Overview

SCIENTIFIC SCORE
Possibly Effective
Based on 9 Researches
7.3
USERS' SCORE
Good
Based on 58 Reviews
8.2
Supplement Facts
Serving Size:  3 Caplets
Amount Per Serving
%DV
Vitamin D (as D3 Cholecalciferol)
15 mcg (600 IU)
75%
Calcium  (as Calcium Carbonate and Calcium Gluconate)
1,000 mg
77%
Magnesium  (as Magnesium Oxide and Magnesium Gluconate)
400 mg
95%
Zinc (as Zinc Gluconate and Zinc Citrate)
25 mg
227%
Sodium
10 mg
<1%

Top Medical Research Studies

We aimed to explore the connection between Vitamin D levels and excessive daytime sleepiness in patients diagnosed with obstructive sleep apnea (OSA). In this study, we analyzed serum Vitamin D levels in a group of newly diagnosed OSA patients, dividing them into two categories: those who experienced excessive daytime sleepiness (EDS) and those who did not.

Our findings indicated that patients with EDS had significantly lower levels of Vitamin D compared to their non-somnolent counterparts. The study showed that lower Vitamin D levels correlated with higher apnea-hypopnea indices (AHI) and lower oxyhemoglobin saturation during sleep. This suggests that sleep-related hypoxia may impact Vitamin D status and contribute to sleepiness.

Moreover, our analysis indicated that lower Vitamin D levels were independent predictors of EDS. This further emphasizes the potential role of Vitamin D in managing sleep quality for these patients. In summary, our study highlights an important association between Vitamin D levels and daytime sleepiness in people with sleep apnea, suggesting that improving Vitamin D status could be beneficial for managing EDS in these individuals.
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We explored the connection between vitamin D levels and obstructive sleep apnea (OSA) severity in a group of 262 adults who were diagnosed with OSA through polysomnography (a type of sleep study). Our aim was to understand if vitamin D deficiency could influence the severity of sleep apnea symptoms, particularly given the growing evidence linking these two health issues.

In our findings, we observed that 63% of participants had low vitamin D levels, which were associated with increased severity of OSA. The results showed a negative correlation between vitamin D levels and key sleep parameters, meaning that lower vitamin D was linked to worse apnea-hypopnea indices, which measure the frequency of breathing interruptions.

Notably, when we adjusted for various factors like age, sex, and body mass index, our analysis revealed that individuals with higher vitamin D levels had lower chances of experiencing severe OSA. Conversely, those with vitamin D deficiency were nearly three times more likely to have severe symptoms, particularly in individuals over 50 or those categorized as obese.

This study suggests that maintaining adequate vitamin D levels might be important in managing OSA severity. However, it’s essential to note that we did not specifically examine the effects of vitamin D treatment, so more research is needed to determine whether increasing vitamin D can effectively improve sleep apnea outcomes.

Overall, our work highlights the potential role of vitamin D as a modifiable factor in the complex management of obstructive sleep apnea and its symptoms.
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9
Zinc protects heart function in OSA
We explored how zinc affects heart function in the context of obstructive sleep apnea (OSA), specifically focusing on cases of intermittent hypoxia (IH). In a detailed study using male rats, researchers set up different groups: a control group and one that underwent 10 weeks of exercise training. Half of the rats in both groups were exposed to IH conditions to simulate the effects of sleep apnea.

The results were eye-opening. Rats that experienced IH showed notable impairment in their heart's left ventricular function, characterized by reduced ejection fraction and increased inflammation. However, when treated with zinc, these negative effects were significantly countered. Notably, those who exercised and received zinc treatment displayed improved heart function and antioxidant capabilities compared to their counterparts that did not receive zinc.

On the flip side, exercise alone did not provide the same protective benefits when zinc was absent. The findings suggest that zinc is essential not only for the heart's protection against the damaging effects of IH but also enhances the benefits of physical exercise. This research indicates the importance of zinc in potentially managing heart health in individuals suffering from sleep apnea.
Read More

Most Useful Reviews

8.3
Calmer nights
This supplement is irreplaceable. I've managed stress better, fallen asleep faster, and my sleep is now deeper and calmer, helping me avoid issues with sleep apnea.
Read More
9.5
Improved sleep quality
A good complex, my leg cramps have disappeared, and my sleep has improved within a week of taking it. Thank you for the quality!
Read More
9.5
Faster to sleep
This super complex was ordered due to sleep issues and convulsions. After a week, I can now fall asleep faster, and my cramps have improved. My daughter, who is breastfeeding, has also become calmer and sleeps longer.
Read More

Medical Researches

SCIENTIFIC SCORE
Possibly Effective
Based on 9 Researches
7.3
  • All Researches
We embarked on an intriguing study to see how an eight-week weight loss and lifestyle intervention could influence vitamin D levels in men suffering from obstructive sleep apnea (OSA). Our group of 89 men was split into two; one group received usual care, while the second group engaged in the lifestyle program alongside their standard treatment.

After this intervention, we observed some promising results regarding vitamin D levels. Specifically, the intervention group showed a significant increase in serum 25-hydroxyvitamin D (25(OH)D) levels, with improvements noted at both the end of the 8 weeks and six months later. Indeed, their vitamin D deficiency was potentially resolved.

Moreover, we found that these higher vitamin D levels correlated with better sleep quality, as evidenced by increased sleep efficiency and improvements in several sleep metrics, such as the apnea-hypopnea index (AHI) and oxygen desaturation index. Additionally, body composition measurements, including fat mass, also showed positive changes.

In conclusion, our findings suggest that a coordinated approach combining weight loss and lifestyle changes can be beneficial not just for vitamin D status, but also for overall health aspects related to obstructive sleep apnea.
Read More
9
Zinc protects heart function in OSA
We explored how zinc affects heart function in the context of obstructive sleep apnea (OSA), specifically focusing on cases of intermittent hypoxia (IH). In a detailed study using male rats, researchers set up different groups: a control group and one that underwent 10 weeks of exercise training. Half of the rats in both groups were exposed to IH conditions to simulate the effects of sleep apnea.

The results were eye-opening. Rats that experienced IH showed notable impairment in their heart's left ventricular function, characterized by reduced ejection fraction and increased inflammation. However, when treated with zinc, these negative effects were significantly countered. Notably, those who exercised and received zinc treatment displayed improved heart function and antioxidant capabilities compared to their counterparts that did not receive zinc.

On the flip side, exercise alone did not provide the same protective benefits when zinc was absent. The findings suggest that zinc is essential not only for the heart's protection against the damaging effects of IH but also enhances the benefits of physical exercise. This research indicates the importance of zinc in potentially managing heart health in individuals suffering from sleep apnea.
Read More
We embarked on a large-scale study to understand how vitamin D influences obstructive sleep apnea (OSA), especially in those who are obese. Analyzing data from nearly 445,000 participants from the UK Biobank, we focused on individuals who had no previous diagnosis of OSA. The key outcome was the development of new cases of OSA over an average follow-up of 12 years.

What we found was intriguing: higher serum levels of 25-hydroxyvitamin D, the main form of vitamin D in the bloodstream, were associated with a reduced risk of developing new-onset OSA, particularly in participants struggling with obesity. Those with both a body mass index (BMI) of 25 or higher and waist circumference measurements of 90 cm or more showed a significant inverse relationship. This suggests that those with these characteristics might benefit more from maintaining higher vitamin D levels.

The results indicate that while vitamin D supplementation on its own wasn't tested, our findings certainly highlight its potential role in preventing OSA, particularly in at-risk populations. It's a reminder of the importance of monitoring and maintaining adequate vitamin D levels, especially for those dealing with obesity.
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7
We conducted a study aimed at understanding how vitamin D3 might influence obstructive sleep apnea (OSA), particularly in hypertensive, obese patients. The research carefully examined the potential benefits of combining vitamin D3 with a medication called Dapagliflozin, a type of SGLT-2 inhibitor known for its additional cardiovascular advantages.

Over 16 weeks, participants were divided into four groups: those receiving Dapagliflozin, those receiving vitamin D3, those receiving both treatments, and a control group that received no treatment. We looked at a range of health parameters, including weight, blood sugar levels, and quality of life scores, to assess the overall impact of these treatments.

Our findings revealed positive outcomes from using vitamin D3 alongside SGLT-2 inhibitors, suggesting that this combination therapy could help improve cardiac and metabolic health, as well as quality of life in patients struggling with OSA. However, we acknowledged the need for further studies to isolate the specific effects of vitamin D on sleep apnea independently from the benefits provided by the medication.
Read More
We aimed to explore the connection between Vitamin D levels and excessive daytime sleepiness in patients diagnosed with obstructive sleep apnea (OSA). In this study, we analyzed serum Vitamin D levels in a group of newly diagnosed OSA patients, dividing them into two categories: those who experienced excessive daytime sleepiness (EDS) and those who did not.

Our findings indicated that patients with EDS had significantly lower levels of Vitamin D compared to their non-somnolent counterparts. The study showed that lower Vitamin D levels correlated with higher apnea-hypopnea indices (AHI) and lower oxyhemoglobin saturation during sleep. This suggests that sleep-related hypoxia may impact Vitamin D status and contribute to sleepiness.

Moreover, our analysis indicated that lower Vitamin D levels were independent predictors of EDS. This further emphasizes the potential role of Vitamin D in managing sleep quality for these patients. In summary, our study highlights an important association between Vitamin D levels and daytime sleepiness in people with sleep apnea, suggesting that improving Vitamin D status could be beneficial for managing EDS in these individuals.
Read More

User Reviews

USERS' SCORE
Good
Based on 58 Reviews
8.2
  • All Reviews
  • Positive Reviews
  • Negative Reviews
8.3
Calmer nights
This supplement is irreplaceable. I've managed stress better, fallen asleep faster, and my sleep is now deeper and calmer, helping me avoid issues with sleep apnea.
Read More
9.5
Improved sleep quality
A good complex, my leg cramps have disappeared, and my sleep has improved within a week of taking it. Thank you for the quality!
Read More
9.5
Faster to sleep
This super complex was ordered due to sleep issues and convulsions. After a week, I can now fall asleep faster, and my cramps have improved. My daughter, who is breastfeeding, has also become calmer and sleeps longer.
Read More
9.5
Sleep enhancement advice
I want to caution those reading reviews; on the second day of taking these vitamins, I noticed their strong effect—I fall asleep within an hour. Magnesium is better taken in the evening for stronger sleep.
Read More
9.5
Improved sleep quality
Passed tests and the doctor advised me to take magnesium. I found this product online at a remarkable price. After two weeks, my sleep improved significantly, becoming calmer and more stress-resistant. I also recommended it to my parents, who experienced sleep disturbances after Covid. After three weeks, they also felt the benefits. Plus, the packaging is convenient, and the tablets are easy to swallow.
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Frequently Asked Questions

No FAQs are available for this product and symptom.

References

  1. Loh HH, Tay SP, Koa AJ, Yong MC, Said A, et al. Unveiling the benefits of Vitamin D3 with SGLT-2 inhibitors for hypertensive obese obstructive sleep apnea patients. J Transl Med. 2025;23:296. doi:10.1186/s12967-025-06312-w
  2. Vázquez-Lorente H, Herrera-Quintana L, Ruiz JR, Amaro-Gahete FJ, Carneiro-Barrera A. Impact of weight loss and lifestyle intervention on vitamin D in men with obstructive sleep apnea: The INTERAPNEA trial. Sleep Med. 2025;128:37. doi:10.1016/j.sleep.2025.01.011
  3. Archontogeorgis K, Economou NT, Bargiotas P, Nena E, Voulgaris A, et al. Sleepiness and Vitamin D Levels in Patients with Obstructive Sleep Apnea. Healthcare (Basel). 2024;12. doi:10.3390/healthcare12060698
  4. Yao N, Ma C, Dou R, Shen C, Yuan Y, et al. Exploring the link between vitamin D deficiency and obstructive sleep apnea: A comprehensive review. J Sleep Res. 2024;33:e14166. doi:10.1111/jsr.14166
  5. Kechribari I, Kontogianni MD, Georgoulis M, Lamprou K, Perraki E, et al. Associations between Vitamin D Status and Polysomnographic Parameters in Adults with Obstructive Sleep Apnea. Life (Basel). 2024;14. doi:10.3390/life14020275
  6. Zhang Y, Zhang Y, Ye Z, Zhou C, Yang S, et al. Relationship of serum 25-hydroxyvitamin D, obesity with new-onset obstructive sleep apnea. Int J Obes (Lond). 2024;48:218. doi:10.1038/s41366-023-01402-5
  7. Locci C, Ruiu A, Saderi L, Sotgiu G, Bassu S, et al. Relationships between 25-Hydroxyvitamin D Levels and Obstructive Sleep Apnea Severity in Children: An Observational Study. J Clin Med. 2023;12. doi:10.3390/jcm12031242
  8. Luo X, Tang M, Wei X, Peng Y. Association between magnesium deficiency score and sleep quality in adults: A population-based cross-sectional study. J Affect Disord. 2024;358:105. doi:10.1016/j.jad.2024.05.002
  9. Chen TI, Chen MY. Zinc Is Indispensable in Exercise-Induced Cardioprotection against Intermittent Hypoxia-Induced Left Ventricular Function Impairment in Rats. PLoS One. 2016;11:e0168600. doi:10.1371/journal.pone.0168600
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