Lithothamnium calcareum
Other names: Red algae
Harm score: 1 (Natural substances)
Lithothamnium calcareum, also commonly known as Red algae, is a red seaweed that grows deep beneath the sea surface on the Atlantic coasts of Ireland, Iceland and Scotland. This seaweed is unique in its composition as it is a rich source of minerals, trace elements and calcium. Due to this content, it is often used in several types of products, including food supplements and cosmetic products.
Lithothamnium calcareum is characterised by its high calcium content - up to 5 times more than cow's milk. This high calcium content is crucial for bone and dental health. Therefore, this seaweed is a common ingredient in various dietary supplements designed to strengthen bones and prevent osteoporosis. Another use of red algae is in the cosmetic industry. It is included in various creams, masks and other skin care products as it has moisturizing effects and contributes to skin regeneration. Last but not least, Lithothamnium calcareum is used in agriculture as a natural fertilizer.