Eupatorium perfoliatum (boneset): traditional uses, compounds, preparation forms, and the pyrrolizidine alkaloids that limit it to short-term, guided use.

Kola nut (Cola nitida): traditional uses, caffeine and other phytochemicals, preparation forms, recipes, contraindications and safety precautions explained.

Epazote (Dysphania ambrosioides): names, traditional uses, phytochemistry, external-use recipes and the warning about its toxic essential oil.

Jamun (Syzygium cumini): traditional uses, phytochemistry, how to prepare the tea, plant synergies and precautions for people taking diabetes medication.

Papaya (Carica papaya): traditional uses of the leaf and fruit, papain, phytochemical profile, recipes, pregnancy precautions and contraindications.