Butterbur (Petasites hybridus): a plant used in PA-free extracts, studied for migraine and allergy support; see uses, risks, and contraindications.

Goldenrod (Solidago virgaurea): traditional uses, preparation methods for tea and tincture, and contraindications of this diuretic herb.

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

Pot Marigold (Calendula officinalis): traditional uses, preparation methods, properties, and contraindications of this soothing, skin-healing plant.

Dandelion (Taraxacum officinale) is used as a diuretic and liver support herb; see tea preparation, contraindications, and drug interactions.