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What Is Algaecal?: A Comprehensive Guide to the Plant-Based Calcium Supplement

4 min read

After age 40, many individuals begin to experience a gradual decline in bone density, a concern for long-term health. As a response, an increasing number of people are turning to supplements like Algaecal, a plant-based calcium derived from a rare South American marine algae.

Quick Summary

Algaecal is a dietary supplement featuring calcium and other minerals sourced from marine algae. It is formulated to be a more absorbable, multi-nutrient alternative to traditional rock-based calcium supplements.

Key Points

  • Plant-Based Calcium: Algaecal is sourced from a unique marine red algae, providing a whole-food, multi-mineral alternative to traditional rock-based calcium supplements.

  • Multi-Nutrient Approach: Unlike simple calcium supplements, Algaecal products combine calcium with over a dozen other bone-supporting minerals like magnesium and trace elements, often with added vitamins D3, K2, and C.

  • Enhanced Absorption: The plant-based nature of Algaecal is believed to be more bioavailable and easier on the digestive system than rock-sourced alternatives, potentially reducing digestive side effects.

  • Clinically Supported to Increase BMD: Published human clinical trials have shown Algaecal's ability to increase bone mineral density in adults, rather than just slowing bone loss.

  • Includes Strontium for Enhanced Effect: Some protocols combine Algaecal with a strontium citrate supplement, which has been shown to further enhance bone-building effects by stimulating new bone growth.

  • Not a Medication: Algaecal is a dietary supplement and not a pharmaceutical drug. It is recommended to consult a healthcare provider before use, especially if on medications.

  • Tested for Purity: Every batch of Algaecal is tested for heavy metals and microbes by independent labs to ensure safety.

In This Article

Understanding Algaecal: The Plant-Based Advantage

Algaecal is a dietary supplement, not a medication, distinguished by its unique source: a fossilized red marine algae (Lithothamnion superpositum), also known as Algas calcareas. This algae is sustainably hand-harvested after naturally detaching from the ocean floor and washing ashore off the pristine coasts of South America. It is then sun-dried and milled into a powder, preserving its rich mineral profile. Unlike many conventional calcium supplements derived from limestone or marble, Algaecal offers a whole-food source that includes a complex of bone-supporting minerals.

The Whole-Food Difference

The key to Algaecal's approach is its multi-nutrient content. The marine algae naturally accumulates a broad spectrum of minerals from the ocean, including not just calcium, but also magnesium, strontium, and other trace minerals. This is often contrasted with rock-based supplements, which can contain primarily isolated calcium carbonate. The whole-food structure of the algae-based supplement is designed to be more easily recognized and absorbed by the body, potentially leading to better efficacy and fewer digestive side effects like gas and constipation.

Key Ingredients Beyond Calcium

While calcium is the star mineral for bone health, it does not work in isolation. A comprehensive bone-building strategy requires a symphony of nutrients working together. Algaecal products incorporate a range of other essential vitamins and minerals to optimize bone health. For instance, the Algaecal Plus formula adds vitamins D3, K2, and C, along with additional magnesium and boron.

  • Vitamin D3: Crucial for the absorption of calcium from the digestive tract into the bloodstream.
  • Vitamin K2: This vitamin is vital for directing the absorbed calcium towards bone tissue, ensuring it is deposited where it's needed and not in soft tissues like arteries.
  • Magnesium: Works in synergy with calcium and is involved in hundreds of biochemical reactions, including bone mineralization.
  • Strontium: Certain protocols, like the Bone Builder Pack, include a companion supplement called Strontium Boost. Strontium is a naturally occurring mineral that has a dual effect on bone by stimulating bone-building cells (osteoblasts) and slowing down bone-resorbing cells (osteoclasts).

Algaecal vs. Traditional Calcium: A Comparison

To understand the appeal of Algaecal, it's helpful to compare it with common rock-based calcium supplements.

Feature Algaecal (Algae-Based) Traditional Calcium (Rock-Based)
Source Sustainably harvested marine algae (Lithothamnion superpositum). Mined limestone or marble, refined into calcium carbonate or citrate.
Mineral Profile Contains a full spectrum of 13 bone-supporting minerals naturally present in the algae. Typically contains only calcium, sometimes with added Vitamin D.
Bioavailability Claimed to be a highly bioavailable whole-food source, easily absorbed by the body. Often less absorbable, with some forms like calcium carbonate potentially causing digestive issues.
Digestive Impact Generally considered gentler on the stomach, with a lower incidence of gas, bloating, and constipation. Side effects like constipation and gas are more commonly reported.
Clinical Evidence Three published human clinical studies showed increases in bone mineral density. Studies typically show a slowing of bone loss, not a reversal or increase in density.
Additional Nutrients Formulations like Algaecal Plus include vitamins D3, K2, and C, plus extra minerals. Often requires additional supplements to achieve a multi-nutrient approach.

Clinical Research and Reported Benefits

Unlike many supplements with limited research, Algaecal's effectiveness is supported by three published human clinical trials. A 7-year longitudinal study, published in the Journal of the American College of Nutrition, found that participants taking an Algaecal formulation experienced a consistent, linear increase in bone mineral density (BMD). While the average person over 40 loses approximately 1% of BMD per year, this study showed an average annual increase of 1.04% in participants over seven years. When taken alongside the Strontium Boost supplement, clinical data suggests an even faster and more significant increase in bone density.

Important Safety Information

Algaecal's safety profile is a key aspect of its appeal. The main ingredient has undergone toxicology and safety studies and has been granted GRAS (Generally Recognized As Safe) status by the FDA. Clinical trials conducted on the supplement have not reported significant adverse effects. It is important to distinguish the natural strontium citrate used in Algaecal's companion products from the synthetic drug strontium ranelate, which was associated with cardiovascular risks and is now restricted in Europe. However, anyone with impaired kidney function or taking certain medications, particularly older anticoagulants, should consult their doctor before starting. Regular testing is also performed to ensure the supplement is free of heavy metals and other contaminants. For more safety information, the results of the 7-year study were published in the Journal of the American College of Nutrition.

Conclusion

For individuals seeking a multi-nutrient, plant-based calcium supplement, the answer to 'What is Algaecal?' is that it represents an alternative to traditional, rock-based options. Its whole-food source from marine algae, combined with a spectrum of other minerals and vitamins, is designed for optimal absorption and efficacy in supporting bone health. Supported by published human clinical studies that report increases in bone mineral density, Algaecal offers a different approach to managing bone health, especially for those with low bone density. However, as with any dietary supplement, it is crucial to consult a healthcare provider to ensure it is the right and safe option for your individual needs.

Authoritative Link

For detailed information on the long-term safety and efficacy studies, visit the National Institutes of Health (NIH) website to view the abstract of the 7-year longitudinal trial: https://pubmed.ncbi.nlm.nih.gov/26885697/

Frequently Asked Questions

No, Algaecal is a dietary supplement, not a medication. The U.S. Food and Drug Administration (FDA) has not evaluated its claims to diagnose, treat, cure, or prevent any disease.

Algaecal Plus is a more comprehensive formula than basic Algaecal, including added vitamins C and K2, which are important for proper calcium absorption and distribution. The basic formula is available for those who cannot take vitamin K2 due to medication interactions.

The marine algae used in Algaecal is harvested sustainably. It grows to the size of a kiwi, then detaches naturally and washes ashore, where it is hand-collected to preserve its mineral content.

The manufacturer claims that human clinical studies have shown their supplement, especially when combined with a strontium supplement, can help increase bone mineral density. However, individual results may vary, and it is best to consult with a healthcare professional.

The plant-based formula is generally well-tolerated. Unlike traditional calcium carbonate, which can cause constipation, gas, and bloating, these digestive issues are reportedly less common with Algaecal.

The core ingredient of Algaecal has undergone safety and toxicology studies and earned GRAS (Generally Recognized As Safe) status from the FDA. Clinical trials have not reported adverse side effects. However, it is crucial to consult a healthcare provider, especially if you have a pre-existing medical condition or take prescription medications.

The recommended method of taking Algaecal depends on the specific product. It is generally advised to take the daily amount with food to maximize absorption. For specific instructions, it is best to refer to the product packaging.

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Medical Disclaimer

This content is for informational purposes only and should not replace professional medical advice.