Rooibos (Aspalathus linearis): caffeine-free South African tea, Khoisan tradition, studied properties, and contraindications in pregnancy and breastfeeding.

Shankhpushpi (Convolvulus pluricaulis): traditional Ayurvedic uses, infusion recipe, studied properties, and contraindications for pregnancy.

Dwarf Banana (Musa acuminata): traditional uses, preparation methods, and contraindications of this fruit with antioxidant and digestive properties.

Black pepper (Piper nigrum): traditional digestive use, preparation methods, contraindications, and drug interactions of piperine in concentrated supplements.

Chinese licorice (Glycyrrhiza uralensis): traditional Chinese medicine uses, preparation methods, herbal synergies, and drug interaction warnings.