Hypothyroidism (Underactive Thyroid) Part 1: Too Little Thyroid Hormone Hypothyroidism is a condition in which the body lacks sufficient thyroid hormone. Since the main purpose of thyroid hormone is to run the body's metabolism, it is understandable that people with this condition will have symptoms associated with a slow metabolism.
Like fennel, anise has a slight licorice feel to it. Medicinally, anise is consumed to treat coughs, excessive gas, and it is used as a breath freshener. The anise plant can grow to 18 inches tall and has small clusters of white flowers.
Fennel contains a complex of estrogen-affecting compounds. An evaluation published in the Journal of Enthnopharmacology found that fennel's primary estrogen-like compounds include anethole, photoanethole and dianethole, which it shares with similar-tasting plants, such as licorice root, anise and star-anise.