Iceland moss

Icelandic moss (Cetraria islandica)

Icelandic moss (Cetraria islandica) is a lichen found throughout Europe, growing on rocks, tree bark and on the ground in cool, moist regions. It has a pale green to brownish color and a bushy, shrubby form with many branches. The lichen feels dry and crisp, but becomes soft and pliable when moist. Icelandic moss has a slightly bitter, earthy taste.

Healing Effects  

Icelandic moss has a long tradition in herbal medicine and was valued as a medicinal plant as early as the Middle Ages. Thanks to its rich mucilage content, it has a soothing effect on irritated mucous membranes and alleviates coughs as well as catarrhs of the upper respiratory tract. In homeopathy, low potencies are used to treat respiratory diseases. Aqueous extracts are used as cough suppressants in cough syrups and lozenges.

Due to its antibacterial and anti-inflammatory properties, Icelandic moss was formerly also used externally in ointments for poorly healing wounds, eczema and bedsores. Its bitter substances stimulate digestion, which is why it was traditionally taken for loss of appetite and digestive problems. Icelandic moss is not used in Traditional Chinese Medicine or Ayurveda.

Health Risks

Icelandic moss is considered relatively safe when used properly. However, there are some potential risks and side effects to be aware of:

- Excessive consumption of extracts or teas can cause gastrointestinal problems such as nausea, vomiting or diarrhea.

- The tannins contained in Icelandic moss can impair the absorption of minerals such as iron, zinc or calcium with long-term intake.

- Intake is not recommended for pregnant and breastfeeding women, as potential risks have not been sufficiently researched.

- In case of existing stomach or intestinal ulcers, Icelandic moss should only be consumed after consultation with a doctor, as the tannins can be irritating. 

- Allergic reactions are possible in case of intolerance to lichens.

Overall, Icelandic moss is considered safe for occasional use. However, a doctor should be consulted for regular intake or pre-existing conditions.