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NOW Supplements Magnesium & Calcium
SCIENTIFIC SCORE
Possibly Effective
Based on 35 Researches
7.8
USERS' SCORE
Good
Based on 5 Reviews
8.6
Supplement Facts
Serving Size: 3 Tablets
Amount Per Serving
%DV
Vitamin D-3 (as Cholecalciferol)
25 mcg (1,000 IU)
125%
Calcium (from Aquamin® TG Seaweed Derived Minerals and Calcium Citrate)
400 mg
31%
Magnesium (from Magnesium Oxide, Magnesium Glycinate, Magnesium Taurinate, Magnesium Citrate and Aquamin® TG Seaweed Derived Minerals)
800 mg
190%
Zinc (from L-OptiZinc® Monomethionine)
15 mg
136%

Top Medical Research Studies

9
Magnesium's role in osteoporosis therapy
Mg-ZIF nanozyme regulates the switch between osteogenic and lipogenic differentiation in BMSCs via lipid metabolism.
High relevance to magnesium's efficacy
We explored the effects of a special material called magnesium-based zeolitic imidazolate frameworks, or Mg-ZIF, on osteoporosis. This study aimed to find a way to tackle osteoporosis by reducing reactive oxygen species (ROS)—harmful molecules that affect our bone health.

Our findings revealed that Mg-ZIF is effective at scavenging ROS, which helps boost the bone-forming ability of bone mesenchymal stem cells (BMSCs). By promoting osteogenic differentiation, Mg-ZIF supports the formation of new bone while simultaneously discouraging the development of fat cells from BMSCs, a process known as lipogenic differentiation.

In our in vivo experiments, we confirmed that administering Mg-ZIF could successfully lower ROS levels and mitigate the effects of osteoporosis. On a deeper level, the mechanism behind this involves Mg-ZIF enhancing BMSC differentiation into bone-forming cells by upregulating specific lipid metabolic pathways.

Overall, we believe that Mg-ZIF holds promise as a therapeutic approach for osteoporosis. By addressing the oxidative stress in the bone marrow environment, it opens a new door for potential treatments targeting this common bone disease.
Read More
9
Magnesium enhances osteoporosis treatment
Anti-osteoporosis properties of phosphorylated collagen peptide-magnesium chelates in osteoblast MC3T3-E1 cells and ovariectomized mice.
Significant focus on magnesium's role
In our exploration of osteoporosis treatment, we focused on the effects of magnesium, particularly when combined with phosphorylated collagen peptide-magnesium chelates. Our study utilized osteoblast MC3T3-E1 cells and incorporated ovariectomized mice to simulate postmenopausal osteoporosis, which allowed us to see how magnesium might help in strengthening bones.

We observed that magnesium plays a vital role in bone health, especially in the context of osteoporosis. The results indicated that the combination treatment could enhance bone formation and improve overall bone density in our models. This suggests that magnesium, alongside other compounds, may offer a promising approach to managing osteoporosis.

However, it's important to note that while we found positive effects, the detailed mechanisms of how magnesium works in this specific treatment remain complex and may involve interactions with other components. Further research is needed to fully understand its efficacy and the best ways to integrate magnesium into osteoporosis treatment strategies.
Read More
9
Nanopowder eggshells improve bone health
Dietary Effects of Nanopowder Eggshells on Mineral Contents, Bone Turnover Biomarkers, and Regulators of Bone Resorption in Healthy Rats and Ovariectomy-Induced Osteoporosis Rat Model.
Relevant for osteoporosis research
We examined how nanopowder eggshells (NPES) could influence bone health in both healthy and ovariectomy-induced osteoporosis rats.

In our research, we found that NPES treatment significantly enhanced indicators of bone formation, like calcium and osteocalcin, particularly in healthy rats.

Additionally, in the ovariectomized group, NPES treatment helped improve levels of vital nutrients and reduced bone resorption.

Overall, our findings suggest that NPES may play a beneficial role in bettering bone health in osteoporosis models.
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Most Useful Reviews

10
Highly effective
This supplement is very effective for treating osteoporosis.
Read More
8.3
Improved well-being
I took this for osteoporosis, consuming a double dose. After three months, my calcium and vitamin D levels improved significantly. Overall, my sleep quality enhanced, leg discomfort decreased, I felt calmer, and my general well-being improved. The vitamins are easily absorbed, and the large packaging helps address shortages.
Read More
8.8
Brain and bone support
I take 3 tablets each night to support my brain and bones. With hypothyroidism, my doctor warned that my medication might lead to osteoporosis, so I find maintaining my bone health crucial. This routine has aided in my weight loss and cognitive function.
Read More

Medical Researches

SCIENTIFIC SCORE
Possibly Effective
Based on 35 Researches
7.8
  • All Researches
9
Calcium complex enhances bone health
A calcium-loaded complex based on Antarctic krill protein and supplemented with pectin promotes calcium absorption and bone health.
Study shows complex enhances calcium
Our research explored the effects of a new calcium-loaded complex, made from Antarctic krill protein and enriched with pectin, on calcium absorption and bone health in mice with calcium deficiency. We created a model that simulated calcium deficiency, which is a significant concern as it can contribute to osteoporosis.

We observed that chronic calcium deprivation led to decreased calcium absorption and deterioration of bone structure. However, the P + Ca + HMP complex significantly improved calcium retention and increased the strength of the femur, indicating a positive impact on bone health.

Additionally, this complex improved the structure of the trabecular network, which is essential for maintaining strong bones. The presence of beneficial bacteria in the gut also rose after the intervention, and these were linked to better calcium absorption and bone synthesis. Overall, these findings point to the potential of the P + Ca + HMP complex as an effective calcium supplement that could help prevent calcium deficiency and thus support bone health.
Read More
9
Combination therapy for osteoporosis
Effect of salmon calcitonin combined with calcium antagonist on blood calcium and phosphorus ion concentration in osteoporosis rats.
Relevant combination treatment exploration.
We explored how salmon calcitonin (sCT) works in tandem with calcium antagonists—specifically verapamil, nifedipine, and diltiazem—to influence blood calcium and phosphorus levels in female rats with osteoporosis post-ovarian removal.

The study involved a systematic approach where we administered these combinations to different groups of osteoporotic rats and measured their blood levels. Our findings revealed that combining sCT with nifedipine had a particularly strong effect in lowering both calcium and phosphorus in the blood, outperforming the use of sCT alone.

Our analysis indicated that while sCT with nifedipine was most effective, the combinations with verapamil and diltiazem also showed beneficial effects, albeit to a lesser extent. These insights provide valuable information on how combination therapies might be targeted for treating postmenopausal osteoporosis, potentially paving the way for more effective treatment options in human patients.
Read More
9
Magnesium's role in osteoporosis
Relationship between multi-nutrient intake and bone loss and osteoporosis in U.S. adults: Findings from NHANES.
Moderate relevance to magnesium impact
We examined how dietary intake of magnesium, along with potassium and sodium, influences bone health, specifically focusing on osteoporosis and bone mineral density (BMD) in adults across the U.S. Our analysis was based on data from the National Health and Nutrition Examination Surveys, which spanned from 2005 to 2018, involving over 10,000 participants.

The findings revealed a positive association between higher dietary intake of potassium, magnesium, and sodium and improved BMD of the femur. This means that those who consumed more of these nutrients tended to have stronger bones. Additionally, we observed that a higher intake of these minerals was linked to a lower occurrence of osteopenia and osteoporosis.

Our study highlights how magnesium, when part of a broader nutrient intake that includes potassium and sodium, could play a significant role in maintaining bone health. While our research points to a beneficial relationship, more targeted studies are needed to definitively isolate the effects of magnesium alone on osteoporosis. Overall, this reinforces the importance of a balanced diet for bone health.
Read More
9
Magnesium improves osteoporotic bone repair
An injectable magnesium-loaded hydrogel releases hydrogen to promote osteoporotic bone repair via ROS scavenging and immunomodulation.
Strong relevance to magnesium effects
We delved into the use of a unique injectable hydrogel loaded with magnesium to address the challenges of repairing osteoporotic bone defects. The study aimed to understand how this magnesium-infused hydrogel could combat the excessive reactive oxygen species (ROS) that hinder bone repair. With impressive qualities such as excellent injectability and adaptability, the hydrogel can be introduced into irregular bone areas without the need for major surgery.

Once injected, the hydrogel not only transforms into a supportive scaffold but also begins to release hydrogen and magnesium ions. This release is key in reducing harmful intracellular ROS and guiding the immune response favorably by promoting macrophage polarization. We observed that this gel suppressed the formation of osteoclasts, the cells responsible for bone resorption, while simultaneously encouraging the growth of new bone cells.

Animal experiments further illuminated the effectiveness of the magnesium-loaded hydrogel, showing a remarkable ability to enhance the repair of bone defects by controlling inflammation and supporting bone formation. Overall, our findings shine a light on the potential of magnesium-based hydrogels as promising solutions for those dealing with osteoporosis-related bone damage.
Read More
9
Magnesium's role in osteoporosis therapy
Mg-ZIF nanozyme regulates the switch between osteogenic and lipogenic differentiation in BMSCs via lipid metabolism.
High relevance to magnesium's efficacy
We explored the effects of a special material called magnesium-based zeolitic imidazolate frameworks, or Mg-ZIF, on osteoporosis. This study aimed to find a way to tackle osteoporosis by reducing reactive oxygen species (ROS)—harmful molecules that affect our bone health.

Our findings revealed that Mg-ZIF is effective at scavenging ROS, which helps boost the bone-forming ability of bone mesenchymal stem cells (BMSCs). By promoting osteogenic differentiation, Mg-ZIF supports the formation of new bone while simultaneously discouraging the development of fat cells from BMSCs, a process known as lipogenic differentiation.

In our in vivo experiments, we confirmed that administering Mg-ZIF could successfully lower ROS levels and mitigate the effects of osteoporosis. On a deeper level, the mechanism behind this involves Mg-ZIF enhancing BMSC differentiation into bone-forming cells by upregulating specific lipid metabolic pathways.

Overall, we believe that Mg-ZIF holds promise as a therapeutic approach for osteoporosis. By addressing the oxidative stress in the bone marrow environment, it opens a new door for potential treatments targeting this common bone disease.
Read More

User Reviews

USERS' SCORE
Good
Based on 5 Reviews
8.6
  • All Reviews
  • Positive Reviews
  • Negative Reviews
10
Highly effective
This supplement is very effective for treating osteoporosis.
8.3
Improved well-being
I took this for osteoporosis, consuming a double dose. After three months, my calcium and vitamin D levels improved significantly. Overall, my sleep quality enhanced, leg discomfort decreased, I felt calmer, and my general well-being improved. The vitamins are easily absorbed, and the large packaging helps address shortages.
Read More
8.8
Brain and bone support
I take 3 tablets each night to support my brain and bones. With hypothyroidism, my doctor warned that my medication might lead to osteoporosis, so I find maintaining my bone health crucial. This routine has aided in my weight loss and cognitive function.
9
Convenient mineral intake
This supplement provides a great mix of minerals in one bottle, ideal for pregnant women and the elderly for preventing deficiencies and osteoporosis. I recommend consulting a doctor first to ensure suitability. Wishing everyone good health!
8.8
Recommended for women
It’s recommended for the bone health of middle-aged women. Regular intake of magnesium and calcium has effectively reduced osteoporosis.
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