Oregano (Origanum vulgare): aromatic Lamiaceae herb; see traditional uses, tea and oil preparation, synergies, and contraindications.

Arnica (Arnica montana): traditional topical uses for bruises, sprains, and muscle pain, plus preparation methods and contraindications.

Basil (Ocimum basilicum): traditional uses, tea and oil preparation, studied properties, and pregnancy contraindications explained here.

Cat's Claw (Uncaria tomentosa): an anti-inflammatory, immunomodulatory Amazonian plant; see preparation, contraindications, and drug interactions.

Horny goat weed (Epimedium sagittatum): traditional Chinese Medicine uses, tea and tincture preparation, contraindications, and side effects to know.