Sea holly (Eryngium maritimum): traditional uses as a diuretic and expectorant, preparation methods, recipes, contraindications and safety precautions.

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

Lingonberry (Vaccinium vitis-idaea): traditional uses, how to prepare leaf tea and juice, phytochemical profile, contraindications and arbutin precautions.

Catuaba (Trichilia catigua): traditional uses of the bark, preparation, contraindications and how to tell it apart from other plants sold as catuaba.

African Potato (Hypoxis hemerocallidea): traditional uses, preparation, contraindications, and the risk of interaction with antiretroviral drugs.