Overview

SCIENTIFIC SCORE
Possibly Effective
Based on 24 Researches
7.9
USERS' SCORE
Medium or Average
Based on 6 Reviews
6
Supplement Facts
Serving Size: 2 Veg Capsules
Amount Per Serving
%DV
Vitamin D (as Ergocalciferol)
10 mcg (400 IU)
50%
Calcium (from Fossilized Coral Calcium)
500 mg
38%
Magnesium (from Magnesium Oxide, Citrate and Aspartate)
250 mg
60%
Fossilized Coral Calcium
1.43 g (1,430 mg)

Top Medical Research Studies

9.5
Vitamin D3 aids autoimmune thyroiditis
We observed that vitamin D3 supplementation may play a significant role in managing autoimmune thyroiditis, a condition often marked by thyroid inflammation. In this study, researchers induced autoimmune thyroiditis in female mice and administered vitamin D3 to evaluate its effects on the disease.

After eight weeks of treatment, the results showed a notable reduction in thyroid damage and lower levels of thyroid autoantibodies in the mice receiving vitamin D3. Specifically, the vitamin appeared to inhibit the activity of certain inflammatory immune cells, which are typically elevated in autoimmune conditions. At the same time, it seemed to support the activity of regulatory immune cells that help keep inflammation in check.

This study highlights the potential of vitamin D3 as a therapeutic option to mitigate the effects of autoimmune thyroiditis, suggesting that it could help balance the immune response in affected individuals. As researchers continue to delve into the role of vitamin D in autoimmune disorders, findings like these support the notion that maintaining adequate vitamin D levels might be crucial for immune health.
Read More
9
Magnesium shows promise for RA treatment
We analyzed how magnesium supplementation affects the biology of rheumatoid arthritis (RA) in mice. By feeding one group a diet rich in magnesium and another a standard diet over 15 days, we examined changes in their tissue responses.

Our findings revealed that increased magnesium intake may alter gene expression linked to oxidative stress and cellular aging, processes that are significant in RA development. This suggests that magnesium could be beneficial for managing RA and potentially other autoimmune disorders by reducing disease severity and joint damage.
Read More
9
Magnesium may reduce lupus severity
We investigated how magnesium (Mg) affects the severity of autoimmune lupus in mice. By feeding MRL/lpr female mice a standard or high magnesium diet for nine weeks, we measured impacts on skin lesions and pathogenic autoantibodies.

The results were encouraging: mice on the high magnesium diet showed significant reductions in skin issues and harmful anti-dsDNA antibodies. Plus, their immune systems displayed more regulatory T cells. However, there were no notable differences in other measured health indicators.

Overall, magnesium supplementation may be a cost-effective and safe complementary treatment for lupus.
Read More

Most Useful Reviews

0
No effect observed
115 people found this helpful
I do not recommend this product; it feels like a dummy. I had read claims about some dietary supplements from this company not being effective, which I found out the hard way. I ordered it for my 70+ year-old mother, but after months of use, the functional diagnostics showed zero effect. Switching to Coral Calcium from another brand improved her condition dramatically. I learned this brand's lower prices may suggest inferior products.
Read More
9
Easily absorbed calcium
3 people found this helpful
Excellent calcium! I have been taking it for quite a while, as I suffer from osteoporosis and spinal issues. This specific form is the easiest for my body to absorb, thanks to the natural minerals and calcium sourced from corals. The combination of magnesium and calcium is quite beneficial.
Read More
6
Improved health
I ordered this calcium for bone health due to its quality and ingredients. I consistently take it, believing it will enhance my bone health, especially as a combination with magnesium and vitamin D is suggested.
Read More

Medical Researches

SCIENTIFIC SCORE
Possibly Effective
Based on 24 Researches
7.9
  • All Researches
9.5
Vitamin D3 aids autoimmune thyroiditis
We observed that vitamin D3 supplementation may play a significant role in managing autoimmune thyroiditis, a condition often marked by thyroid inflammation. In this study, researchers induced autoimmune thyroiditis in female mice and administered vitamin D3 to evaluate its effects on the disease.

After eight weeks of treatment, the results showed a notable reduction in thyroid damage and lower levels of thyroid autoantibodies in the mice receiving vitamin D3. Specifically, the vitamin appeared to inhibit the activity of certain inflammatory immune cells, which are typically elevated in autoimmune conditions. At the same time, it seemed to support the activity of regulatory immune cells that help keep inflammation in check.

This study highlights the potential of vitamin D3 as a therapeutic option to mitigate the effects of autoimmune thyroiditis, suggesting that it could help balance the immune response in affected individuals. As researchers continue to delve into the role of vitamin D in autoimmune disorders, findings like these support the notion that maintaining adequate vitamin D levels might be crucial for immune health.
Read More
9.5
We investigated how calcium, specifically in the form of two-dimensional layered calcium disilicide nanoparticles (CSNs), can play a role in treating rheumatoid arthritis (RA). Unlike typical RA treatments that primarily focus on reducing inflammation, we observed that CSNs have multifunctional properties that can address the inflammatory aspect while also promoting bone health and repair.

Through a process called hydrolysis, CSNs release several beneficial components, including hydrogen gas, calcium hydroxide, and silica. Each of these components contributes uniquely: hydrogen helps reduce harmful radicals and aids in adjusting surrounding immune cell behavior; calcium hydroxide counters the acidity that can worsen bone loss; and dissolved calcium works with phosphates to encourage bone formation.

We found that the application of CSNs had promising results in tests conducted on both mouse and rabbit models of arthritis. This approach not only targets inflammation but also fosters a healthier bone environment, showing potential as a strong therapeutic option for those living with RA. With high biocompatibility and prospects for clinical transformation, this research suggests a new direction in handling autoimmune disorders using calcium-based therapies.
Read More
9
Magnesium shows promise for RA treatment
We analyzed how magnesium supplementation affects the biology of rheumatoid arthritis (RA) in mice. By feeding one group a diet rich in magnesium and another a standard diet over 15 days, we examined changes in their tissue responses.

Our findings revealed that increased magnesium intake may alter gene expression linked to oxidative stress and cellular aging, processes that are significant in RA development. This suggests that magnesium could be beneficial for managing RA and potentially other autoimmune disorders by reducing disease severity and joint damage.
Read More
9
Magnesium may reduce lupus severity
We investigated how magnesium (Mg) affects the severity of autoimmune lupus in mice. By feeding MRL/lpr female mice a standard or high magnesium diet for nine weeks, we measured impacts on skin lesions and pathogenic autoantibodies.

The results were encouraging: mice on the high magnesium diet showed significant reductions in skin issues and harmful anti-dsDNA antibodies. Plus, their immune systems displayed more regulatory T cells. However, there were no notable differences in other measured health indicators.

Overall, magnesium supplementation may be a cost-effective and safe complementary treatment for lupus.
Read More
9
Magnesium-based therapy for RA
We explored the potential of a new magnesium-aluminum layered double hydroxide combined with nano-ceria in treating rheumatoid arthritis (RA). This innovative therapy targets the unhealthy immune environment and the harmful buildup of hydrogen ions associated with RA. By neutralizing excess acidity, we observed improved immune responses, encouraging the body to heal damaged bones. This approach showed promising results in mice models, indicating it may be a viable future treatment for managing RA effectively.
Read More

User Reviews

USERS' SCORE
Medium or Average
Based on 6 Reviews
6
  • All Reviews
  • Positive Reviews
  • Negative Reviews
0
No effect observed
115 people found this helpful
I do not recommend this product; it feels like a dummy. I had read claims about some dietary supplements from this company not being effective, which I found out the hard way. I ordered it for my 70+ year-old mother, but after months of use, the functional diagnostics showed zero effect. Switching to Coral Calcium from another brand improved her condition dramatically. I learned this brand's lower prices may suggest inferior products.
Read More
9
Easily absorbed calcium
3 people found this helpful
Excellent calcium! I have been taking it for quite a while, as I suffer from osteoporosis and spinal issues. This specific form is the easiest for my body to absorb, thanks to the natural minerals and calcium sourced from corals. The combination of magnesium and calcium is quite beneficial.
Read More
6
Improved health
I ordered this calcium for bone health due to its quality and ingredients. I consistently take it, believing it will enhance my bone health, especially as a combination with magnesium and vitamin D is suggested.
Read More
9
Strong nails improvement
7 people found this helpful
Nice Super Calcium; I bought it for my mother who suffers from brittle nails. Within a month, her nails changed beyond recognition, growing much stronger. We’ve never seen such a quick effect from a calcium supplement before, and the improvement lasts. I will definitely order again and recommend it to everyone.
Read More
7.5
Long-term usage benefits
1 people found this helpful
I ordered this for my grandmother based on an orthopedic doctor's recommendation. It really works, especially with long-term use! Coupled with other medications, we see positive results. The price is very reasonable, and the composition is excellent! Our entire family appreciates this brand.
Read More

Frequently Asked Questions

9
Strong nails improvement
7 people found this helpful
Nice Super Calcium; I bought it for my mother who suffers from brittle nails. Within a month, her nails changed beyond recognition, growing much stronger. We’ve never seen such a quick effect from a calcium supplement before, and the improvement lasts. I will definitely order again and recommend it to everyone.
7.5
Long-term usage benefits
1 people found this helpful
I ordered this for my grandmother based on an orthopedic doctor's recommendation. It really works, especially with long-term use! Coupled with other medications, we see positive results. The price is very reasonable, and the composition is excellent! Our entire family appreciates this brand.
0
No effect observed
115 people found this helpful
I do not recommend this product; it feels like a dummy. I had read claims about some dietary supplements from this company not being effective, which I found out the hard way. I ordered it for my 70+ year-old mother, but after months of use, the functional diagnostics showed zero effect. Switching to Coral Calcium from another brand improved her condition dramatically. I learned this brand's lower prices may suggest inferior products.
9
Easily absorbed calcium
3 people found this helpful
Excellent calcium! I have been taking it for quite a while, as I suffer from osteoporosis and spinal issues. This specific form is the easiest for my body to absorb, thanks to the natural minerals and calcium sourced from corals. The combination of magnesium and calcium is quite beneficial.
6
Improved health
I ordered this calcium for bone health due to its quality and ingredients. I consistently take it, believing it will enhance my bone health, especially as a combination with magnesium and vitamin D is suggested.
9.5
Vitamin D3 aids autoimmune thyroiditis
We observed that vitamin D3 supplementation may play a significant role in managing autoimmune thyroiditis, a condition often marked by thyroid inflammation. In this study, researchers induced autoimmune thyroiditis in female mice and administered vitamin D3 to evaluate its effects on the disease.

After eight weeks of treatment, the results showed a notable reduction in thyroid damage and lower levels of thyroid autoantibodies in the mice receiving vitamin D3. Specifically, the vitamin appeared to inhibit the activity of certain inflammatory immune cells, which are typically elevated in autoimmune conditions. At the same time, it seemed to support the activity of regulatory immune cells that help keep inflammation in check.

This study highlights the potential of vitamin D3 as a therapeutic option to mitigate the effects of autoimmune thyroiditis, suggesting that it could help balance the immune response in affected individuals. As researchers continue to delve into the role of vitamin D in autoimmune disorders, findings like these support the notion that maintaining adequate vitamin D levels might be crucial for immune health.
8
Vitamin D’s therapeutic potential in RA
We explored the significant role of vitamin D in managing rheumatoid arthritis (RA), a chronic autoimmune disorder characterized by joint inflammation and damage. The evidence points to a common deficiency in vitamin D among RA patients, which can be linked to increased severity of the disease.

Our observations suggest that vitamin D may help modulate the immune response and reduce inflammation. There has been promising data showing that vitamin D supplementation can lead to improvements in disease activity, as well as a decrease in inflammatory markers among patients.

In addition to its immune-boosting properties, we recognized that managing vitamin D levels might also alleviate some of the symptoms associated with RA, such as fatigue, which can be exacerbated by deficiencies. Overall, the compelling findings underline the potential benefits of vitamin D as a therapeutic option for patients dealing with autoimmune disorders like RA.
7
Vitamin D's role in MS management
We explored how vitamin D interacts with other factors like Epstein-Barr virus (EBV) infection to influence autoimmune disorders, particularly multiple sclerosis (MS). Research shows that individuals who are deficient in vitamin D are at a greater risk of developing MS. This suggests that vitamin D could play a protective role, potentially helping to modulate the immune response in these patients.

In our observations, adequate levels of vitamin D appear to support a balanced immune system. This balance is crucial because an overactive immune response can lead to the body attacking its own tissues, as seen in MS. Additionally, studies suggest that vitamin D may enhance the effectiveness of our immune cells, which could provide some level of defense against triggering factors like EBV.

However, while the connection between low vitamin D levels and an increased risk of MS is well-recognized, there is still ongoing debate regarding the direct benefits of vitamin D supplementation in treating MS. We recognize the need for further research to clarify its effectiveness and potential as a therapeutic option.

Overall, vitamin D's interaction with the immune system offers intriguing possibilities, which we believe may lead to new approaches for managing autoimmune disorders.
We set out to discover how effective vitamin D is in treating autoimmune disorders, specifically in patients with Hashimoto's thyroiditis (HT). Our analysis involved looking at several studies examining various dietary supplements, including selenium and vitamin D, to see how they impact thyroid autoantibody levels and overall thyroid function.

Within the studies we reviewed, vitamin D did not seem to significantly reduce thyroid autoantibody levels like other supplements. In particular, we noted that treatments involving vitamin D, whether alone or in combination with other nutrients, did not show a meaningful effect on reducing thyroid peroxidase autoantibodies (TPOAb) or thyroglobulin autoantibodies (TgAb).

This lack of significant benefit suggests that while vitamin D is often included in treatment plans for autoimmune disorders, it may not play a critical role in alleviating the symptoms or autoimmunity associated with HT. Therefore, it might be wise for those seeking supplemental help to consider other options, particularly selenium, which showed more promising results.

References

  1. Vernerová L, Vokurková M, Laiferová NA, Nemec M, Špiritović M, et al. Vitamin D and its receptor in skeletal muscle are associated with muscle disease manifestation, lipid metabolism and physical fitness of patients with myositis. Arthritis Res Ther. 2025;27:48. doi:10.1186/s13075-025-03516-9
  2. Wang CM, Chen YJ, Yang BC, Yang JW, Wang W, et al. Supplementation with active vitamin D3 ameliorates experimental autoimmune thyroiditis in mice by modulating the differentiation and functionality of intrathyroidal T-cell subsets. Front Immunol. 2025;16:1528707. doi:10.3389/fimmu.2025.1528707
  3. Chen X, Zhang Y, Lin L, Chen Y, Shen X, et al. A beneficial levels of 25-hydroxyvitamin D for a decrease in thyrotropin receptor antibody (TRAB) in patients with Graves' disease: a real-world study. BMC Endocr Disord. 2025;25:14. doi:10.1186/s12902-024-01823-x
  4. Rafati A, Ramezani R, Esmaeili Gouvarchin Ghaleh H, Bahrami S, Alvanegh AG, et al. Calcitriol Treated Mesenchymal Stem Cells Modulated Immune Response in Collagen-Induced Rheumatoid Arthritis in BALB/c Mice. Transplant Proc. 2025;57:355. doi:10.1016/j.transproceed.2024.12.020
  5. Casas R, Tompa A, Åkesson K, Teixeira PF, Lindqvist A, et al. Redosing with Intralymphatic GAD-Alum in the Treatment of Type 1 Diabetes: The DIAGNODE-B Pilot Trial. Int J Mol Sci. 2025;26. doi:10.3390/ijms26010374
  6. Rasheed A, Khan G. Epstein-Barr virus, vitamin D and the immune response: connections with consequences for multiple sclerosis. Front Immunol. 2024;15:1503808. doi:10.3389/fimmu.2024.1503808
  7. Wu R, Li Y, Peng H, Yang Z, Wang Y, et al. Association Between Serum Trace Elements Level and Alopecia Areata: A Systematic Review and Meta-Analysis. J Cosmet Dermatol. 2025;24:e16740. doi:10.1111/jocd.16740
  8. Hijjawi N, Tout FS, Azaizeh B, Aljaafreh B. The role of vitamins D, B12, C, and K in modulating inflammation and disease management in rheumatoid arthritis: a comprehensive review. Clin Rheumatol. 2025;44:591. doi:10.1007/s10067-024-07285-9
  9. Peng B, Wang W, Gu Q, Wang P, Teng W, et al. Effects of different supplements on Hashimoto's thyroiditis: a systematic review and network meta-analysis. Front Endocrinol (Lausanne). 2024;15:1445878. doi:10.3389/fendo.2024.1445878
  10. Balshi A, Leuenberger G, Dempsey J, Baber U, Sloane JA. Glucagon-like peptide-1 agonist safety and efficacy in a multiple sclerosis cohort. Mult Scler Relat Disord. 2025;93:106229. doi:10.1016/j.msard.2024.106229
  11. Mourelatou NG, Kounatidis D, Jude EB, Rebelos E. Vitamin D Supplementation as a Therapeutic Strategy in Autoimmune Diabetes: Insights and Implications for LADA Management. Nutrients. 2024;16. doi:10.3390/nu16234072
  12. Huo R, Yang Y, Wei C, Huo X, Meng D, et al. Vitamin D affects antiphospholipid syndrome by regulating T cells (Review). Int J Mol Med. 2025;55. doi:10.3892/ijmm.2024.5471
  13. Kilani Y, Alsakarneh S, Madi MY, Mosquera DAG, Ferreira MN, et al. Autoimmune Hepatitis and Vitamin D Deficiency: A Nationwide Perspective. Aliment Pharmacol Ther. 2025;61:682. doi:10.1111/apt.18438
  14. Ji P, Qiu S, Huang J, Wang L, Wang Y, et al. Hydrolysis of 2D Nanosheets Reverses Rheumatoid Arthritis Through Anti-Inflammation and Osteogenesis. Adv Mater. 2025;37:e2415543. doi:10.1002/adma.202415543
  15. Toaima DN, Abdel-Maksoud KS, Atef HM, Salah NY. Magnesium, fibrinolysis and clotting interplay among children and adolescents with type 1 diabetes mellitus; potential mediators of diabetic microangiopathy. Nutr Diabetes. 2025;15:13. doi:10.1038/s41387-025-00368-9
  16. Laragione T, Harris C, Gulko PS. Magnesium Supplementation Modifies Arthritis Synovial and Splenic Transcriptomic Signatures Including Ferroptosis and Cell Senescence Biological Pathways. Nutrients. 2024;16. doi:10.3390/nu16234247
  17. Fu C, Huang L, Lian C, Yue J, Lin P, et al. Effects of long-term magnesium L-threonate supplementation on neuroinflammation, demyelination and blood-brain barrier integrity in mice with neuromyelitis optica spectrum disorder. Brain Res. 2025;1846:149234. doi:10.1016/j.brainres.2024.149234
  18. Yan Y, Yao C, Zhang B, Yang Z, Xie J, et al. Olanzapine vs. magnesium valproate vs. lamotrigine in anti-N-methyl-D-aspartic acid receptor encephalitis: a retrospective study. BMC Neurol. 2024;24:331. doi:10.1186/s12883-024-03811-z
  19. Verlato A, Laragione T, Bin S, Kim RH, Salem F, et al. Revised version with tracked changes oral Magnesium reduces levels of pathogenic autoantibodies and skin disease in murine lupus. BMC Immunol. 2024;25:58. doi:10.1186/s12865-024-00650-y
  20. Liu H, Zhang K, Xiong L. Dietary magnesium intake and rheumatoid arthritis patients' all-cause mortality: evidence from the NHANES database. J Health Popul Nutr. 2024;43:112. doi:10.1186/s41043-024-00597-1
  21. Fu H, Guo Y, Fang W, Wang J, Hu P, et al. Anti-Acidification and Immune Regulation by Nano-Ceria-Loaded Mg-Al Layered Double Hydroxide for Rheumatoid Arthritis Therapy. Adv Sci (Weinh). 2024;11:e2307094. doi:10.1002/advs.202307094
  22. Fang J, Cao T, Liu C, Wang D, Zhang H, et al. Association between magnesium, copper, and potassium intakes with risk of rheumatoid arthritis: a cross-sectional study from National Health and Nutrition Examination Survey (NHANES). BMC Public Health. 2023;23:2085. doi:10.1186/s12889-023-16906-y
  23. Laragione T, Harris C, Azizgolshani N, Beeton C, Bongers G, et al. Magnesium increases numbers of Foxp3+ Treg cells and reduces arthritis severity and joint damage in an IL-10-dependent manner mediated by the intestinal microbiome. EBioMedicine. 2023;92:104603. doi:10.1016/j.ebiom.2023.104603
  24. Li Z, Chen K, Shao Q, Lu H, Zhang X, et al. Nanoparticulate MgH ameliorates anxiety/depression-like behaviors in a mouse model of multiple sclerosis by regulating microglial polarization and oxidative stress. J Neuroinflammation. 2023;20:16. doi:10.1186/s12974-023-02696-y
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