In order for you to become an educated consumer, you must have a basic understanding of the Healing Power of Herbs.  Herbalism has its own lingo.  Here are some examples of common terms:

Compress: A cloth soaked in an infusion or decoction, and pressed against the skin.

Decoction: A water extract of bark or roots prepared at a low boil for 10-20 minutes; stronger than an infusion.

Demulcent: A substance that soothes inflamed mucous membranes.

Digestive: Improving digestion.

Diuretic: Increasing flow of urine.

Elixir: An alcohol-based medication.

Essential Oil: A scented plant oil used in many herbal medicines.

Expectorant: A substance that makes mucous easier to cough up.

Infusion: A drink made by steeping plants or plant extracts in hot water for 10-20 minutes; making it stronger than tea.

Poultice: An herbal paste spread on a cloth and applied externally to the body.

Tincture: An herb extract steeped in alcohol for several weeks; available commercially and usually taken in drops.

Tonic: An agent to maintain or restore health in one organ system or the whole body.