those with high blood pressure.