Overview

SCIENTIFIC SCORE
Moderately Effective
Based on 5 Researches
8
USERS' SCORE
Good
Based on 8 Reviews
8.1
Supplement Facts
Serving Size: 1 Chewable Tablet
Amount Per Serving
%DV
Vitamin D3 (as Cholecalciferol) (from Lanolin)
25 mcg (1,000 IU)
125%

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
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

Most Useful Reviews

9
Resolved insomnia issues
Excellent! This vitamin D really suited me. Previously, I experienced severe headaches and insomnia with other brands. Now, I take three tablets daily, and I'm feeling much better. I'm optimistic it will improve my test scores after the full course.
Read More
9
Normalized child's sleep
Perfect! I bought this vitamin for my child as they rarely consume food rich in vitamin D. The cholecalciferol form significantly helps during winter when needs increase. Since taking it, my child's sleep has improved and they enjoy the taste!
Read More
9
Insomnia stabilisation noted
Vitamin D3 aids insomnia, depression, and other conditions like menopause. It’s made from natural ingredients and enhances sleep quality. GABA improves sleep, and this product limits stress effects, leading to deeper sleep. The dosage is optimal, and I feel great.
Read More

Medical Researches

SCIENTIFIC SCORE
Moderately Effective
Based on 5 Researches
8
  • All Researches
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
We investigated the connection between vitamin D levels and insomnia among patients with Parkinson's disease (PD). In our study, which involved 182 PD patients compared to 185 healthy controls, we found that those with lower levels of serum vitamin D were more likely to experience insomnia.

Specifically, the results showed that patients with PD had significantly lower vitamin D levels than their healthy counterparts. Furthermore, those lower levels were associated with a higher frequency of falls and higher scores on the Pittsburgh Sleep Quality Index, which measures sleep disturbances.

Although we didn't identify a direct link between vitamin D and bone mineral density, the correlation with insomnia and overall sleep quality was notable. This suggests that vitamin D supplementation could serve as a beneficial strategy for improving non-motor symptoms, including sleep issues, in PD patients.
Read More

User Reviews

USERS' SCORE
Good
Based on 8 Reviews
8.1
  • All Reviews
  • Positive Reviews
  • Negative Reviews
9
Resolved insomnia issues
Excellent! This vitamin D really suited me. Previously, I experienced severe headaches and insomnia with other brands. Now, I take three tablets daily, and I'm feeling much better. I'm optimistic it will improve my test scores after the full course.
Read More
9
Normalized child's sleep
Perfect! I bought this vitamin for my child as they rarely consume food rich in vitamin D. The cholecalciferol form significantly helps during winter when needs increase. Since taking it, my child's sleep has improved and they enjoy the taste!
Read More
9
Insomnia stabilisation noted
Vitamin D3 aids insomnia, depression, and other conditions like menopause. It’s made from natural ingredients and enhances sleep quality. GABA improves sleep, and this product limits stress effects, leading to deeper sleep. The dosage is optimal, and I feel great.
Read More
9
No side effects experienced
This excellent vitamin D is vital for health; it supports the nerves, absorbs calcium, and strengthens bones. I take it with fatty foods to avoid insomnia. The quality is superb, and there have been no allergies or side effects for me.
Read More
9
No insomnia issues
This vitamin D3 is exceptional and hasn't caused me insomnia like other brands have.
Read More

Frequently Asked Questions

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.
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.
We investigated the connection between vitamin D levels and insomnia among patients with Parkinson's disease (PD). In our study, which involved 182 PD patients compared to 185 healthy controls, we found that those with lower levels of serum vitamin D were more likely to experience insomnia.

Specifically, the results showed that patients with PD had significantly lower vitamin D levels than their healthy counterparts. Furthermore, those lower levels were associated with a higher frequency of falls and higher scores on the Pittsburgh Sleep Quality Index, which measures sleep disturbances.

Although we didn't identify a direct link between vitamin D and bone mineral density, the correlation with insomnia and overall sleep quality was notable. This suggests that vitamin D supplementation could serve as a beneficial strategy for improving non-motor symptoms, including sleep issues, in PD patients.
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.
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.

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. 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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