Rosemary (Rosmarinus officinalis): traditional infusions, essential oil massage, digestion and memory uses, contraindications, and drug interactions.

White horehound (Marrubium vulgare) is a traditional expectorant and digestive herb. See tea preparation, dosage, contraindications, and safety precautions.

Common sage, Salvia officinalis L., a grey-leaved Mediterranean subshrub of the Lamiaceae: taxonomy, morphology, range, cultivation and phytochemistry.

Self-heal (Prunella vulgaris L.) is one of the most widely distributed herbs on Earth. Taxonomy, morphology, habitat, phytochemistry, history and conservation.

Ocimum tenuiflorum, holy basil or tulsi, is an aromatic perennial of the Lamiaceae: taxonomy, morphology, range, cultivation and phytochemistry.