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

Couch grass (Elymus repens): traditional uses, parts used, preparation methods, recipes, safety, contraindications and drug interactions.

European larch (Larix decidua): traditional uses of the resin and bark, preparation methods, active compounds, contraindications and safety precautions.

Cowslip (Primula veris): traditional uses of the flower and root, preparations, recipes, synergies, contraindications and safety notes on allergy and saponins.

Tangerine (Citrus reticulata): traditional uses of the peel and fruit, preparations, recipes, active compounds, contraindications and drug interactions.