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What is Algae Calcium ?
Algae calcium is a plant-based calcium supplement derived from marine algae, offering a natural and sustainable alternative to traditional calcium sources like limestone oyster shells or laboratory calcium salts like calcium citrate. Unlike synthetic calcium, algae calcium is harvested from the mineral-rich red algae species(Plant) looks like kiwi sized fruit like structure, most notably Lithothamnion calcareum and superpositium species, which thrives in the pristine, nutrient-dense waters off the coast of Iceland and Ireland. The history of algae calcium dates back to ancient coastal communities who recognized the value of marine botanicals for their health, using them to support bone and joint strength long before the advent of modern supplements. This form of calcium is celebrated for its high bioavailability, meaning the body absorbs it more efficiently than many rock-based sources, and it comes naturally enriched with a spectrum of 72 trace minerals such as magnesium, boron, and strontium, etc all vital for holistic bone health. Algae calcium is typically imported from select, environmentally regulated marine reserves, where the algae are sustainably harvested, sun-dried, and gently milled to preserve their nutritional integrity. As a vegan-friendly, non-GMO, and allergen-free ingredient, it is gaining popularity among health-conscious individuals seeking clean-label supplements that align with plant-based lifestyles. Its unique cellular structure not only supports superior absorption but also minimizes digestive discomfort commonly associated with other forms of calcium. Algae calcium stands out as a testament to nature’s ingenuity in providing essential nutrients in their most bioactive forms, making it a smart choice for those looking to support their bone wellness naturally.
🌿 Plant-Based Algae Calcium
🦴 Complete Bone Nutrition
⚖️ Balanced & Safe for Daily Use
✔ Gentle on Digestion
Key Features of Algae Calcium:
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Sourced from Lithothamnion calcareum and superpositium species, a mineral-rich red marine algae.
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Offers superior absorption and bioavailability compared to rock-based calcium and laboratory chemical calcium.
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Vegan, non-GMO, allergen-free, and sustainably harvested from clean waters.
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Minimizes digestive discomfort and supports healthy bone and joint function.
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Imported primarily from North Atlantic regions like Iceland and Ireland, ensuring purity and quality.
By choosing algae calcium, you embrace a holistic, eco-friendly approach to bone health rooted in centuries-old marine wisdom and supported by today’s nutritional science.
Algae Calcium Benefit: Full Spectrum Advantage
72
Bone Matrix Minerals
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Sourced from Lithothamnion calcareum and superpositium species, a mineral-rich red marine algae naturally contains over 72 trace minerals, which mimics the composition of human bones enhancing overall mineral intake for bone matrix.
By choosing algae calcium, you embrace a holistic, eco-friendly approach to bone health rooted in centuries-old marine wisdom and supported by today’s nutritional science.
Old Standard
New Standard
Source
Nature
Structure
Processing
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Limestone / Lab Chemicals
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Rock /Chemicals based Minerals
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Solid, crystalline blocks
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Chemically treated rock dust
Lithothamnion calcareum / Superpositium
Food-based vegetable
Porous honeycomb (Bio-Mimetic)
USDA Certified Raw, Pre-digested by plant
The Origin Story: Geology Vs Biology
Not All Calcium are created Equal
Why Choose Algae Calcium vs Other Calcium Forms
Algae Calcium is sourced from marine algae and provides calcium in a food-based mineral matrix similar to human bone. Unlike conventional calcium derived from limestone or laboratory chemicals, algae calcium is naturally bioavailable and well tolerated, making it suitable for daily use.
This natural structure allows the body to absorb and utilize calcium more efficiently, without placing unnecessary stress on digestion.
Zyrocal does what other Calcium supplements can’t "Stop's bone loss and Increase bone density"
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Clinically Aligned Mineral Forms
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Suitable for Long-Term Use
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Doctor's Approved
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No Excess Calcium Load
Science behind Algae calcium
The Absorption myth
Why High Elemental calcium is Misleading
So as to understand elemental calcium take example of calcium carbonate - Calcium ion is having Valency of Ca** where 1 single ion is unstable to make it stable two ions 1 of elemental carbon & 1 of elemental oxygen is added to make it stable, when you consume they break from each other & you get pure calcium known as Elemental calcium refer. EC
Calcium Carbonate-( EC 40 % ) [1] Derived from Limestone, chalk powder, Results low absorption / Renal calculi* / GI disturbance / Constipation
Calcium Citrate-( EC 21 % ) Derived from reacting calcium compound with citric acid Results low absorption & rock derived
Calcium Ascorbate-( EC 10 % ) Derived from reacting calcium compound with ascorbic acid. Results very low elemental calcium, low absorption as rock derived calcium compound.
Plant Based Algae Calcium-( EC 30 % ) Derived from plants. Like Red marine algae ( Lithothamnion calcareum Superpositium ) Results better absorbed calcium, Very less chances of GI disturbance, Renal calculi or constipation.
Its your Right to know what you are putting in your body, Market is flooded with bold claims about calcium Supplements.
We say don't trust anyone including us.
But have trust what studies* says, what reputed researchers says. Review each scientific study before taking your decision !
Calcium Carbonate
Calcium Citrate
Calcium Ascorbate
Algae Calcium
40% Elemental Calcium
21% Elemental Calcium
10% Elemental Calcium
30% Elemental Calcium
Chemical compound, Not well absorbed
Synthetically Derived, Not well absorbed
Plant-Based structure, Gentle, No risk of Renal Calculi Safe for long term
Required Stomach acid to digest, Causes Gas, Bloating, Renal Calculi
Calcium Alone is not Enough
Vitamin D3
(Vitashine)
Magnesium & Zinc
Algae Calcium
The Guardians: Joints to Bone
Votamin K2
(MK-7)
The Building Block
The Absorber: Gut to Blood
The Navigator: Blood to Bone
Ca
The Building Block
Algae Calcium 500mg
X
The Absorber
Helps in Ca Absorption
Intestine to Blood
D3
Ca reaches to Bones without accumulating to arteries and joints (Pseudo gout)
The Navigator
Helps in Ca Transportation
Blood to Joint & Bones
K2
Prevent Ca accumulation in Joints
Joints to Bones
Provide Mineral matrix to stimulate Osteoblastogenesis
The Guardians
Mg
Zn
The Generator
World's 1st scientifically proven supplement as per "latest Journals & Study" for Bone formation with Guarantee Program (Refer FAQ 1)
We didn't say our Zyrocal Tablets increases bone density we prove it by not 1 or 2 but more than 6 clinical studies of worlds top scientific Journals, Read the studies, check our composition view verified reviews anywhere from ( Amazon, flipkart, 1mg etc ) than have trust that Our algae calcium supplement is not just a calcium supplement its a complete bone food with each aspects covered so as to not only support bone health but also improve Bone density & overcome Osteoporosis within said timeline.
Zyrocal
Misconception about Calcium
It goes to bones Directly
Why Algae Calcium?
Journal of American Nutrition
Study 1 - Changes in total body bone mineral density following a common bone health plan with two versions of a unique bone health supplement
Study 2 - A 7-Year Longitudinal Trial of the Safety and Efficacy of a Vitamin/Mineral Enhanced Plant-Sourced Calcium Supplement
Study 3 - Preservation of bone structure and function by Lithothamnion sp. – derived minerals
Study 4 - Absorption of Active Absorbable Algae Calcium and Calcium Carbonate Measured by a Dual Stable-Isotope Method
British Medical Journal-Open Heart
Why Magnesium Citrate 2:1 Ratio (385 mg) ?
Decreased magnesium status may mediate the increased cardiovascular risk associated with calcium supplementation
As per BMJ ( British Medical Journal-Open Heart) it's always advice to take calcium to magnesium in ratio of 2:1 (Overall diet) so as to prevent Cardiovascular issues.
People (especially those consuming a relatively refined diet) who wish to supplement with calcium might be well advised to take a supplement that also includes highly bioavailable magnesium, targeting a 2:1 calcium to magnesium ratio in the overall diet.
Magnesium 385 mg ensures Calcium goes only to outer lining of bones Not to Joints - Prevent CPDD
Magnesium disorders can cause calcium pyrophosphate deposition disease: A case report and literature review
Calcium pyrophosphate deposition (CPPD) disease, also known as pseudogout, is one of the most common forms of inflammatory arthritis. A variety of comorbidities and metabolic conditions have been recognized to predispose to CPPD, especially in younger patients. CPPD disease associated with hypomagnesemia or in long term calcium supplementation without appropriate magnesium levels in supplements.
Key Findings on How Calcium & Magnesium Interact
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Magnesium depletion can occur with high calcium intake
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When calcium intake is too high, it may reduce magnesium absorption. Magnesium plays a critical role in regulating blood vessel tone and maintaining healthy heart rhythm.
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Low magnesium may contribute to vascular damage
Insufficient magnesium levels can increase the risk of calcium depositing in blood vessels, the heart, and even the kidneys — a process known as calcification. -
Imbalance affects cellular function
When magnesium levels drop, intracellular calcium can rise. This imbalance may trigger inflammation, increase oxidative stress, and elevate overall cardiovascular risk. -
Maintaining the right calcium-to-magnesium ratio matters
Research suggests that keeping a balanced dietary ratio — commonly around 2:1 (calcium to magnesium) — is important. Supplementation should ideally include enough bioavailable magnesium to offset higher calcium intake.
Important Considerations
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It’s advisable to evaluate overall dietary magnesium intake before starting calcium supplementation.
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If supplementing with calcium, pairing it with well-absorbed magnesium may help reduce potential cardiovascular risks.
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Low magnesium levels have been specifically associated with coronary artery calcification (CAC), a known marker of heart disease risk
Choose your Algae Calcium Supplement
Bone Health & Bone Support
Osteopenia
Tab Zyrocal
Algae Calcium 500 mg (EL)
(72 Trace minerals of Algae Calcium)
Vitamin D3 600 i.u (Vitashine D3)
Vitamin K2 as MK-7 45 mcg
Zinc Sulphate 17 mg (EL)
Magnesium Citrate 385 mg (EL)
Bone & Joint Repair
Osteoporosis
Frequently Asked Questions About Algae Calcium
Ensures strong bones for entire life with our guarantee program. Start by taking Zyrocal Tablets and Periosteum K2 Soft gels for at least six months. Schedule a DEXA scan to measure your bone density before starting and another scan after six months at the same Dexa Machine, If there's no improvement in T- score we'll refund for your entire purchases.
Follow these steps:
1. Get a DEXA scan before starting Products to set a baseline.
2. Take Zyrocal or Periosteum K2 as directed for six months.
3. Get a follow-up scan*, If your bone density hasn't increased, we'll refund your money back.
Remember to get your scans at the same hospital and ideally on the same machine for accurate comparisons.
Algae calcium is a plant-based calcium sourced from red marine algae. Unlike traditional calcium carbonate or citrate, algae calcium contains naturally occurring 72 trace minerals that support better absorption and bone utilization, making it a more complete and gentle option for daily bone health with very fever side effects
Algae calcium is derived from kiwi sized South American marine algae. This Algae is Farmed, Dried & Powdered without any Heating or additive usages.
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Algae Calcium is world’s only USDA certified raw calcium powder having certified Purity ,Stability and Sustainability
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Algae Calcium is having Non-GMO, Gluten-free, Soy-Free, Dairy-Free and Kosher Certification
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Zyrocal and Periosteum K2 contains algae calcium which is in “PRE-DIGESTED” form ensuring to absorbe it more readily if compared with rock or chemical calcium that offers lots of side effects
Making Zyrocal & Periosteum K2 best Calcium supplement & Osteoporosis Treatment
The Red Algae (Lithothamnion - Superpositium) present in Zyrocal tablets and Periosteum K2 also contains all 12 essential bone health supporting minerals like Zinc, Vanadium, Potassium, Silicon, Selenium, Nickel, Boron, Copper, Magnesium, Manganese,
Strontium, Phosphorus along with our added fortification of Vitamin D3,Vitamin k2-7 and Cissus Quadrangularis in Periosteum K2 and +Magnesium & Zinc in Zyrocal Tablets so as to ensure Zyrocal & Periosteum K2 as best Calcium Supplement for healthy bones and Osteoporosis Treatment.
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Yes. Algae calcium is considered highly bioavailable, especially when combined with Vitamin D3 Vitamin K2, and Magnesium which help direct calcium to the bones instead of soft tissues or joints improving overall absorption and effectiveness.
Yes. Being plant-based and naturally derived, algae calcium is easier on the stomach and less likely to cause bloating, constipation & Renal calculi compared to conventional calcium supplements.
This supplement is ideal for:
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Adults concerned about bone density
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Women and men above 30 years
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People with low dietary calcium intake
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Individuals looking for a plant-based calcium alternative
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Those sensitive to traditional calcium supplements
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Vitamin D3 helps the body absorb calcium from the gut to circulation
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Vitamin K2 ensures calcium is deposited into bones and teeth rather than arteries and transport absorbed calcium towards bone.
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Now the role of Magnesium citrate comes where Magnesium ensures calcium will go to outer lining of bones instead of joints.
Together, D3 K2 & Magnesium maximize the benefits of algae calcium for long-term bone health.
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A Study "Published in- Nutrients" 2013, 5, 3022-3033
Magnesium Deficiency leads to Osteoporosis directly by acting on Crystal formation & on bone cells and indirectly by impacting on the secretion & activity of PTH ( Parathyroid hormones )
A Study “Published in-European Journal of Rheumatol"-Mar 2018
“Magnesium Disorder Can cause calcium Pyrophosphate Deposition disease also known as Calcification of joints, Pseudo-gout ,CPDD or inflammatory arthritis”
This Study shows that Hypomagnesemia is a cause of CPPD disease. Magnesium levels should be measured as part of diagnostic work-up of CPPD disease, especially in younger patients, Also if Calcium alone Is taken without Magnesium it can cause deposition of calcium in Joints leading to Stiffness, Pain and reduce joint's flexibility.
A Study Published in “British Medical Journal” –July 2017
States that “Decreased Magnesium status may mediate increased Cardiovascular Risk associated with Calcium Supplementation”
This study shows that Calcium supplement without highly bio-sorbed magnesium can cause Cardiovascular Disease. Peoples who wish to supplement with calcium were well advised to take Calcium supplementation that also include highly bioavailable magnesium in a calcium to Magnesium ratio of 1:1
It depends upon your bone density or as suggested by your healthcare professional However for better results it can be taken as 1 or 2 tablets in a day with meal along with 100ml water
When taken within recommended dosages, algae calcium with D3, K2, magnesium, and zinc is considered safe for long-term daily use as it is not rock or chemical its plant based calcium. Always consult a healthcare provider if you have medical conditions or are taking other medications.
Unlike traditional, rock-derived or chemical sourced calcium supplements, Zyrocal has no adverse side effects such as kidney stones or arterial calcification. Zyrocal is a natural, plant-sourced calcium that is easy for your body to absorb. It’s similar to calcium you get from eating vegetables such as broccoli, kale and peas. Some studies have shown that calcium from food sources does not increase soft tissue calcification because foods that naturally contain calcium also supply other minerals, which helps transfer the calcium directly into your bones rather than soft tissues like arteries, kidneys and eyes. Additional magnesium, vitamin K2 Vitamin D3 and Zinc are added into Zyrocal to optimize absorption and transport to the bone rather than soft tissues. All these factors translate to efficient absorption and placement into bone tissue. Zyrocal is also much safer for you because it is more effective at a lower dose. At 500 mg per day of calcium, Zyrocal is increasing bone density in adults. Compare that to regular calcium supplements that have been studied at 1200 mg per day – and only slow bone loss
Absolutely! “Zyrocal is a unique bone health supplement,” Says medical expert. Its ability to increase bone density was confirmed by 3 clinical studies. And that’s why Zyrocal is supported by thousands of medical professionals.
if I have trouble swallowing pills. How big are the Tablets? Is it OK to break the tablets and mix it with water?
Zyrocal Tablets are ¾” long and easy to swallow, If you do have trouble swallowing Zyrocal Tablet, you can break the tablet in 2 half Which can be dissolved in water for easily drinking as Zyrocal Tablet is having self disintegration technology which in water will dissolves easily & forms Tasteless & smell less solution.