Overview

SCIENTIFIC SCORE
Possibly Effective
Based on 4 Researches
7.5
USERS' SCORE
Good
Based on 10 Reviews
8.7
Supplement Facts
Serving Size:   1 Softgel
Amount Per Serving
%DV
Vitamin D3 (as Cholecalciferol) (from Lanolin)
125 mcg (5,000 IU)
625%

Top Medical Research Studies

8
Vitamin D3 improves immune function
We explored the impact of 1 alpha-hydroxyvitamin D3, commonly known as vitamin D3, on patients with chronic bronchitis, focusing on its potential benefits for the immune system and calcium-phosphorus metabolism. In this study, 45 patients received doses of either 2 or 4 micrograms of the vitamin over a period of 1 to 2 weeks.

Our findings revealed that the treatment led to observable changes in the metabolism of calcium and phosphorus. The alterations depended on the specific dose and duration of the treatment. Notably, the higher dose of 4 micrograms daily over two weeks was identified as excessive.

We also assessed various immune system components, such as total and rosette-forming cells, T-lymphocyte helpers and suppressors, and B lymphocytes. All these immune parameters showed significant normalization, regardless of the patients' initial levels. Elevated values tended to decrease, while those that were low increased back towards normal. It’s essential to note that despite these positive changes, the immune patterns remained stable throughout the treatment period.

Interestingly, we found a correlation between blood inorganic phosphorus levels and the dynamics of leukocytes, suggesting an interaction between immune responses and mineral metabolism. Overall, vitamin D3 treatment demonstrates a noteworthy effect on improving immune system function in chronic bronchitis patients, supporting its role as an adjunct therapy in managing this condition.
Read More
8
Vitamin D links to bronchiolitis severity
We explored the connection between vitamin D levels and the severity of acute bronchiolitis in infants, a condition primarily triggered by viral infections in children under the age of two. Our study involved 182 children with bronchiolitis, focusing on assessing disease severity using the Modified Tal Scoring System while also evaluating their serum vitamin D levels.

Our findings revealed that a significant number of infants, about 47.8%, had low vitamin D levels, indicating either deficiency or insufficiency. We observed that infants with lower vitamin D were more likely to experience severe cases of bronchiolitis. Additionally, those who required admission to the intensive care unit had an even higher frequency of vitamin D deficiencies.

This research suggests a strong link between vitamin D deficiency and severe bronchiolitis, emphasizing that checking vitamin D levels prior to the bronchiolitis season and providing adequate supplementation could potentially offer protective benefits for young children against this illness.
Read More
We examined the connection between vitamin D levels and the incidence of bronchitis, among other respiratory conditions, in a large group of adults aged 45 to 69. In our analysis, which included over 5,000 participants, we measured serum levels of 25-hydroxyvitamin D, along with a self-reported history of respiratory issues and lung function through spirometry.

Our findings revealed that individuals with low vitamin D levels, specifically those under 50 nmol/L, showed a higher likelihood of experiencing conditions such as asthma, bronchitis, wheezing, and chest tightness. For instance, those with low vitamin D were about 54% more likely to have bronchitis compared to those with sufficient levels. Interestingly, we also found that participants with vitamin D levels above 100 nmol/L displayed a significant increase in lung capacity when compared to individuals whose levels ranged from 50 to 100 nmol/L.

This suggests that maintaining adequate levels of vitamin D could be beneficial for respiratory health, particularly in reducing the risk of bronchitis and improving lung function. However, it's essential to note that while our study highlights these associations, it did not directly test vitamin D treatment for bronchitis, meaning that further research would be needed to establish a causal link and treatment guidelines.
Read More

Most Useful Reviews

9.5
Immune support
The quality of this vitamin D is excellent. My husband, who had bronchitis, has not fallen ill this season. It's superb!
Read More
9.5
Prevented infections
I started taking Vitamin D to stave off colds and maintain my immunity after battling coronavirus. Since December 2020, I’ve had no colds or bronchitis, which is remarkable given my usual history of sickness during autumn and winter. Wishing everyone good health!
Read More
9.5
Health improvement
Vitamin D is crucial for our family’s health, as it impacts over 2,000 genes. It supports the immune system, vital for fighting pathogens and preventing bronchitis and pneumonia. Since we supplement, we have noticed significant health improvements.
Read More

Medical Researches

SCIENTIFIC SCORE
Possibly Effective
Based on 4 Researches
7.5
  • All Researches
8
Vitamin D links to bronchiolitis severity
We explored the connection between vitamin D levels and the severity of acute bronchiolitis in infants, a condition primarily triggered by viral infections in children under the age of two. Our study involved 182 children with bronchiolitis, focusing on assessing disease severity using the Modified Tal Scoring System while also evaluating their serum vitamin D levels.

Our findings revealed that a significant number of infants, about 47.8%, had low vitamin D levels, indicating either deficiency or insufficiency. We observed that infants with lower vitamin D were more likely to experience severe cases of bronchiolitis. Additionally, those who required admission to the intensive care unit had an even higher frequency of vitamin D deficiencies.

This research suggests a strong link between vitamin D deficiency and severe bronchiolitis, emphasizing that checking vitamin D levels prior to the bronchiolitis season and providing adequate supplementation could potentially offer protective benefits for young children against this illness.
Read More
8
Vitamin D3 improves immune function
We explored the impact of 1 alpha-hydroxyvitamin D3, commonly known as vitamin D3, on patients with chronic bronchitis, focusing on its potential benefits for the immune system and calcium-phosphorus metabolism. In this study, 45 patients received doses of either 2 or 4 micrograms of the vitamin over a period of 1 to 2 weeks.

Our findings revealed that the treatment led to observable changes in the metabolism of calcium and phosphorus. The alterations depended on the specific dose and duration of the treatment. Notably, the higher dose of 4 micrograms daily over two weeks was identified as excessive.

We also assessed various immune system components, such as total and rosette-forming cells, T-lymphocyte helpers and suppressors, and B lymphocytes. All these immune parameters showed significant normalization, regardless of the patients' initial levels. Elevated values tended to decrease, while those that were low increased back towards normal. It’s essential to note that despite these positive changes, the immune patterns remained stable throughout the treatment period.

Interestingly, we found a correlation between blood inorganic phosphorus levels and the dynamics of leukocytes, suggesting an interaction between immune responses and mineral metabolism. Overall, vitamin D3 treatment demonstrates a noteworthy effect on improving immune system function in chronic bronchitis patients, supporting its role as an adjunct therapy in managing this condition.
Read More
We focused on understanding how vitamin D levels relate to heart and lung health in infants suffering from acute bronchiolitis. By observing a group of infants hospitalized for this condition, we classified them according to their vitamin D levels.

Our findings revealed that nearly half of the infants had low vitamin D levels, which correlated with worse cardiac function and increased pulmonary issues. We noted significant differences in respiratory support needs and echocardiographic outcomes between those with low versus normal vitamin D levels.

Specifically, infants with lower vitamin D exhibited more severe symptoms, reflected in higher NT-ProBNP levels—a marker of heart stress—and greater risks of requiring intensive care. With these results, it appears that low vitamin D doesn't just correlate with illness severity, it seems to play a role in worsening respiratory and cardiac function in acute cases of bronchiolitis.
Read More
We examined the connection between vitamin D levels and the incidence of bronchitis, among other respiratory conditions, in a large group of adults aged 45 to 69. In our analysis, which included over 5,000 participants, we measured serum levels of 25-hydroxyvitamin D, along with a self-reported history of respiratory issues and lung function through spirometry.

Our findings revealed that individuals with low vitamin D levels, specifically those under 50 nmol/L, showed a higher likelihood of experiencing conditions such as asthma, bronchitis, wheezing, and chest tightness. For instance, those with low vitamin D were about 54% more likely to have bronchitis compared to those with sufficient levels. Interestingly, we also found that participants with vitamin D levels above 100 nmol/L displayed a significant increase in lung capacity when compared to individuals whose levels ranged from 50 to 100 nmol/L.

This suggests that maintaining adequate levels of vitamin D could be beneficial for respiratory health, particularly in reducing the risk of bronchitis and improving lung function. However, it's essential to note that while our study highlights these associations, it did not directly test vitamin D treatment for bronchitis, meaning that further research would be needed to establish a causal link and treatment guidelines.
Read More

User Reviews

USERS' SCORE
Good
Based on 10 Reviews
8.7
  • All Reviews
  • Positive Reviews
  • Negative Reviews
9.5
Immune support
The quality of this vitamin D is excellent. My husband, who had bronchitis, has not fallen ill this season. It's superb!
Read More
9.5
Prevented infections
I started taking Vitamin D to stave off colds and maintain my immunity after battling coronavirus. Since December 2020, I’ve had no colds or bronchitis, which is remarkable given my usual history of sickness during autumn and winter. Wishing everyone good health!
Read More
9.5
Health improvement
Vitamin D is crucial for our family’s health, as it impacts over 2,000 genes. It supports the immune system, vital for fighting pathogens and preventing bronchitis and pneumonia. Since we supplement, we have noticed significant health improvements.
Read More
9.5
No side effects
I am taking Vitamin D capsules for the first time instead of drops. They are small and easy to swallow, with no side effects. I’ve been taking them consistently to support my immune system during winter, especially due to my chronic bronchitis.
Read More
9.5
Stopped bronchitis
Since I began taking this product three years ago, my health has greatly improved. I no longer suffer from frequent colds or lingering bronchitis, which is a significant change during winter. I highly recommend this vitamin!
Read More

Frequently Asked Questions

Bronchitis is an inflammation of the lining of the bronchial tubes, which are responsible for carrying air to and from the lungs. This condition can result in symptoms such as coughing, mucus production, wheezing, and shortness of breath. Acute bronchitis, often triggered by viral infections like the common cold, typically lasts for a few weeks, while chronic bronchitis, a form of Chronic Obstructive Pulmonary Disease (COPD), is characterized by a persistent cough and can last for months or even years, often caused by long-term exposure to irritants like cigarette smoke or air pollution.

The treatment for bronchitis varies depending on whether it is acute or chronic. Acute bronchitis generally requires rest, increased fluid intake, and over-the-counter medications to relieve symptoms. In contrast, chronic bronchitis may necessitate more comprehensive management, including bronchodilators, corticosteroids, and pulmonary rehabilitation. Regardless of the type, maintaining good respiratory health and avoiding smoking or environmental irritants is crucial for prevention and management.

Vitamin D is a fat-soluble vitamin that's essential for maintaining healthy bones and teeth, supporting immune system function, and facilitating normal cell growth and development. It plays a crucial role in calcium absorption in the gut, which is vital for bone health. Unlike most vitamins, our bodies can produce Vitamin D when exposed to sunlight, specifically UVB rays, which is why it’s often referred to as the "sunshine vitamin." However, depending on your geographical location, lifestyle, and skin type, getting sufficient Vitamin D from the sun alone can be challenging, particularly during the winter months.

In addition to sunlight, Vitamin D can be obtained from certain foods such as fatty fish (like salmon and mackerel), fish liver oils, and fortified foods like milk and cereals. Some individuals may also consider supplements, especially if they're at risk for deficiency. Insufficient vitamin D levels are linked to various health issues, including rickets in children, osteomalacia in adults, and even an increased risk of chronic diseases. Regularly checking your vitamin D levels and consulting with a healthcare professional can help ensure you're meeting your needs for optimal health.

Vitamin D has long been recognized for its role in supporting immune health, and emerging research suggests that it may have a beneficial effect on respiratory infections, including bronchitis. Some studies indicate that adequate levels of vitamin D can help reduce the risk of developing respiratory tract infections, which could be particularly relevant for those suffering from acute bronchitis. However, while vitamin D may support overall respiratory health, it is important to note that it is not a direct treatment for bronchitis itself.

If you're considering using vitamin D as part of your health regimen, it's advisable to consult with a healthcare professional. They can provide guidance on appropriate dosages and whether you may benefit from supplementation based on your individual health profile. Additionally, incorporating vitamin D-rich foods, such as fatty fish, fortified dairy products, and egg yolks, alongside safe sun exposure can be a comprehensive approach to maintaining optimal vitamin D levels.

Based on user reviews, the time it takes to see results from taking Vitamin D for bronchitis may vary. Some users report noticeable improvements within a couple of months. For instance, one reviewer indicated that after two months of taking a vitamin D supplement, their bronchitis improved significantly without the need for antibiotics (Read Review). Another user shared that after consistently taking the supplement for over three years, they saw a considerable reduction in bronchitis occurrences, especially during winter months (Read Review).

Overall, while individual experiences may differ, many users suggest maintaining consistent usage to achieve the best outcomes. It's also worth noting that some individuals reported improvements in overall health and immunity which helped combat bronchitis more effectively over time (Read Review). Therefore, patience and consistency seem vital in observing positive effects.

Supplementation with vitamin D shows promise in supporting respiratory health, particularly concerning conditions such as bronchitis. A study reviewed the effects of vitamin D levels on bronchitis incidence in adults, highlighting that individuals with low vitamin D were notably more susceptible—54% more likely to experience bronchitis compared to those with adequate levels [3]. Additionally, vitamin D's role in potentially mitigating severe cases of bronchiolitis in infants further underscores its relevance for respiratory conditions [2].

Furthermore, an investigation into 1 alpha-hydroxyvitamin D3 in patients suffering from chronic bronchitis demonstrated beneficial effects on immune response and metabolism, suggesting that vitamin D3 can aid in managing the condition when used as an adjunct therapy [4]. While these findings indicate a strong link between vitamin D and bronchitis, there remains a need for further research to confirm its efficacy as a standalone treatment or in conjunction with other therapies.

Users report a variety of improvements in their symptoms associated with bronchitis after beginning Vitamin D supplementation, highlighting its potential benefits for respiratory health. For instance, one user shared that their husband, who previously suffered from bronchitis, has not fallen ill during the current season after starting the supplement, indicating a significant change in their overall health (Read Review). Another reviewer noted that since they began taking Vitamin D, they have not experienced any colds or bronchitis, a remarkable change given their history of frequent illness during colder months (Read Review).

Additional anecdotal evidence suggests that long-term users have also seen considerable improvements. One individual reported that after consistently taking Vitamin D for three years, they no longer suffered from frequent colds or lingering bronchitis, marking a substantial positive shift in their health status during winter months (Read Review). Others have mentioned overall health improvements related to immune function, linking their Vitamin D intake to better resistance against respiratory infections, with one user even stating their bronchitis improved without the need for antibiotics (Read Review). While individual results can vary, these testimonials suggest Vitamin D may play a significant role in enhancing respiratory health and immunity.

Users report a generally positive experience when combining Vitamin D with other supplements for managing bronchitis. Several users highlighted the benefits of Vitamin D in supporting immune function and preventing respiratory infections. For instance, one individual noted substantial improvements in their health after consistently taking Vitamin D, stating they no longer suffered from frequent bronchitis or colds after three years of use (Read Review). Another reviewer emphasized the supplement's importance in promoting the production of antibacterial peptides, essential for combating illnesses like bronchitis (Read Review).

There are indications that Vitamin D might work synergistically with other supplements to enhance overall health. One user reported significant health improvements and better immune responses since incorporating Vitamin D into their regimen, which they attributed to maintaining higher levels of the vitamin (Read Review). Moreover, another user who reported chronic bronchitis mentioned the benefits of taking Vitamin D to support their immune system during winter, suggesting the compound’s role in a holistic approach to managing bronchitis (Read Review). Overall, users appear to find Vitamin D beneficial in conjunction with other health maintenance strategies.

Based on user reviews, there are various insights regarding the right dose of Vitamin D for treating bronchitis. Many users report positive experiences with high doses, such as one who took 5000 IU of Vitamin D-3 after testing low; they indicated that their bronchitis improved significantly without the need for antibiotics ((Read Review)). Another reviewer noted that after increasing their Vitamin D intake, they experienced only mild symptoms during illness, suggesting that higher dosages might help maintain better health during respiratory challenges ((Read Review)).

Moreover, users highlighted the role of Vitamin D in supporting the immune system and preventing bronchitis. One user mentioned improvements in their general health after consistent Vitamin D supplementation, avoiding frequent colds and bronchitis ((Read Review)). It seems users collectively advocate for maintaining higher doses, while also stressing the importance of consulting a healthcare professional to determine individual needs based on specific health conditions ((Read Review)).

8.8
Improved health
I underwent tests for Vitamin D as my level was worryingly low. After two months of taking 5000 IU of Vitamin D-3, my level shot up. I feel great; my bronchitis improved without antibiotics, and my wounds heal rapidly now. I’m committed to maintaining my vitamin intake.
9.5
Stopped bronchitis
Since I began taking this product three years ago, my health has greatly improved. I no longer suffer from frequent colds or lingering bronchitis, which is a significant change during winter. I highly recommend this vitamin!
9.5
Prevented infections
I started taking Vitamin D to stave off colds and maintain my immunity after battling coronavirus. Since December 2020, I’ve had no colds or bronchitis, which is remarkable given my usual history of sickness during autumn and winter. Wishing everyone good health!
9.5
Immune support
The quality of this vitamin D is excellent. My husband, who had bronchitis, has not fallen ill this season. It's superb!
7.5
Immune boost
Vitamin D promotes the production of antibacterial peptides that are vital for fighting infections like colds and bronchitis. The ingredients are excellent, and the capsules are easy to swallow, making it an effective supplement for my immune system.
9.5
Health improvement
Vitamin D is crucial for our family’s health, as it impacts over 2,000 genes. It supports the immune system, vital for fighting pathogens and preventing bronchitis and pneumonia. Since we supplement, we have noticed significant health improvements.
9.5
No side effects
I am taking Vitamin D capsules for the first time instead of drops. They are small and easy to swallow, with no side effects. I’ve been taking them consistently to support my immune system during winter, especially due to my chronic bronchitis.
8.8
Avoided illness
After years of suffering from several illnesses, including bronchitis, I started taking Vitamin D in a higher dosage. As a result, I remained healthy throughout 2019 and only experienced mild symptoms when I caught COVID-19 in 2020. Now, I consistently take it for maintenance.
7.5
Consult a doctor
Symptoms of Vitamin D deficiency include muscle pain and an increased risk of respiratory infections like bronchitis. It’s essential to consult a doctor for advice if you think you might be deficient.
We examined the connection between vitamin D levels and the incidence of bronchitis, among other respiratory conditions, in a large group of adults aged 45 to 69. In our analysis, which included over 5,000 participants, we measured serum levels of 25-hydroxyvitamin D, along with a self-reported history of respiratory issues and lung function through spirometry.

Our findings revealed that individuals with low vitamin D levels, specifically those under 50 nmol/L, showed a higher likelihood of experiencing conditions such as asthma, bronchitis, wheezing, and chest tightness. For instance, those with low vitamin D were about 54% more likely to have bronchitis compared to those with sufficient levels. Interestingly, we also found that participants with vitamin D levels above 100 nmol/L displayed a significant increase in lung capacity when compared to individuals whose levels ranged from 50 to 100 nmol/L.

This suggests that maintaining adequate levels of vitamin D could be beneficial for respiratory health, particularly in reducing the risk of bronchitis and improving lung function. However, it's essential to note that while our study highlights these associations, it did not directly test vitamin D treatment for bronchitis, meaning that further research would be needed to establish a causal link and treatment guidelines.
8
Vitamin D links to bronchiolitis severity
We explored the connection between vitamin D levels and the severity of acute bronchiolitis in infants, a condition primarily triggered by viral infections in children under the age of two. Our study involved 182 children with bronchiolitis, focusing on assessing disease severity using the Modified Tal Scoring System while also evaluating their serum vitamin D levels.

Our findings revealed that a significant number of infants, about 47.8%, had low vitamin D levels, indicating either deficiency or insufficiency. We observed that infants with lower vitamin D were more likely to experience severe cases of bronchiolitis. Additionally, those who required admission to the intensive care unit had an even higher frequency of vitamin D deficiencies.

This research suggests a strong link between vitamin D deficiency and severe bronchiolitis, emphasizing that checking vitamin D levels prior to the bronchiolitis season and providing adequate supplementation could potentially offer protective benefits for young children against this illness.
8
Vitamin D3 improves immune function
We explored the impact of 1 alpha-hydroxyvitamin D3, commonly known as vitamin D3, on patients with chronic bronchitis, focusing on its potential benefits for the immune system and calcium-phosphorus metabolism. In this study, 45 patients received doses of either 2 or 4 micrograms of the vitamin over a period of 1 to 2 weeks.

Our findings revealed that the treatment led to observable changes in the metabolism of calcium and phosphorus. The alterations depended on the specific dose and duration of the treatment. Notably, the higher dose of 4 micrograms daily over two weeks was identified as excessive.

We also assessed various immune system components, such as total and rosette-forming cells, T-lymphocyte helpers and suppressors, and B lymphocytes. All these immune parameters showed significant normalization, regardless of the patients' initial levels. Elevated values tended to decrease, while those that were low increased back towards normal. It’s essential to note that despite these positive changes, the immune patterns remained stable throughout the treatment period.

Interestingly, we found a correlation between blood inorganic phosphorus levels and the dynamics of leukocytes, suggesting an interaction between immune responses and mineral metabolism. Overall, vitamin D3 treatment demonstrates a noteworthy effect on improving immune system function in chronic bronchitis patients, supporting its role as an adjunct therapy in managing this condition.

References

  1. Estalella-Mendoza A, Castellano-Martínez A, Flores-González JC, Estepa-Pedregosa L, Rodríguez-Campoy P, et al. Vitamin D Levels and Cardiopulmonary Status in Infants with Acute Bronchiolitis. Indian Pediatr. 2022;59:384.
  2. Alakaş Y, Celiloğlu C, Tolunay O, Matyar S. The Relationship between Bronchiolitis Severity and Vitamin D Status. J Trop Pediatr. 2021;67. doi:10.1093/tropej/fmab081
  3. Mulrennan S, Knuiman M, Walsh JP, Hui J, Hunter M, et al. Vitamin D and respiratory health in the Busselton Healthy Ageing Study. Respirology. 2018;23:576. doi:10.1111/resp.13239
  4. Babarykin DA, Vasipa SB, Gintere GB, Bigestan VIa. [Immunocorrecting properties and effect on the phosphorus-calcium metabolism of oxidevit (1 alpha-hydroxyvitamin D3)]. Vopr Med Khim. 1988;34:104.
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