Overview

SCIENTIFIC SCORE
No researches found
N/A
USERS' SCORE
Good
Based on 8 Reviews
8.6
Supplement Facts
Serving Size: 1 Tablet
Amount Per Serving
%DV
Vitamin B-12 (as Cyanocobalamin)
2,500 mcg
104,167%

Most Useful Reviews

9.5
Fast recovery
I experienced severe back pain due to sleep apnea which made movement impossible. By day three of taking this vitamin, the pain lessened, and after ten days, it had completely disappeared. My sleep also improved considerably, although I continue taking magnesium. The vitamin is small and dissolves quickly, tasting like fruity ascorbic acid. They truly work!
Read More
9.5
Cravings reduced
Excellent! My sleep improved by the third day, and I stopped craving sweets from the first day due to my sleep apnea. The sublingual lozenges are a very convenient and effective solution.
Read More
7
Improved quality
It helps with my sleep quality. Before bedtime, I place one pill under my tongue to dissolve. It’s been beneficial for my sleep apnea.
Read More

User Reviews

USERS' SCORE
Good
Based on 8 Reviews
8.6
  • All Reviews
  • Positive Reviews
  • Negative Reviews
9.5
Fast recovery
I experienced severe back pain due to sleep apnea which made movement impossible. By day three of taking this vitamin, the pain lessened, and after ten days, it had completely disappeared. My sleep also improved considerably, although I continue taking magnesium. The vitamin is small and dissolves quickly, tasting like fruity ascorbic acid. They truly work!
Read More
9.5
Cravings reduced
Excellent! My sleep improved by the third day, and I stopped craving sweets from the first day due to my sleep apnea. The sublingual lozenges are a very convenient and effective solution.
Read More
7
Improved quality
It helps with my sleep quality. Before bedtime, I place one pill under my tongue to dissolve. It’s been beneficial for my sleep apnea.
Read More
9.5
Reduced fatigue
Over recent years, I have experienced chronic fatigue linked to sleep apnea and nerve tingling. Following my doctor’s advice, I took a high dose of vitamin B12. Within a month, the nerve pain subsided and my sleep quality improved. I don’t tire easily now. 21st Century B12 is cost-effective, and I intend to continue with it.
Read More
7.5
Pain management
I take this for my neuropathy, which has caused sleep apnea in the past. After several months of consistent morning intake, I can now sleep through even mild leg pain.
Read More

Frequently Asked Questions

Sleep apnea is a common and potentially serious sleep disorder characterized by irregular breathing patterns during sleep. Individuals with sleep apnea experience episodes of disrupted or paused breathing, which can occur multiple times throughout the night. These interruptions can last a few seconds to several minutes and often lead to fragmented sleep, which may result in excessive daytime sleepiness, irritability, and difficulty concentrating. The condition can be broadly classified into two main types: obstructive sleep apnea (OSA), caused by a blockage of the upper airway, and central sleep apnea (CSA), which occurs when the brain fails to send the proper signals to the muscles that control breathing.

The diagnosis of sleep apnea typically involves a sleep study, either conducted in a sleep clinic or at home using portable monitoring devices. Treatment options vary depending on the severity of the condition but may include lifestyle changes, the use of continuous positive airway pressure (CPAP) machines, oral appliances, or even surgery in some cases. If left untreated, sleep apnea can lead to various health complications, including cardiovascular issues, metabolic disorders, and impaired cognitive function, making it essential to consult a healthcare professional if you suspect you or someone you know may be affected by this disorder.

Vitamin B12, also known as cobalamin, is a water-soluble vitamin that plays a crucial role in several vital functions in the human body. It is essential for red blood cell formation, neurological function, and DNA synthesis. Naturally occurring in animal products, the vitamin can be found in high concentrations in meat, fish, eggs, and dairy, making it particularly important for those following a vegetarian or vegan diet, as plant-based sources of B12 are limited and often require supplementation.

A deficiency in vitamin B12 can lead to serious health issues, including anemia, fatigue, memory problems, and nerve damage. Due to its significance, it's crucial for individuals, particularly those at risk of deficiency, to ensure adequate intake through diet or supplementation. For most adults, the recommended daily allowance (RDA) is around 2.4 micrograms, though pregnant or breastfeeding women may require higher amounts. If you're considering B12 supplements, it's advisable to consult with a healthcare provider to determine the best option for your specific needs and health status.

Based on user reviews, it appears that many individuals begin to experience positive effects from the supplement within just a few days. For instance, one user noted significant improvements in sleep quality by the third day of use, highlighting a considerable reduction in back pain associated with sleep apnea within the same timeframe (Read Review). Similarly, another user reported an enhancement in their sleep just after the third day, alongside a decrease in cravings (Read Review).

That said, some users indicate that more substantial improvements might take a longer duration to manifest. One user mentioned a complete alleviation of nerve pain and better sleep quality after about a month of consistent supplementation (Read Review). Another individual found they had improved sleep quality after a week of melatonin use (Read Review). Therefore, while initial benefits can be seen within a few days, a longer period of usage may be necessary for some users to fully appreciate the advantages of the supplement.

Based on user reviews, many individuals report noticeable improvements in their symptoms after incorporating this supplement into their routine. For example, several users have mentioned experiencing significant relief from back pain associated with sleep apnea within just a few days of starting the vitamin. One user noted a substantial reduction in pain by the third day, eventually leading to a complete alleviation of discomfort after ten days (Read Review) (Read Review). Additionally, another reviewer experienced an improvement in sleep quality by the third day and attributed a decrease in cravings to the supplement (Read Review).

Moreover, some users have reported longer-term benefits, such as reduced nerve pain and enhanced overall sleep quality after consistent usage over weeks or months. A user experiencing chronic fatigue related to sleep apnea mentioned that after a month of taking a high dose of vitamin B12, much of their discomfort had subsided, and they no longer felt easily fatigued (Read Review). Despite the variation in individual results, it is clear that many have found significant relief and better sleep quality when using this supplement, indicating its potential effectiveness for those dealing with similar issues.

Based on user reviews, many individuals have reported positive experiences when combining this supplement with other products for managing sleep apnea. For instance, one user noted that alongside taking the vitamin, they continued using magnesium, which seemed to further enhance their sleep quality (Read Review). Another user, who experienced chronic fatigue and chose to supplement with high doses of vitamin B12, reported significant improvements in nerve pain and sleep quality over a month, suggesting the benefits of supplement stacking (Read Review).

Moreover, several reviewers highlighted the effectiveness of combining this supplement with melatonin. One user shared that after starting melatonin in conjunction with their other regimen, they noticed improved sleep quality within a week, reinforcing the idea that certain combinations might yield better results for sleep apnea relief (Read Review). In general, the reviews reflect a trend where users are finding effective synergy in combining this supplement with others to manage their sleep apnea symptoms more comprehensively.

Based on user reviews, there appears to be a consensus that B12 can be beneficial for managing symptoms associated with sleep apnea. Several users reported significant improvements in sleep quality and a decrease in discomfort related to sleep apnea after starting B12 supplementation. For instance, one user noted that within three days of taking B12, they experienced reduced back pain and improved sleep, while another mentioned that their sleep quality improved markedly after a month of high-dose B12 as advised by their doctor (Read Review) (Read Review).

Most users didn’t specify precise dosages; however, they emphasized the effectiveness of sublingual forms or quick-dissolving lozenges for better absorption. One reviewer highlighted taking the vitamin under the tongue before bedtime, which they found to be particularly beneficial (Read Review). Overall, the reports suggest that B12 might serve as a practical supplement for individuals suffering from sleep apnea, particularly when incorporated following medical guidance.

9.5
Fast recovery
I experienced severe back pain due to sleep apnea which made movement impossible. By day three of taking this vitamin, the pain lessened, and after ten days, it had completely disappeared. My sleep also improved considerably, although I continue taking magnesium. The vitamin is small and dissolves quickly, tasting like fruity ascorbic acid. They truly work!
9.5
Cravings reduced
Excellent! My sleep improved by the third day, and I stopped craving sweets from the first day due to my sleep apnea. The sublingual lozenges are a very convenient and effective solution.
9.5
Reduced fatigue
Over recent years, I have experienced chronic fatigue linked to sleep apnea and nerve tingling. Following my doctor’s advice, I took a high dose of vitamin B12. Within a month, the nerve pain subsided and my sleep quality improved. I don’t tire easily now. 21st Century B12 is cost-effective, and I intend to continue with it.
8.8
Better sleep
Due to frequent stress and sleep apnea, I struggled with sleep. I decided to try melatonin from this brand, knowing the effects wouldn't be immediate. After about a week, I noticed improved sleep quality. I take one tablet 30-40 minutes before bedtime. The capsules are of standard size, have a neutral taste, and are easy to swallow.
9
Pain relief
Cool vitamin. I suffered from unbearable back pain at night due to sleep apnea. By the third day of use, the pain had significantly reduced, and after ten days it vanished completely. My sleep quality improved greatly, although I still take magnesium. The vitamin is small, dissolves quickly under the tongue, and has a fruity taste. They really work! I didn't expect such a rapid effect.
7
Improved quality
It helps with my sleep quality. Before bedtime, I place one pill under my tongue to dissolve. It’s been beneficial for my sleep apnea.
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