If you want to supplement calcium, you have a choice: a mineral from a drugstore – or a red algae from the Atlantic that naturally stores calcium, magnesium, iodine, and over 70 trace elements.
In this article, you will learn what makes this algae so special, what nutrients it provides, what the EFSA says about it – and why it is the clearer choice for many when it comes to natural mineral supply.
What is calcium algae?
Calcium algae (Lithothamnion calcareum) is a marine red algae from the Corallinales family. It grows in the mineral-rich, cool waters of the North Atlantic, mainly off the coast of France and Ireland. Due to its coral-like structure, it was long mistakenly thought to be a coral.
What makes it unique: throughout its growth cycle, Lithothamnion actively accumulates calcium, magnesium, iodine, and over 70 trace elements directly from the seawater. The algae literally incorporates these minerals into its cell structure. After its growth phase ends, it sinks to the seabed – where it is sustainably harvested, dried, and gently processed into a fine white powder.
The result: a pure natural product with a mineral profile that no laboratory can replicate.
What is calcium algae good for?
The European Food Safety Authority (EFSA) has published scientifically confirmed health claims that show how calcium, magnesium, and iodine work in the body:
Calcium
- Calcium is needed for the maintenance of normal bones
- Calcium is needed for the maintenance of normal teeth
- Calcium contributes to normal muscle function
- Calcium contributes to normal energy metabolism
- Calcium contributes to normal blood clotting
- Calcium contributes to the normal function of digestive enzymes
- Calcium has a role in cell division and specialization
Magnesium
- Magnesium contributes to a reduction of tiredness and fatigue
- Magnesium contributes to normal muscle function
- Magnesium contributes to the maintenance of normal bones and teeth
- Magnesium contributes to the normal functioning of the nervous system
- Magnesium contributes to normal energy metabolism
- Magnesium contributes to electrolyte balance
Iodine
- Iodine contributes to normal thyroid function
- Iodine contributes to the normal functioning of the nervous system
- Iodine contributes to the maintenance of normal skin
Calcium algae vs. classic calcium supplement: Why algae wins
Calcium is calcium – or is it? Not quite. The form in which you consume calcium makes a significant difference to its bioavailability – that is, how much of it your body can actually utilize.
Most inexpensive dietary supplements from drugstores contain pure calcium carbonate – it is often offered to the body in isolated form, without natural accompanying substances.
Calcium algae works differently: the calcium here is present in an organically bound, complex, and porous matrix – embedded in natural accompanying substances such as magnesium and trace elements from the algae cell wall.
| Criterion | ORGANIC Calcium Algae Powder | Calcium Carbonate (synthetic) |
|---|---|---|
| Origin | 100 % natural, marine | Industrial, from rock/egg shells |
| Accompanying substances | Magnesium, Iodine, 70+ trace elements | None / hardly any |
| Bioavailability | Natural matrix, organically bound | Isolated mineral |
| ORGANIC certified | ✅ Yes | ❌ No |
| Vegan | ✅ Yes | Mostly yes |
| Additives | None | Often fillers, anti-caking agents |
| Sustainability | ✅ Wildcrafted, Atlantic | ❌ Industrial |
The result: If you are looking for a natural, plant-based, and as pure as possible calcium source, calcium algae is the significantly better choice.
Algomed® ORGANIC Calcium Algae Powder – our quality
- EU organic certified – controlled organic quality
- Wildcrafted from the North Atlantic – sustainably harvested
- 100% Lithothamnium calcareum – no additives
- Finely ground – good mixability
- Lab tested – for contaminants
Calcium algae (Lithothamnium calcareum) is a true natural product with an impressive nutrient profile. It provides calcium, magnesium, and iodine in natural form – plus numerous trace elements.
If you are looking for a plant-based alternative, discover Algomed® ORGANIC Calcium Algae Powder now.
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