Overview

SCIENTIFIC SCORE
Moderately Effective
Based on 6 Researches
8.2
USERS' SCORE
Good
Based on 37 Reviews
8.8
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 D benefits for insomnia
We set out to explore the relationship between vitamin D and insomnia by examining how low-fat milk and yogurt fortified with 1,500 IU of nano-encapsulated vitamin D could improve sleep issues and overall quality of life.

In our analysis, we included adults with abdominal obesity and a history of insomnia, identifying twenty-nine participants through insomnia severity questionnaires. They were split into four groups: one receiving fortified low-fat milk, another with unfortified milk, a third group consuming fortified yogurt, and a fourth with unfortified yogurt. Over a ten-week period, we tracked changes in insomnia symptoms and quality of life.

Our findings revealed that those drinking the vitamin D fortified milk experienced significant improvements in insomnia scores compared to those consuming regular milk. Additionally, quality of life assessments showed positive changes for both fortified and unfortified milk groups. However, the yogurt groups did not demonstrate significant benefits, indicating that while fortified dairy has potential, yogurt may not be as effective in this context.

In conclusion, incorporating fortified low-fat milk into our diets could help ease insomnia symptoms and enhance life satisfaction, although yogurt did not show the same promise.
Read More
We studied how high-dose vitamin D3 supplementation might affect insomnia in adolescent girls. Over nine weeks, 940 participants received a weekly dose of 50,000 IU of vitamin D3 while we tracked changes in their sleep patterns.

Interestingly, we observed a notable reduction in insomnia rates after the treatment. The number of girls reporting insomnia dropped from 15.0% to 11.3%, indicating that this vitamin can potentially improve sleep quality.

We also noticed a slight decrease in daytime sleepiness, with cases falling from 15.6% to 14.7%. Furthermore, those experiencing both insomnia and sleepiness saw a decline from 8.0% to 6.1%.

These findings suggest that high-dose vitamin D can play a significant role in alleviating sleep issues among adolescent girls. However, further studies are needed to see if these effects are consistent across diverse age and gender groups.
Read More
9
Vitamin D improves insomnia symptoms
We aimed to understand how vitamin D, specifically in the form of 1,500 IU nano-encapsulated vitamin D fortified in dairy products, could influence insomnia symptoms and quality of life. By conducting a case series, we selected 29 adults suffering from insomnia, particularly those with abdominal obesity. They were divided into four groups receiving different treatments over the course of 10 weeks: fortified low-fat milk, unfortified simple milk, fortified low-fat yogurt, and unfortified yogurt.

After analyzing the results, we found that participants consuming the vitamin D fortified milk experienced significant improvements in their insomnia symptoms compared to those drinking unfortified milk. However, those consuming fortified or unfortified yogurt showed no notable difference. Additionally, both groups consuming milk—fortified and simple—reported enhanced quality of life, although this was not observed in the yogurt groups.

Overall, our findings suggest that low-fat milk with added vitamin D can be beneficial for alleviating insomnia symptoms and improving quality of life, confirming its potential therapeutic role in sleep disorders.
Read More

Most Useful Reviews

9
Improved mood
I decided to take vitamin D due to its positive effects on my body and my love for the sun. I often feel sluggish and down during autumn, and I've noticed significant improvements after taking these vitamins. I chose a dosage of 2000 IU, as I hardly go outside and suffer from poor mood in colder months. Taking one small capsule in the morning has really helped lift my spirits and combat insomnia.
Read More
9
Increased energy
It arrived as expected! Since I started taking it, I feel energised. It's advisable to take vitamin D in the morning for better absorption, as taking it in the evening may cause insomnia. I highly recommend this product!
Read More
9
Enhanced vitality
It came as expected! I feel energised since I started taking it. Taking vitamin D in the morning is better for absorption and prevents insomnia in the evening due to increased energy. I recommend it.
Read More

Medical Researches

SCIENTIFIC SCORE
Moderately Effective
Based on 6 Researches
8.2
  • All Researches
9
Vitamin D improves insomnia symptoms
We aimed to understand how vitamin D, specifically in the form of 1,500 IU nano-encapsulated vitamin D fortified in dairy products, could influence insomnia symptoms and quality of life. By conducting a case series, we selected 29 adults suffering from insomnia, particularly those with abdominal obesity. They were divided into four groups receiving different treatments over the course of 10 weeks: fortified low-fat milk, unfortified simple milk, fortified low-fat yogurt, and unfortified yogurt.

After analyzing the results, we found that participants consuming the vitamin D fortified milk experienced significant improvements in their insomnia symptoms compared to those drinking unfortified milk. However, those consuming fortified or unfortified yogurt showed no notable difference. Additionally, both groups consuming milk—fortified and simple—reported enhanced quality of life, although this was not observed in the yogurt groups.

Overall, our findings suggest that low-fat milk with added vitamin D can be beneficial for alleviating insomnia symptoms and improving quality of life, confirming its potential therapeutic role in sleep disorders.
Read More
9
Vitamin D3 effects on insomnia unclear
We conducted a controlled study to understand the effects of vitamin D3, along with other components, on insomnia and other symptoms experienced by menopausal women. Over 24 weeks, participants took either a formulation that included vitamin D3 or a standard calcium and vitamin D3 supplement.

Throughout the study, we tracked various symptoms like insomnia and mood changes. We found that while the formulation containing vitamin D3 showed some promise for addressing hormonal symptoms such as hot flashes and mood disturbances, the specific impact of vitamin D3 on insomnia was not isolated enough to draw definitive conclusions.

Importantly, participants who took the formulation reported improvements in overall well-being and satisfaction compared to those on regular calcium and vitamin D3. However, determining the isolated benefits of vitamin D3 alone remains challenging, as it was part of a broader mix of ingredients aimed at alleviating multiple menopause-related symptoms.

Thus, while our findings highlight the potential benefits of a comprehensive approach, the role of vitamin D3 specifically on insomnia is still uncertain. Further studies would be needed to clarify its effectiveness.
Read More
8
Vitamin D's impact on sleep disorders
We explored the case of an emmetropic woman experiencing excessive daytime sleepiness alongside insomnia, which aligned with the criteria for a non-24 h sleep-wake disorder. After traditional treatments failed, we discovered deficiencies in vitamin B12, vitamin D3, and folic acid.

Upon supplementing these nutrients, we observed a restoration of a 24-hour sleep-wake rhythm in the participant. Interestingly, this improvement occurred independently of the natural light-dark cycle, raising questions about the specific impact of vitamin D on sleep patterns.

While our study underscores how addressing vitamin deficiencies can influence sleep, it also leaves us pondering whether vitamin D plays a direct role as an essential factor or if it merely acts as a concurrent indicator of overall health.
Read More
8
Vitamin D benefits for insomnia
We set out to explore the relationship between vitamin D and insomnia by examining how low-fat milk and yogurt fortified with 1,500 IU of nano-encapsulated vitamin D could improve sleep issues and overall quality of life.

In our analysis, we included adults with abdominal obesity and a history of insomnia, identifying twenty-nine participants through insomnia severity questionnaires. They were split into four groups: one receiving fortified low-fat milk, another with unfortified milk, a third group consuming fortified yogurt, and a fourth with unfortified yogurt. Over a ten-week period, we tracked changes in insomnia symptoms and quality of life.

Our findings revealed that those drinking the vitamin D fortified milk experienced significant improvements in insomnia scores compared to those consuming regular milk. Additionally, quality of life assessments showed positive changes for both fortified and unfortified milk groups. However, the yogurt groups did not demonstrate significant benefits, indicating that while fortified dairy has potential, yogurt may not be as effective in this context.

In conclusion, incorporating fortified low-fat milk into our diets could help ease insomnia symptoms and enhance life satisfaction, although yogurt did not show the same promise.
Read More
We studied how high-dose vitamin D3 supplementation might affect insomnia in adolescent girls. Over nine weeks, 940 participants received a weekly dose of 50,000 IU of vitamin D3 while we tracked changes in their sleep patterns.

Interestingly, we observed a notable reduction in insomnia rates after the treatment. The number of girls reporting insomnia dropped from 15.0% to 11.3%, indicating that this vitamin can potentially improve sleep quality.

We also noticed a slight decrease in daytime sleepiness, with cases falling from 15.6% to 14.7%. Furthermore, those experiencing both insomnia and sleepiness saw a decline from 8.0% to 6.1%.

These findings suggest that high-dose vitamin D can play a significant role in alleviating sleep issues among adolescent girls. However, further studies are needed to see if these effects are consistent across diverse age and gender groups.
Read More

User Reviews

USERS' SCORE
Good
Based on 37 Reviews
8.8
  • All Reviews
  • Positive Reviews
  • Negative Reviews
9
Improved mood
I decided to take vitamin D due to its positive effects on my body and my love for the sun. I often feel sluggish and down during autumn, and I've noticed significant improvements after taking these vitamins. I chose a dosage of 2000 IU, as I hardly go outside and suffer from poor mood in colder months. Taking one small capsule in the morning has really helped lift my spirits and combat insomnia.
Read More
9
Increased energy
It arrived as expected! Since I started taking it, I feel energised. It's advisable to take vitamin D in the morning for better absorption, as taking it in the evening may cause insomnia. I highly recommend this product!
Read More
9
Enhanced vitality
It came as expected! I feel energised since I started taking it. Taking vitamin D in the morning is better for absorption and prevents insomnia in the evening due to increased energy. I recommend it.
Read More
10
Restored energy
Wonderful! I was struggling with chronic insomnia and fatigue. This vitamin has truly transformed my life. After over a month of use, I've regained my energy and inner peace!
Read More
9.5
Energising effects
This vitamin has been a lifesaver for me. I had chronic fatigue and insomnia, which caused numerous health issues. It delivers an intense burst of energy and has greatly improved my quality of life.
Read More

Frequently Asked Questions

Insomnia is a common sleep disorder characterized by the inability to fall asleep, stay asleep, or wake up too early and not be able to go back to sleep. Individuals experiencing insomnia may find that it affects their daytime functioning, leading to issues such as fatigue, mood disturbances, and difficulty concentrating. Insomnia can be classified into two main types: acute insomnia, which lasts for a short period often triggered by stress or life changes, and chronic insomnia, which occurs at least three times a week for three months or longer, and may require more in-depth evaluation and treatment.

Numerous factors can contribute to insomnia, including stress, anxiety, poor sleep habits, medical conditions, and the use of certain medications. Treatment for insomnia typically involves a combination of lifestyle changes, cognitive behavioral therapy for insomnia (CBT-I), and sometimes medication. Establishing a consistent sleep routine, creating a comfortable sleep environment, and practicing relaxation techniques can help improve sleep quality. If insomnia persists, it is advisable to consult a healthcare professional for proper diagnosis and customized treatment options.

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 garnered attention for its potential role in sleep regulation, with some studies suggesting that there may be a link between vitamin D levels and sleep quality, including insomnia. While vitamin D is crucial for overall health, its specific impact on sleep patterns is still being examined. Some research indicates that individuals with low levels of vitamin D are more likely to report sleep disturbances, including insomnia. However, it is important to note that while vitamin D supplementation may benefit those with a deficiency, its effectiveness in alleviating insomnia symptoms directly is not yet conclusively established.

If you're considering vitamin D as a potential aid for insomnia, it's best to consult with a healthcare provider. They can assess your vitamin D levels and determine if supplementation is appropriate for you. Additionally, addressing other factors that contribute to insomnia, such as stress management and sleep hygiene practices, may yield more immediate results in improving sleep quality. While vitamin D could play a supporting role in sleep health, relying solely on it for treating insomnia may not be sufficient.

Users report varying timelines for seeing results while taking vitamin D to address insomnia. Many users indicate they begin to notice improvements in their sleep quality and overall mood after a period of three to four weeks of consistent use. For example, one user mentioned significant improvements in mood and insomnia after approximately three to four weeks of taking the vitamin (Read Review). Another user noted that after about a month, they experienced better sleep and felt more alert during the day (Read Review).

Research on vitamin D supplementation indicates a potential benefit for managing insomnia symptoms, although the results can vary based on context and individual factors. A study involving adults with insomnia found that those consuming vitamin D fortified low-fat milk experienced significant improvements in their insomnia scores compared to those consuming unfortified dairy. Over a ten-week period, participants reported better sleep quality and overall life satisfaction, pointing toward the efficacy of fortified dairy products in addressing insomnia [5]. Furthermore, another study on adolescent girls revealed that high doses of vitamin D3 led to a notable reduction in insomnia rates, suggesting that vitamin D could play a significant role in alleviating sleep issues among this demographic [4].

However, the exact mechanisms and broader applicability of vitamin D for insomnia remain uncertain. For instance, a case analysis highlighted improvements in sleep patterns with vitamin D supplementation in a woman experiencing insomnia tied to vitamin deficiencies, yet the research raises questions about whether vitamin D directly influences sleep or simply correlates with overall health status [1]. Additionally, findings from a study on menopausal women indicated improvements in overall well-being with vitamin D3, but the effects on insomnia specifically were not conclusively established [6]. Thus, while there is support for the use of vitamin D in combating insomnia, further research is essential to fully ascertain its effectiveness across different populations and contexts.

Users report a range of symptom improvements after incorporating vitamin D into their daily routines, particularly in combating insomnia and enhancing mood. For instance, one reviewer shared that after taking vitamin D for just over a month, they experienced a remarkable transformation in their chronic insomnia and fatigue, stating they regained energy and a sense of inner peace (Read Review). Many others echoed similar sentiments, noting heightened energy levels and improved sleep quality after three to four weeks of consistent usage (Read Review).

Additionally, users have mentioned enhanced moods and reduced irritability, especially during the darker autumn and winter months. For example, one reviewer highlighted that their mood improved notably in colder months after beginning the supplement (Read Review). Others reported an increased feeling of well-being, with some stating that they felt more balanced and healthier while taking vitamin D (Read Review). However, it's important to keep in mind that individual results can vary, and while some users see significant improvements, others may experience different outcomes.

Based on user reviews, many individuals have reported positive outcomes when combining vitamin D with other supplements to address insomnia. Users frequently recommend pairing vitamin D with magnesium, citing that this combination enhances absorption and overall effectiveness in combating insomnia (Read Review). Several reviewers emphasize the importance of timing, suggesting that taking vitamin D in the morning, alongside fatty foods, can prevent insomnia and improve energy levels throughout the day (review id='446596d0-0df0-4150-89c8-b124e8708cc7'; review id='1f49d540-3166-4958-b3cb-2627d95a9f00').

Additionally, users have shared how consistently taking vitamin D, especially when paired with other nutrients, has markedly improved their sleep quality and reduced insomnia symptoms. A number of reviewers highlighted that after a month of taking the supplement, they experienced significant improvements in mood and sleep, further suggesting that a strategic approach to supplementation might yield better results (review id='05ea5e1f-16b2-4a62-bac8-89e67e2fab32'; review id='1f49d540-3166-4958-b3cb-2627d95a9f00'). Overall, the combination of vitamin D with other supplements, especially when carefully timed and dosed, has garnered positive feedback from users aiming to tackle insomnia effectively.

The research on the optimal dose of Vitamin D for treating insomnia suggests that high doses may be particularly effective. One study involving adolescent girls indicated that a weekly supplement of 50,000 IU of Vitamin D3 resulted in a notable reduction in insomnia rates, from 15.0% down to 11.3% over a nine-week period [4]. This finding implies that high-dose Vitamin D could help improve sleep quality significantly among certain populations, although further studies are needed to determine the efficacy across different age and gender groups.

Additionally, another study explored the use of fortified dairy products containing 1,500 IU of nano-encapsulated Vitamin D, which showed improvements in insomnia symptoms when included in the diet [5]. While the results indicate that such fortified dairy can be beneficial for easing insomnia, the more substantial benefit comes from higher doses. Overall, while doses around 1,500 IU may help, those seeking more pronounced effects might consider much higher doses as evidenced by the aforementioned research.

8.8
Improved mood
The key to a good mood! I take 2000 IU daily, as I live in a city and walk little. I've noticed a significant improvement in mood after about 3-4 weeks of taking vitamin D3. I find it easier to wake up in the morning, and my thoughts have become more positive. My hair has also improved, and I've avoided dry skin this winter. I highly recommend these vitamins; they have helped immensely with my mood and wellbeing, particularly in countering insomnia.
7.5
Sleep improvement
After a month of taking vitamin D, my insomnia has improved; I now only wake up once a night. I feel much more alert during the day. I intend to keep taking it, as it has made a noticeable difference.
10
Restored energy
Wonderful! I was struggling with chronic insomnia and fatigue. This vitamin has truly transformed my life. After over a month of use, I've regained my energy and inner peace!
8.8
Mood enhancement
The sun is in capsules! Vitamin D3 deficiency is widespread, and sun exposure isn’t always sufficient. I take one capsule daily in the morning to avoid insomnia. Since using it, my mood has notably improved during the autumn and winter months. I recommend everyone to monitor their health and consider taking vitamin D3 as it has considerably uplifted my spirits!
8.8
Reduced irritability
I purchase the 2000 IU vitamin D for summer use. It effectively replenishes my vitamin D levels, enhancing all bodily systems, including the nervous system. Notably, it alleviates irritability and insomnia. I feel more balanced and healthy while taking this supplement.
8.8
Avoids insomnia
Vitamin D3 is crucial for health. I take one 2000 IU capsule daily in the morning to prevent insomnia. Given its fat-soluble nature, it’s best consumed with a fatty meal for optimal absorption. Magnesium complements it well. I recommend this supplement for its essential benefits!
9
Vitamin D improves insomnia symptoms
We aimed to understand how vitamin D, specifically in the form of 1,500 IU nano-encapsulated vitamin D fortified in dairy products, could influence insomnia symptoms and quality of life. By conducting a case series, we selected 29 adults suffering from insomnia, particularly those with abdominal obesity. They were divided into four groups receiving different treatments over the course of 10 weeks: fortified low-fat milk, unfortified simple milk, fortified low-fat yogurt, and unfortified yogurt.

After analyzing the results, we found that participants consuming the vitamin D fortified milk experienced significant improvements in their insomnia symptoms compared to those drinking unfortified milk. However, those consuming fortified or unfortified yogurt showed no notable difference. Additionally, both groups consuming milk—fortified and simple—reported enhanced quality of life, although this was not observed in the yogurt groups.

Overall, our findings suggest that low-fat milk with added vitamin D can be beneficial for alleviating insomnia symptoms and improving quality of life, confirming its potential therapeutic role in sleep disorders.
We studied how high-dose vitamin D3 supplementation might affect insomnia in adolescent girls. Over nine weeks, 940 participants received a weekly dose of 50,000 IU of vitamin D3 while we tracked changes in their sleep patterns.

Interestingly, we observed a notable reduction in insomnia rates after the treatment. The number of girls reporting insomnia dropped from 15.0% to 11.3%, indicating that this vitamin can potentially improve sleep quality.

We also noticed a slight decrease in daytime sleepiness, with cases falling from 15.6% to 14.7%. Furthermore, those experiencing both insomnia and sleepiness saw a decline from 8.0% to 6.1%.

These findings suggest that high-dose vitamin D can play a significant role in alleviating sleep issues among adolescent girls. However, further studies are needed to see if these effects are consistent across diverse age and gender groups.
8
Vitamin D's impact on sleep disorders
We explored the case of an emmetropic woman experiencing excessive daytime sleepiness alongside insomnia, which aligned with the criteria for a non-24 h sleep-wake disorder. After traditional treatments failed, we discovered deficiencies in vitamin B12, vitamin D3, and folic acid.

Upon supplementing these nutrients, we observed a restoration of a 24-hour sleep-wake rhythm in the participant. Interestingly, this improvement occurred independently of the natural light-dark cycle, raising questions about the specific impact of vitamin D on sleep patterns.

While our study underscores how addressing vitamin deficiencies can influence sleep, it also leaves us pondering whether vitamin D plays a direct role as an essential factor or if it merely acts as a concurrent indicator of overall health.
9
Vitamin D3 effects on insomnia unclear
We conducted a controlled study to understand the effects of vitamin D3, along with other components, on insomnia and other symptoms experienced by menopausal women. Over 24 weeks, participants took either a formulation that included vitamin D3 or a standard calcium and vitamin D3 supplement.

Throughout the study, we tracked various symptoms like insomnia and mood changes. We found that while the formulation containing vitamin D3 showed some promise for addressing hormonal symptoms such as hot flashes and mood disturbances, the specific impact of vitamin D3 on insomnia was not isolated enough to draw definitive conclusions.

Importantly, participants who took the formulation reported improvements in overall well-being and satisfaction compared to those on regular calcium and vitamin D3. However, determining the isolated benefits of vitamin D3 alone remains challenging, as it was part of a broader mix of ingredients aimed at alleviating multiple menopause-related symptoms.

Thus, while our findings highlight the potential benefits of a comprehensive approach, the role of vitamin D3 specifically on insomnia is still uncertain. Further studies would be needed to clarify its effectiveness.

References

  1. Radlberger RF, Kunz AB. Vitamin D deficiency promoting non-24 h sleep-wake disorder: a case report. Front Neurol. 2023;14:1141835. doi:10.3389/fneur.2023.1141835
  2. Sharifan P, Khoshakhlagh M, Khorasanchi Z, Darroudi S, Rezaie M, et al. Efficacy of low-fat milk and yogurt fortified with encapsulated vitamin D on improvement in symptoms of insomnia and quality of life: Evidence from the SUVINA trial. Food Sci Nutr. 2020;8:4484. doi:10.1002/fsn3.1750
  3. Zhang HJ, Zhang JR, Mao CJ, Li K, Wang F, et al. Relationship between 25-Hydroxyvitamin D, bone density, and Parkinson's disease symptoms. Acta Neurol Scand. 2019;140:274. doi:10.1111/ane.13141
  4. Bahrami A, Rezaeitalab F, Farahmand SK, Mazloum Khorasani Z, Arabi SM, et al. High-dose Vitamin D Supplementation and Improvement in Cognitive Abilities, Insomnia, and Daytime Sleepiness in Adolescent Girls. Basic Clin Neurosci. 2021;12:339. doi:10.32598/bcn.2021.1910.1
  5. Sharifan P, Khoshakhlagh M, Khorasanchi Z, Darroudi S, Rezaie M, et al. Efficacy of low-fat milk and yogurt fortified with encapsulated vitamin D on improvement in symptoms of insomnia and quality of life: Evidence from the SUVINA trial. Food Sci Nutr. 2020;8:4484. doi:10.1002/fsn3.1750
  6. Mucci M, Carraro C, Mancino P, Monti M, Papadia LS, et al. Soy isoflavones, lactobacilli, Magnolia bark extract, vitamin D3 and calcium. Controlled clinical study in menopause. Minerva Ginecol. 2006;58:323.
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