Overview

SCIENTIFIC SCORE
Possibly Effective
Based on 4 Researches
7.5
USERS' SCORE
Good
Based on 8 Reviews
8.5
Supplement Facts
Serving Size: 1 Softgel
Amount Per Serving
%DV
Vitamin D3 (as Cholecalciferol) (from Lanolin)
50 mcg (2,000 IU)
250%

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
Quick recovery
This vitamin D has had a positive effect on my well-being: no spring blues or vitamin deficiency, and I caught bronchitis but recovered quickly without antibiotics. Cuts heal faster now, which is wonderful.
Read More
9.5
Easier COVID recovery
This vitamin is effective. My parents tolerated COVID well, and after starting D3, their health improved, even with bronchitis and thromboembolism. Their D3 levels normalised, aiding their recovery when they fell ill.
Read More
9.5
No more coughing
We’ve been taking this for a month, and I have no complaints. My older child, who is usually sick with bronchitis, hasn’t coughed even once during this period. I consider that a success!
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 8 Reviews
8.5
  • All Reviews
  • Positive Reviews
  • Negative Reviews
9.5
Quick recovery
This vitamin D has had a positive effect on my well-being: no spring blues or vitamin deficiency, and I caught bronchitis but recovered quickly without antibiotics. Cuts heal faster now, which is wonderful.
Read More
9.5
Easier COVID recovery
This vitamin is effective. My parents tolerated COVID well, and after starting D3, their health improved, even with bronchitis and thromboembolism. Their D3 levels normalised, aiding their recovery when they fell ill.
Read More
9.5
No more coughing
We’ve been taking this for a month, and I have no complaints. My older child, who is usually sick with bronchitis, hasn’t coughed even once during this period. I consider that a success!
Read More
8.8
Improved health
I was sceptical about the claims but tried this vitamin for its health benefits. I fully recovered from rheumatoid arthritis and bronchitis. I now have more energy and an improved mood, which is fantastic.
Read More
7.5
Reduced bronchitis
My son suffered from obstructive bronchitis for years, but after starting D3 and a vitamin complex, he gets sick less often. I believe D3 helped him recover from bronchitis.
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 regarding the use of vitamin D for bronchitis, it appears that results can vary depending on the individual. Many users report improvements relatively quickly; for instance, one user mentioned their older child typically prone to bronchitis did not cough at all during the first month of taking the supplement, which they deemed a significant success (Read Review). Others also expressed that, after consistent use, they noticed enhanced recovery from bronchitis and fewer sick days, indicating that noticeable effects might be experienced within weeks to a month of starting the vitamin (Read Review), (Read Review).

However, it’s important to highlight that individual responses can differ significantly, and some users might not notice immediate benefits. Consistent intake over a longer duration, such as several weeks, can also play a crucial role in efficacy. Overall, while some users report feeling improvements quite quickly, others may find results develop more gradually (Read Review). As always, consulting with a healthcare professional for personalized advice is recommended.

The evidence suggests that vitamin D supplementation may be beneficial in managing bronchitis, particularly chronic bronchitis. A study involving 45 patients with chronic bronchitis indicated that treatment with vitamin D3 led to positive changes in immune system function and alterations in calcium and phosphorus metabolism, which could potentially aid in managing the condition [4]. Additionally, a larger-scale study demonstrated that individuals with lower levels of vitamin D were 54% more likely to suffer from bronchitis compared to those with adequate levels, highlighting a significant association between vitamin D deficiency and the risk of bronchitis [3].

Furthermore, research focused on infants with bronchiolitis, a similar respiratory condition, revealed that low vitamin D levels correlated with increased severity of symptoms, suggesting that vitamin D plays a role in respiratory health overall [2][1]. While these studies point towards a connection between vitamin D levels and bronchitis, it's crucial to note that definitive treatment guidelines are still needed, and individuals should consult healthcare professionals for personalized advice.

Based on user reviews, many individuals have reported positive improvements in their symptoms after incorporating vitamin D into their routines. For instance, one user noted that after taking vitamin D, their older child, who typically suffers from bronchitis, did not cough at all during the month of use, which they deemed a significant success (Read Review). Similarly, another user shared that their son's long-standing issues with obstructive bronchitis have diminished since starting vitamin D3 and a vitamin complex, leading to fewer illnesses overall (Read Review).

Moreover, several reviews highlighted quicker recovery times and a reduction in the severity of illnesses. For example, a user recovering from bronchitis reported that they managed to fight off a cold that developed into bronchitis with minimal issues, thanks to the vitamin's immune-boosting properties (Read Review). Another individual experienced a full recovery from bronchitis and reported improved overall energy and mood (Read Review). While these results are encouraging, it's essential to keep in mind that individual experiences can vary, and not everyone may experience the same level of benefit.

Based on user reviews, many individuals have found that combining vitamin D with other supplements can lead to improved outcomes in managing bronchitis. One user noted that their son, who had struggled with obstructive bronchitis for years, saw a reduction in illness frequency after starting vitamin D3 along with a vitamin complex (Read Review). Another review mentioned that while dealing with bronchitis, the individual was able to fight off a cold with minimal issues, attributing this success to the immune-boosting properties of vitamin D (Read Review).

Additionally, several users have reported that not only did their use of vitamin D positively affect bronchitis symptoms, but it also improved their overall well-being. For instance, one user shared that after taking vitamin D, both they and their parents recovered more quickly from bronchitis, implying that the supplement played a significant role in their recovery process (Read Review). Another user highlighted the benefits of vitamin D for general health, emphasizing its effectiveness for healing and immunity (Read Review). Overall, incorporating vitamin D and other complementary nutrients appears to be a promising strategy for those dealing with bronchitis.

Users report varying experiences regarding the dosage of Vitamin D for treating bronchitis. Several reviews suggest that a relatively low dose is effective, particularly for children and teenagers. One user highlights that they give a small dose to their teenager, observing benefits in combating symptoms like muscle pain and susceptibility to bronchitis (Read Review). Another user mentions providing one capsule to their child, leading to a noticeable decrease in incidences of bronchitis and pneumonia (Read Review).

Additionally, some adult users report significant improvements with consistent usage over a month, attributing their successful recovery from bronchitis directly to taking Vitamin D, although they do not specify exact doses (Read Review)(Read Review). This suggests that while users may not explicitly state an ideal dose, there is a consensus that Vitamin D can aid in the recovery and prevention of bronchitis at lower doses.

9.5
No more coughing
We’ve been taking this for a month, and I have no complaints. My older child, who is usually sick with bronchitis, hasn’t coughed even once during this period. I consider that a success!
8
Boosted immunity
I’ve been taking this vitamin for a while and feel the benefits. It boosted my immunity; I had a cold that turned into bronchitis, but I fought it off with minimal issues. My mood has improved too.
7.5
Reduced bronchitis
My son suffered from obstructive bronchitis for years, but after starting D3 and a vitamin complex, he gets sick less often. I believe D3 helped him recover from bronchitis.
8.8
Improved health
I was sceptical about the claims but tried this vitamin for its health benefits. I fully recovered from rheumatoid arthritis and bronchitis. I now have more energy and an improved mood, which is fantastic.
9.5
Easier COVID recovery
This vitamin is effective. My parents tolerated COVID well, and after starting D3, their health improved, even with bronchitis and thromboembolism. Their D3 levels normalised, aiding their recovery when they fell ill.
9.5
Quick recovery
This vitamin D has had a positive effect on my well-being: no spring blues or vitamin deficiency, and I caught bronchitis but recovered quickly without antibiotics. Cuts heal faster now, which is wonderful.
8.8
Essential vitamin
This vitamin D really works. I give a small dose to my teenager, as it's essential for combating symptoms like muscle pain and vulnerability to bronchitis. It’s easy to swallow and should always be in your first aid kit.
8.8
Fewer illnesses
Good vitamin D3; the capsules are small and easy to take. I give one to my child and have noticed fewer instances of bronchitis and pneumonia since starting it, especially during autumn and winter.
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.
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.
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.

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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