' 
SCIENTIFIC SCORE
No researches found
N/A
USERS' SCORE
Very Good
Based on 8 Reviews
8.7
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!
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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.
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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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User Reviews
USERS' SCORE
Very Good
Based on 8 Reviews
8.7
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.
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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.
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.
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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.
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