Supplement Facts
Serving Size: 1 Veg Capsule
Amount Per Serving
%DV
Vitamin D2 (as Ergocalciferol)
25 mcg (1,000 IU)
125%
The product is found useful for the following medical conditions
Leg Cramps details
SCIENTIFIC SCORE
Very Likely Ineffective
Based on 2 Researches
2
USERS' SCORE
Good
Based on 2 Reviews
8.6
4
We assessed the impact of vitamin D on leg cramps experienced during pregnancy, referring to data from various studies. One of the key findings was that vitamin D treatment showed little to no difference when it came to reducing the frequency of leg cramps.
In a trial involving 84 women, participants who received vitamin D did not see significant changes in the frequency of leg cramps after three weeks or six weeks post-treatment. This suggests that, while vitamin D is often discussed in the context of health benefits, its effectiveness for leg cramps specifically might be quite limited.
Overall, the evidence we reviewed highlights the need for caution. The findings suggest that vitamin D may not be a viable treatment option for managing leg cramps during pregnancy, indicating a need for more robust research in this area.
In a trial involving 84 women, participants who received vitamin D did not see significant changes in the frequency of leg cramps after three weeks or six weeks post-treatment. This suggests that, while vitamin D is often discussed in the context of health benefits, its effectiveness for leg cramps specifically might be quite limited.
Overall, the evidence we reviewed highlights the need for caution. The findings suggest that vitamin D may not be a viable treatment option for managing leg cramps during pregnancy, indicating a need for more robust research in this area.
9
Effective solution
Most Useful Review
This seems to work well with no leg cramps or headaches. I've shared it with friends who are also interested; it definitely delivers the results I wanted.
Updated: Mar 2026
Autoimmune Disorder details
SCIENTIFIC SCORE
Possibly Effective
Based on 13 Researches
7.4
USERS' SCORE
Good
Based on 2 Reviews
8.5
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.
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.
9
Prevention success
Most Useful Review
1 people found this helpful
Excellent D3! I take this dosage during summer, and for the rest of the year, I have 2000 IU from the same manufacturer. Over two years, my family hasn't caught any colds, and we were asymptomatic even during the pandemic. This supplement has been essential in managing our immune health, particularly in relation to autoimmune disorders.
Updated: Apr 2025
Liver Disease details
SCIENTIFIC SCORE
Moderately Effective
Based on 16 Researches
8
USERS' SCORE
Good
Based on 2 Reviews
8.5
We explored the effects of vitamin D supplementation in patients with liver cirrhosis—a progressive disease that often manifests alongside vitamin D deficiency. In a carefully designed study, we involved sixty patients who participated in a double-blind, randomized controlled trial. Each patient received either a weekly dose of 50,000 IU of vitamin D or a placebo over 12 weeks.
Throughout the study, we assessed key health markers before and after supplementation, including liver function tests, lipid profiles, and glycaemic indices such as fasting blood glucose and insulin resistance. By the end of the trial, our findings indicated that vitamin D supplementation significantly improved fasting blood glucose levels and insulin resistance in the participants.
Specifically, we observed noteworthy increases in serum 25-hydroxy-vitamin D levels and reductions in fasting blood glucose and insulin resistance indicators. These results suggest that vitamin D might be an important player in improving metabolic health for those suffering from liver cirrhosis.
Throughout the study, we assessed key health markers before and after supplementation, including liver function tests, lipid profiles, and glycaemic indices such as fasting blood glucose and insulin resistance. By the end of the trial, our findings indicated that vitamin D supplementation significantly improved fasting blood glucose levels and insulin resistance in the participants.
Specifically, we observed noteworthy increases in serum 25-hydroxy-vitamin D levels and reductions in fasting blood glucose and insulin resistance indicators. These results suggest that vitamin D might be an important player in improving metabolic health for those suffering from liver cirrhosis.
9
Essential for immunity
Most Useful Review
This is a crucial vitamin for our body. I bought it for my brother as it was prescribed by his doctor. I intended to purchase it again, but it’s now unavailable. This vitamin is vital for immunity, especially if one suffers from liver disease.
Updated: Mar 2026
Osteoporosis details
SCIENTIFIC SCORE
Possibly Effective
Based on 16 Researches
7.8
USERS' SCORE
Good
Based on 7 Reviews
8.5
9
We sought to understand how doxercalciferol, a form of vitamin D2, affects bone health in aging mice, particularly in relation to osteoporosis. Through a series of experiments, we investigated its potential benefits in preventing bone loss, a common issue as animals age.
Our findings revealed that aging mice exhibited increased urine calcium excretion, decreased bone calcium content, and a reduction in biomechanical strength. However, upon administering doxercalciferol, we observed significant effects; especially, it lowered serum parathyroid hormone (PTH) levels which are commonly elevated in aging.
Additionally, our analysis through specific staining techniques confirmed that doxercalciferol helped protect against bone loss and supported cartilage regeneration. We also noted that the treatment enhanced the activity of bone-building cells while inhibiting the activity of cells that break down bone.
Overall, these results suggest that doxercalciferol could be an effective treatment for aging-related osteoporosis by enhancing bone health and improving overall quality of life.
Our findings revealed that aging mice exhibited increased urine calcium excretion, decreased bone calcium content, and a reduction in biomechanical strength. However, upon administering doxercalciferol, we observed significant effects; especially, it lowered serum parathyroid hormone (PTH) levels which are commonly elevated in aging.
Additionally, our analysis through specific staining techniques confirmed that doxercalciferol helped protect against bone loss and supported cartilage regeneration. We also noted that the treatment enhanced the activity of bone-building cells while inhibiting the activity of cells that break down bone.
Overall, these results suggest that doxercalciferol could be an effective treatment for aging-related osteoporosis by enhancing bone health and improving overall quality of life.
9
Effective alternative found
Most Useful Review
12 people found this helpful
Much better and less hazardous than taking Fosamax! My husband takes this for his osteoporosis, and it works well. He switched from Fosamax due to side effects to a more natural method, which has proven successful without side effects.
Updated: Mar 2026
Back Pain details
SCIENTIFIC SCORE
Questionable
Based on 8 Researches
6.7
USERS' SCORE
Good
Based on 3 Reviews
8.4
9.5
We observed a fascinating case involving a male in his 40s who experienced persistent inflammatory back pain for three months. Despite having a negative test for HLA-B27, a marker often associated with axial spondyloarthritis, clinical assessments suggested possible underlying issues.
The clinical investigation led to an MRI, which confirmed bilateral symmetrical sacroiliitis. Interestingly, further tests showed he had very low vitamin D levels along with elevated parathyroid hormone—indicating a possible deficiency impacting his condition.
After starting treatment with vitamin D alongside nonsteroidal anti-inflammatory drugs (NSAIDs), he experienced notable relief from his symptoms. His condition improved significantly, and follow-up tests indicated that his vitamin D levels had normalized.
This case demonstrates the potential benefits of vitamin D in managing back pain, especially when classical markers are inconclusive. It highlights how a thorough diagnosis can reveal interconnected health issues and improve treatment outcomes.
The clinical investigation led to an MRI, which confirmed bilateral symmetrical sacroiliitis. Interestingly, further tests showed he had very low vitamin D levels along with elevated parathyroid hormone—indicating a possible deficiency impacting his condition.
After starting treatment with vitamin D alongside nonsteroidal anti-inflammatory drugs (NSAIDs), he experienced notable relief from his symptoms. His condition improved significantly, and follow-up tests indicated that his vitamin D levels had normalized.
This case demonstrates the potential benefits of vitamin D in managing back pain, especially when classical markers are inconclusive. It highlights how a thorough diagnosis can reveal interconnected health issues and improve treatment outcomes.
9
Returned shoulder pain
Most Useful Review
2 people found this helpful
It came back again and it's worse. Initially, my shoulder pain disappeared in days. However, after forgetting to take it for one day, the pain returned, and it's worse now.
Updated: Apr 2025
Cold details
SCIENTIFIC SCORE
Questionable
Based on 5 Researches
6.8
USERS' SCORE
Good
Based on 12 Reviews
8.3
8
We explored the connection between vitamin D levels and upper respiratory tract infections (URTIs) among military recruits during their training. This observation spanned across different seasons and included over 1,600 recruits. Our aim was to understand how achieving sufficient vitamin D levels could potentially impact the frequency and severity of colds among physically active individuals.
In an additional phase of the research, we conducted a randomized controlled trial with 250 male recruits. They received either a placebo, simulated sunlight exposure, or oral vitamin D3 supplements during winter. This comparison allowed us to see if these methods effectively increased vitamin D levels to a sufficient status of 25(OH)D at 50 nmol/L or higher.
Notably, our findings showed that only 21% of recruits had adequate vitamin D during winter, yet those who did were 40% less likely to suffer from URTIs. Furthermore, both vitamin D supplementation strategies similarly helped nearly all participants achieve sufficient levels. Vitamin D supplementation notably reduced the severity of URTI symptoms by 15% and the number of days with URTIs by 36% compared to placebo.
While the supplementation strategies did not significantly alter other immune factors, such as salivary secretory immunoglobulin A, the overall reduction in respiratory infections indicates a beneficial effect of maintaining vitamin D sufficiency during military training.
In an additional phase of the research, we conducted a randomized controlled trial with 250 male recruits. They received either a placebo, simulated sunlight exposure, or oral vitamin D3 supplements during winter. This comparison allowed us to see if these methods effectively increased vitamin D levels to a sufficient status of 25(OH)D at 50 nmol/L or higher.
Notably, our findings showed that only 21% of recruits had adequate vitamin D during winter, yet those who did were 40% less likely to suffer from URTIs. Furthermore, both vitamin D supplementation strategies similarly helped nearly all participants achieve sufficient levels. Vitamin D supplementation notably reduced the severity of URTI symptoms by 15% and the number of days with URTIs by 36% compared to placebo.
While the supplementation strategies did not significantly alter other immune factors, such as salivary secretory immunoglobulin A, the overall reduction in respiratory infections indicates a beneficial effect of maintaining vitamin D sufficiency during military training.
10
No colds for years
Most Useful Review
1 people found this helpful
I order this dosage for summer; for the rest of the year, I take 2000 IU from the same manufacturer. The most important effect is that my whole family hasn't caught a cold for two years, and the usual crowned illness passed without symptoms. I've consistently maintained our vitamin levels.
Updated: Apr 2025
Rash details
SCIENTIFIC SCORE
No researches found
N/A
USERS' SCORE
Good
Based on 2 Reviews
8.2
7.5
Skin quality improvement
Most Useful Review
I truly appreciate the Vitamin D3 from this brand. It has a commendable composition with natural ingredients, making it a great health ally. This vitamin effectively compensates for the lack of sunlight, thereby fortifying my immune system. I have noticed that after a few weeks of use, my skin quality has improved significantly—there are fewer rashes, and my complexion is more even. I took it alongside Omega and vitamin C, so I’m not sure which contributed most to the improvement; however, I genuinely appreciate the benefits of these vitamins.
Updated: Apr 2025
Depression details
SCIENTIFIC SCORE
Possibly Effective
Based on 16 Researches
7
USERS' SCORE
Moderately Good
Based on 10 Reviews
7.9
9
Vitamin D supports depression management
We conducted a double-blind, randomized, placebo-controlled trial to explore how cholecalciferol, a form of vitamin D, influences depressive symptoms in individuals suffering from type 2 diabetes mellitus (T2DM). This clinical study lasted for 12 weeks and involved participants who were either given a daily dose of 4000 IU of cholecalciferol or a placebo.
Throughout the study, we measured various factors, including the participants’ depression levels using the Beck Depression Inventory-II, as well as important biological markers like C-peptide, serotonin, and neurotrophin-3.
Our findings showed a significant reduction in depression scores among those taking cholecalciferol compared to the placebo group. Additionally, we observed a notable increase in C-peptide levels, which may indicate some metabolic benefits, although no significant changes were found in serotonin and neurotrophin-3 levels.
Ultimately, while cholecalciferol appears to alleviate mild to moderate depressive symptoms in T2DM patients through improved C-peptide levels, its impact on serotonin and neurotrophin-3 remains unclear. This highlights vitamin D as a potentially helpful option for managing depression alongside diabetes.
Throughout the study, we measured various factors, including the participants’ depression levels using the Beck Depression Inventory-II, as well as important biological markers like C-peptide, serotonin, and neurotrophin-3.
Our findings showed a significant reduction in depression scores among those taking cholecalciferol compared to the placebo group. Additionally, we observed a notable increase in C-peptide levels, which may indicate some metabolic benefits, although no significant changes were found in serotonin and neurotrophin-3 levels.
Ultimately, while cholecalciferol appears to alleviate mild to moderate depressive symptoms in T2DM patients through improved C-peptide levels, its impact on serotonin and neurotrophin-3 remains unclear. This highlights vitamin D as a potentially helpful option for managing depression alongside diabetes.
9
Essential winter item
Most Useful Review
In a country with minimal sunlight, vitamin D is crucial for me in winter. Since starting it in November, I haven't faced any physical or mental issues, suggesting it's effective.
Updated: Mar 2026
Chronic Fatigue Syndrome details
SCIENTIFIC SCORE
Questionable
Based on 3 Researches
5.8
USERS' SCORE
Moderately Good
Based on 2 Reviews
7.8
0
We conducted a study to see if high-dose vitamin D3 could improve vascular health and reduce fatigue in individuals suffering from chronic fatigue syndrome (CFS). This was a well-structured trial involving 50 participants, all of whom met specific diagnostic criteria for CFS. Participants were divided into two groups: one received 100,000 units of vitamin D3 every two months, while the other received a placebo over a period of six months.
Despite a noticeable increase of 22 nmol/L in vitamin D levels for those who received the treatment compared to the placebo group, we found no significant benefits. There was no change in arterial stiffness, a key vascular health indicator, nor improvements in overall fatigue as measured by the Piper Fatigue scale.
In essence, our findings indicate that high-dose oral vitamin D3 does not offer the hoped-for relief in vascular function or fatigue for patients with chronic fatigue syndrome. This suggests that other therapeutic options may need to be explored for individuals suffering from this condition.
Despite a noticeable increase of 22 nmol/L in vitamin D levels for those who received the treatment compared to the placebo group, we found no significant benefits. There was no change in arterial stiffness, a key vascular health indicator, nor improvements in overall fatigue as measured by the Piper Fatigue scale.
In essence, our findings indicate that high-dose oral vitamin D3 does not offer the hoped-for relief in vascular function or fatigue for patients with chronic fatigue syndrome. This suggests that other therapeutic options may need to be explored for individuals suffering from this condition.
9
Supports absorption
Most Useful Review
A remarkable product. The dosage is crucial as it boosts immunity and helps absorption. Being exposed to sunshine is critical. I found it essential for combating chronic fatigue syndrome, and I plan to repurchase.
Updated: Mar 2026
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