'
SCIENTIFIC SCORE
Most Likely Effective
Based on 10 Researches
7.4
USERS' SCORE
Very Good
Based on 6 Reviews
8.9
Supplement Facts
Serving Size: 1 Softgel
Amount Per Serving
%DV
Vitamin D (as D3 Cholecalciferol)
125 mcg (5,000 IU)
625%

Top Medical Research Studies

8
Vitamin D's impact on osteoporosis
The Vitamin D-Sirt1/PGC1α Axis Regulates Bone Metabolism and Counteracts Osteoporosis.
Highly relevant to osteoporosis treatment
We aimed to understand how vitamin D influences bone health and helps combat osteoporosis, a condition that weakens bones. In our study, we used various mouse models, including those that mimic a deficiency in active vitamin D. Through a range of advanced methods, we assessed how changes in vitamin D levels affected bone structure and metabolism.

The research revealed that insufficient vitamin D led to a drop in Sirt1, a gene that plays a crucial role in maintaining bone density. This lack of Sirt1 resulted in increased bone loss. However, when we boosted Sirt1 levels in bone stem cells, we observed a reversal in bone loss. This improvement happened because higher Sirt1 levels reduced oxidative stress, slowed down aging processes in bone cells, and enhanced new bone formation while curbing bone resorption.

Additionally, our findings indicated that vitamin D directly stimulates Sirt1 expression in these stem cells, which is vital for bone health. We also explored the effects of resveratrol, a natural compound known for activating Sirt1, and found it helped alleviate osteoporosis symptoms linked to vitamin D deficiency by enhancing the relationship between Sirt1 and another protein called PGC1α, which supports bone formation and energy metabolism.

This research underscores the importance of the vitamin D-Sirt1/PGC1α axis in bone metabolism, providing insight into how vitamin D can serve as a target for osteoporosis prevention and treatment.
Read More
7
Vitamin D and osteoporosis insight
Daily or intermittent vitamin D supplementation in patients with or at risk of osteoporosis: Position statement from the GRIO.
High relevance for osteoporosis treatment
We explored the effects of vitamin D supplementation on osteoporosis, especially among individuals at risk for this condition. The Osteoporosis Research and Information Group (GRIO) highlighted the critical difference between daily and intermittent vitamin D dosing.

Current literature indicates that taking high doses of vitamin D intermittently, such as 60,000 IU a month, can actually elevate the chances of falls, fractures, and even premature death in some groups. Conversely, daily supplementation of 800-1000 IU, particularly alongside calcium, has been shown to reduce falls and non-vertebral fractures in the elderly who have a vitamin D deficiency.

Before anyone starts supplementing, it is crucial to measure their vitamin D levels to achieve a target concentration of 30 to 60 ng/mL. For those needing a quick boost in vitamin D levels—like patients showing symptoms of osteomalacia or those with critically low vitamin D—a starting loading dose followed by daily maintenance is the preferred approach. If daily options aren’t available, of course, a smaller intermittent dose can be a temporary solution until better options are accessible.
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9
Probiotic support for osteoporosis treatment
increases serum vitamin D metabolite levels and modulates intestinal flora to alleviate osteoporosis in mice.
Probiotic effects on osteoporosis explored
We explored how a specific probiotic strain, FSHHK13M1, affects vitamin D metabolism and osteoporosis in mice. Previous research pointed out that the gut microbiota plays a crucial role in vitamin D metabolism, which is especially relevant for older adults who tend to suffer from osteoporosis due to declining organ functions.

Our study demonstrated that treating the mice with FSHHK13M1 led to a significant increase in their serum levels of active vitamin D metabolites, particularly 1,25-dihydroxy vitamin D. This increase was linked to activation of important bone health pathways, helping to fortify bone structure and function.

Not only did we observe improvements in vitamin D levels, but the intervention also restored balance in the gut microbiota, which showed signs of imbalance in mice suffering from osteoporosis. The findings suggest that FSHHK13M1 could be a promising direction for improving bone health and reducing fracture risks in the elderly by enhancing vitamin D levels naturally.

Overall, this research highlights the potential of combining probiotics with vitamin D strategies for better management of osteoporosis, especially in older populations who often face challenges absorbing conventional treatments.
Read More

Most Useful Reviews

9.5
Childhood development
Vitamin D3 strengthens teeth and bones, supporting normal skeletal growth in children. It also enhances muscle strength and heart health, helping prevent illnesses like osteoporosis and rickets.
Read More
8.8
Bone health support
Jarrow Formulas Vitamin D3 is a high-potency supplement that supports bone health and the immune system. It contains cholecalciferol (D3), which is well absorbed by the body. I chose this supplement for its concentration of 125 mcg (5000 IU), ideal for treating vitamin D deficiency. After two weeks, I noticed improved energy and mood on cloudy days. It’s easy to digest, and I recommend checking vitamin D levels before starting.
Read More
8.8
Bone quality maintenance
Vitamin D3 is crucial for maintaining bone quality by aiding calcium absorption. It reduces the risk of osteoporosis and improves mood and energy levels. Without sufficient Vitamin D3, bone strength and health decline.
Read More

Medical Researches

SCIENTIFIC SCORE
Most Likely Effective
Based on 10 Researches
7.4
9
Probiotic support for osteoporosis treatment
increases serum vitamin D metabolite levels and modulates intestinal flora to alleviate osteoporosis in mice.
Probiotic effects on osteoporosis explored
We explored how a specific probiotic strain, FSHHK13M1, affects vitamin D metabolism and osteoporosis in mice. Previous research pointed out that the gut microbiota plays a crucial role in vitamin D metabolism, which is especially relevant for older adults who tend to suffer from osteoporosis due to declining organ functions.

Our study demonstrated that treating the mice with FSHHK13M1 led to a significant increase in their serum levels of active vitamin D metabolites, particularly 1,25-dihydroxy vitamin D. This increase was linked to activation of important bone health pathways, helping to fortify bone structure and function.

Not only did we observe improvements in vitamin D levels, but the intervention also restored balance in the gut microbiota, which showed signs of imbalance in mice suffering from osteoporosis. The findings suggest that FSHHK13M1 could be a promising direction for improving bone health and reducing fracture risks in the elderly by enhancing vitamin D levels naturally.

Overall, this research highlights the potential of combining probiotics with vitamin D strategies for better management of osteoporosis, especially in older populations who often face challenges absorbing conventional treatments.
Read More
8
Vitamin D aids cancer treatment outcomes
A Systematic Review of Vitamin D Supplementation in Oncology: Chance of Science or Effectiveness?
Moderate connection to osteoporosis effects
We explored the role of vitamin D (VD) supplementation in supporting cancer patients undergoing chemotherapy and radiotherapy, particularly regarding its effects on osteoporosis. The aim was to sift through scientific evidence to understand how vitamin D influences not just bone health but also alleviates the side effects of demanding cancer treatments.

Our findings indicated that adequate levels of VD are important for maintaining bone density in patients, especially those receiving preoperative chemoradiotherapy. Some studies showed that vitamin D supplementation could lessen certain severe side effects, like fatigue and nausea, often experienced during cancer treatments.

However, the evidence regarding the isolated effects of vitamin D on osteoporosis, specifically, was limited due to the varied designs of the included studies. Despite these challenges, it seems clear that vitamin D plays a valuable role in managing bone health and reducing treatment-related complications.
Read More
8
Vitamin D improves bone health
Chronically increased osteoclastogenesis in adult celiac disease patients does not hinder improvement in bone health induced by gluten-free diet: Role of vitamin D, OPG and IL-6.
Important context for osteoporosis study.
We investigated how vitamin D affects bone health, particularly focusing on individuals with celiac disease (CeD). Our study aimed to uncover the role of vitamin D alongside other key proteins in bone metabolism as patients transitioned to a gluten-free diet (GFD).

Through a careful examination, we observed notable changes in bone mineral density (BMD) among those who adhered to the GFD. Specifically, we found that patients after GFD treatment had improved serum levels of vitamin D, which correlated with healthier bone outcomes, including increased BMD and reduced markers of bone turnover.

Interestingly, even though the capacity for osteoclast formation—a type of cell responsible for bone resorption—remained elevated in these patients, their bone health still improved. This suggests that, while vitamin D plays a crucial role in bone strength, the connection between osteoclast activity and overall bone health might change with proper dietary management.

Our findings emphasized how vital vitamin D is for bone health, particularly in the context of managing celiac disease, where absorption can be compromised. Ultimately, we learned that a gluten-free lifestyle brings significant benefits for bone density, along with the supportive actions of vitamin D.
Read More
8
Vitamin D's role in fracture risk
Association Between 25-hydroxyvitamin D Status and New Vertebral Fractures Post Percutaneous Vertebral Augmentation in Patients During Postmenopause: A Retrospective Case-control Study.
Important yet limited study findings
We examined the relationship between vitamin D levels and the risk of new vertebral fractures after patients underwent a specific spine procedure called percutaneous vertebral augmentation. Our focus was on postmenopausal women aged 50 and above, who often face an increased risk of fractures due to osteoporosis.

In this retrospective study, we categorized patients into groups based on whether they experienced new osteoporotic vertebral fractures or not. Our analysis revealed that low levels of serum 25-hydroxyvitamin D are an independent risk factor for these new fractures.

This suggests that maintaining adequate vitamin D levels could be crucial for individuals recovering from this type of spinal surgery. By ensuring active vitamin D supplementation after the procedure, patients may significantly lower their chances of future osteoporotic vertebral fractures, promoting better recovery and overall health.
Read More
8
Vitamin D's impact on osteoporosis
The Vitamin D-Sirt1/PGC1α Axis Regulates Bone Metabolism and Counteracts Osteoporosis.
Highly relevant to osteoporosis treatment
We aimed to understand how vitamin D influences bone health and helps combat osteoporosis, a condition that weakens bones. In our study, we used various mouse models, including those that mimic a deficiency in active vitamin D. Through a range of advanced methods, we assessed how changes in vitamin D levels affected bone structure and metabolism.

The research revealed that insufficient vitamin D led to a drop in Sirt1, a gene that plays a crucial role in maintaining bone density. This lack of Sirt1 resulted in increased bone loss. However, when we boosted Sirt1 levels in bone stem cells, we observed a reversal in bone loss. This improvement happened because higher Sirt1 levels reduced oxidative stress, slowed down aging processes in bone cells, and enhanced new bone formation while curbing bone resorption.

Additionally, our findings indicated that vitamin D directly stimulates Sirt1 expression in these stem cells, which is vital for bone health. We also explored the effects of resveratrol, a natural compound known for activating Sirt1, and found it helped alleviate osteoporosis symptoms linked to vitamin D deficiency by enhancing the relationship between Sirt1 and another protein called PGC1α, which supports bone formation and energy metabolism.

This research underscores the importance of the vitamin D-Sirt1/PGC1α axis in bone metabolism, providing insight into how vitamin D can serve as a target for osteoporosis prevention and treatment.
Read More

User Reviews

USERS' SCORE
Very Good
Based on 6 Reviews
8.9
9.5
Childhood development
Vitamin D3 strengthens teeth and bones, supporting normal skeletal growth in children. It also enhances muscle strength and heart health, helping prevent illnesses like osteoporosis and rickets.
8.8
Bone health support
Jarrow Formulas Vitamin D3 is a high-potency supplement that supports bone health and the immune system. It contains cholecalciferol (D3), which is well absorbed by the body. I chose this supplement for its concentration of 125 mcg (5000 IU), ideal for treating vitamin D deficiency. After two weeks, I noticed improved energy and mood on cloudy days. It’s easy to digest, and I recommend checking vitamin D levels before starting.
Read More
8.8
Preventing osteoporosis
I take Vitamin D every morning and evening as it seems beneficial for preventing osteoporosis. I plan to continue this.
8.8
Bone quality maintenance
Vitamin D3 is crucial for maintaining bone quality by aiding calcium absorption. It reduces the risk of osteoporosis and improves mood and energy levels. Without sufficient Vitamin D3, bone strength and health decline.
8.8
Osteoporosis protection
Maintaining optimal vitamin D levels is vital year-round, especially in northern regions prone to deficiency. My tests confirmed this. Following my doctor's advice, I chose this supplement as vitamin D promotes calcium absorption, helping prevent osteoporosis and inflammation while supporting cardiovascular health.
Read More
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