Oarweed (Laminaria digitata): learn about this iodine-rich brown seaweed, its traditional uses, compounds, culinary recipes and thyroid precautions.

Wild garlic (Allium ursinum): names, sulfur compounds, traditional uses, recipes, drug interactions and how to tell it apart from toxic look-alikes.

German iris (Iris germanica): traditional uses, phytochemistry, how the dried and cured rhizome is prepared, safety precautions and contraindications.

Honeybush (Cyclopia intermedia): traditional uses of the South African tea, preparation, recipes, compounds and contraindications, including hormonal ones.

Andrographis (Andrographis paniculata): traditional uses, how to prepare the tea and tincture, scientific studies, contraindications and drug interactions.