What is lithotamne?

Lithotamne is a calcareous algae measuring about 2 cm, blue-purple in color when alive.

It has branches that become detached in adulthood. They are composed of approximately 95% of mineral matter.

The food lithotamne corresponds to the skeleton, mainly calcareous, of this alga very rich in trace elements (19 in total).

The natural origin of lithotamne

It can be found in permanently submerged areas all around the planet - particularly in the Atlantic, the North Sea, the English Channel, and the Mediterranean.

The benefits of lithotamne

Thanks to its particular structure, lithotamne is an optimal source of calcium and vitamin D2. Its benefits are numerous, calcium contributes :

  • the normal functioning of digestive enzymes
  • to a normal energy metabolism.
  • maintaining a normal bone structure

Lithotamne also contains vitamin D which contributes to the absorption and normal use of calcium and phosphorus.

Yes, but for whom?

It can be consumed by everyone from childhood. It is recommended for :

  • anyone seeking digestive health
  • growing children and adolescents (calcium is necessary for normal growth and bone development in children)


The benefits of lithotamne are closely linked to its composition in trace elements. Indeed, it contains - among others - more than 74 minerals of which calcium and magnesium in forms particularly assimilable by the body.

  • Minerals

Lithotamne consists of more than 98% mineral substance.

It is rich in calcium, present in the form of carbonate. Thus, its consumption at standard dosages covers 100% of the recommended intake.

Vitamin D2 allows the optimal use of calcium at the bone level, by promoting its fixation.


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