Overview

SCIENTIFIC SCORE
Moderately Effective
Based on 21 Researches
8.2
USERS' SCORE
Excellent
Based on 8 Reviews
9
Supplement Facts
Serving Size: 1 Nugget
Amount Per Serving
%DV
Vitamin B12 (as methylcobalamin)
5,000 mcg
208,333%

Top Medical Research Studies

We explored the case of a 23-month-old boy suffering from severe pancytopenia linked to Imerslund-Gräsbeck syndrome, a rare condition caused by an inability to absorb vitamin B12. Upon diagnosis, the boy received vitamin B12 replacement therapy, which effectively addressed his symptoms and improved his health.

This case highlights the significance of early detection and treatment of IGS to avoid potential neurological damage. It's crucial to recognize this condition, even when neurological symptoms are absent, to provide timely care.
Read More
We focused on how oral vitamin B12 could help those with pernicious anemia, where absorption is usually impaired. Participants diagnosed with vitamin B12 deficiency due to this condition took a daily dose of 1000 μg of oral cyanocobalamin.

Over a year, an impressive 88.5% of them no longer showed deficiency after just one month, with significant improvements in vitamin B12 levels and related biological markers. Importantly, these benefits lasted throughout the study period.
Read More
We explored a rare condition called Transcobalamin deficiency, which hinders vitamin B12 transport in the body. This case involved a 2-year-old boy suffering from severe anemia and frequent infections.

After genetic tests revealed a specific mutation, we administered high doses of methylcobalamin. Remarkably, the child's health significantly improved, highlighting the importance of diagnosing and treating this deficiency early to avoid serious complications.
Read More

Most Useful Reviews

10
Life-saving solution
152 people found this helpful
This product saved my life due to Pernicious Anemia. I experienced severe symptoms which worsened over time. I self-diagnosed after recalling symptoms of Vitamin B12 deficiency. After starting this product, my symptoms improved significantly, and I truly believe it helped me stay alive.
Read More
9
No more anemia
6 people found this helpful
An excellent source of B12 to eliminate deficiencies. It assisted me in treating iron deficiency anemia, eliminating vitamin B12 deficiency altogether. I consumed two cans consecutively and experienced no signs of anaemia.
Read More
9
Convenient alternative
4 people found this helpful
I love this supplement! I was getting B-12 shots to combat my Iron Deficiency Anemia but got tired of weekly visits. This product works beautifully; just one nugget under my tongue each morning. My energy levels are up, and I'm saving time and money!
Read More

Medical Researches

SCIENTIFIC SCORE
Moderately Effective
Based on 21 Researches
8.2
  • All Researches
We explored the case of a 23-month-old boy suffering from severe pancytopenia linked to Imerslund-Gräsbeck syndrome, a rare condition caused by an inability to absorb vitamin B12. Upon diagnosis, the boy received vitamin B12 replacement therapy, which effectively addressed his symptoms and improved his health.

This case highlights the significance of early detection and treatment of IGS to avoid potential neurological damage. It's crucial to recognize this condition, even when neurological symptoms are absent, to provide timely care.
Read More
We focused on how oral vitamin B12 could help those with pernicious anemia, where absorption is usually impaired. Participants diagnosed with vitamin B12 deficiency due to this condition took a daily dose of 1000 μg of oral cyanocobalamin.

Over a year, an impressive 88.5% of them no longer showed deficiency after just one month, with significant improvements in vitamin B12 levels and related biological markers. Importantly, these benefits lasted throughout the study period.
Read More
9.5
Vitamin B12 aids anemia recovery
We investigated how vitamin B12 treatment plays a role in addressing anemia in a young adolescent with complex health issues, including severe anemia, joint problems, and neurological symptoms. This individual presented with a deficiency in vitamin B12, alongside other autoimmune conditions, leading to a diagnosis of subacute combined degeneration of the spinal cord.

The patient's treatment regimen included high-dose intravenous methylprednisolone, immunoglobulin therapy, oral naproxen, and vitamin B12 supplementation, among others. We observed that the introduction of vitamin B12 into her treatment plan contributed to combating her anemia effectively. The combination of therapies, especially with vitamin B12, significantly improved her overall health and restored her quality of life.

Our findings highlight the importance of early diagnosis and prompt treatment in patients with complex autoimmune issues. Specifically, vitamin B12 emerges as a critical component in managing anemia related to such conditions. While the study is anecdotal, it reinforces the idea that vitamin B12 can be beneficial in improving anemia outcomes in similarly affected patients.
Read More
9
Oral B12 therapy effective in anemia
We explored a case of a 3-year-old girl diagnosed with Imerslund-Gräsbeck syndrome, a condition that causes vitamin B12 malabsorption and leads to anemia. After identifying novel mutations in the AMN gene, we initiated long-term oral vitamin B12 therapy.

Following treatment, her blood tests showed consistent improvement, indicating that oral B12 replacement can be an effective management strategy, especially for patients who can’t tolerate injections. This case underscores the importance of genetic testing for accurate diagnoses.
Read More
We explored a rare condition called Transcobalamin deficiency, which hinders vitamin B12 transport in the body. This case involved a 2-year-old boy suffering from severe anemia and frequent infections.

After genetic tests revealed a specific mutation, we administered high doses of methylcobalamin. Remarkably, the child's health significantly improved, highlighting the importance of diagnosing and treating this deficiency early to avoid serious complications.
Read More

User Reviews

USERS' SCORE
Excellent
Based on 8 Reviews
9
  • All Reviews
  • Positive Reviews
  • Negative Reviews
10
Life-saving solution
152 people found this helpful
This product saved my life due to Pernicious Anemia. I experienced severe symptoms which worsened over time. I self-diagnosed after recalling symptoms of Vitamin B12 deficiency. After starting this product, my symptoms improved significantly, and I truly believe it helped me stay alive.
Read More
9
No more anemia
6 people found this helpful
An excellent source of B12 to eliminate deficiencies. It assisted me in treating iron deficiency anemia, eliminating vitamin B12 deficiency altogether. I consumed two cans consecutively and experienced no signs of anaemia.
Read More
9
Convenient alternative
4 people found this helpful
I love this supplement! I was getting B-12 shots to combat my Iron Deficiency Anemia but got tired of weekly visits. This product works beautifully; just one nugget under my tongue each morning. My energy levels are up, and I'm saving time and money!
Read More
9
Improved my anemia
1 people found this helpful
It improved my anemia significantly; truly the most natural B12 vitamin I've encountered. Other B12 supplements I tried were ineffective, but this one really activated my brain, albeit causing some insomnia.
Read More
9
Highly effective supplement
1 people found this helpful
I buy this for my girlfriend, who suffers from severe anaemia and vitamin B12 deficiency. After using it for some time, she’s found it to be highly effective with excellent quality. I hope the price drops further.
Read More

Frequently Asked Questions

7.5
Sleep quality improved
5 people found this helpful
I noticed effects after 12-14 days of use, with improvements in sleep quality by a significant margin. My brain felt more alert after a prolonged deficiency of B12 and anaemia symptoms. I’ve tried milgam without such results. My friend, sharing similar symptoms, also benefitted, and one supply is adequate for three people for a year.
9
No more anemia
6 people found this helpful
An excellent source of B12 to eliminate deficiencies. It assisted me in treating iron deficiency anemia, eliminating vitamin B12 deficiency altogether. I consumed two cans consecutively and experienced no signs of anaemia.
7.5
Essential for anemia
1 people found this helpful
Taken to treat anaemia alongside iron, I found that vitamin B12 is effectively absorbed as a supplement. When addressing anaemia, it is crucial to combine these two, as a B12 deficiency can also cause anaemia. Understanding why vitamins are poorly absorbed should begin with examining stomach health.
9
Improved my anemia
1 people found this helpful
It improved my anemia significantly; truly the most natural B12 vitamin I've encountered. Other B12 supplements I tried were ineffective, but this one really activated my brain, albeit causing some insomnia.
This case explores the journey of a 40-year-old woman who suffered from various nonspecific symptoms, mistakenly attributed to other health issues, for ten years. Her vitamin B12 levels were critically low, ultimately diagnosed as pernicious anemia.

After starting parenteral B12 treatment, we observed significant neurological improvements, underscoring how vital it is to recognize vitamin B12 deficiency as a potential cause of anemia, even when classic symptoms aren't present. This case reminds us to maintain a broad perspective for accurate diagnosis.
8
We explored a case involving a 51-year-old Ugandan man who experienced recurring lower limb weakness and was ultimately diagnosed with pernicious anemia. His condition stemmed from vitamin B12 deficiency, confirmed by blood tests showing macrocytic anemia and low cobalamin levels.

With treatment using methylcobalamin injections, he showed significant improvement. This case emphasizes the need for heightened awareness of vitamin B12 deficiency in diagnosing anemia, especially in areas with limited health resources.
2
No significant B12 benefit observed
We evaluated whether adding multiple micronutrients to iron-folic acid supplementation would better combat anemia in children aged 6-59 months in rural India. In a well-structured trial of 1,300 participants, we found no significant difference in hemoglobin levels or anemia cure rates between those receiving iron-folic acid alone and those receiving the additional micronutrients.

Both groups showed a similar rate of recovery, suggesting that iron-folic acid alone may be sufficient. This emphasizes the importance of adherence to existing supplementation protocols to tackle anemia effectively.
7
Parenteral B12 may be better
We sought to understand how effective vitamin B12 is in treating anemia in children. Our focus was on comparing two different methods of supplementation: parenteral (injections) and oral (pills). While previous studies in adults suggested both methods might have similar benefits, we found limited data for children, prompting our thorough investigation.

Our literature search pulled from multiple reputable databases for randomized controlled trials that specifically looked at vitamin B12 treatments in children with deficiency anemia. Of the thousands of studies reviewed, only one qualified for our analysis. In this study, children received an initial injection of vitamin B12 before being assigned to either the parenteral or oral treatment group.

We observed notable differences in the outcomes after three months. The children who received the parenteral treatment showed significantly higher vitamin B12 levels and better improvements in hemoglobin, indicating that this method may be more effective. However, we should note that the quality of the study was deemed high risk for bias, and there was no safety data reported, making it challenging to draw strong conclusions.

Overall, while the findings hint at a greater effectiveness of parenteral supplementation, the lack of robust evidence calls for caution in interpreting these results. Further high-quality research is necessary before definitive recommendations can be made.
We focused on how oral vitamin B12 could help those with pernicious anemia, where absorption is usually impaired. Participants diagnosed with vitamin B12 deficiency due to this condition took a daily dose of 1000 μg of oral cyanocobalamin.

Over a year, an impressive 88.5% of them no longer showed deficiency after just one month, with significant improvements in vitamin B12 levels and related biological markers. Importantly, these benefits lasted throughout the study period.
9
We explored how vitamin B12 affects anemia, specifically through its role in correcting deficiencies. The research analyzes oral B12 intake and its absorption, particularly in individuals showing signs of deficiency.

There’s a clear relationship between the amount of B12 consumed and the body’s response. Supplements offering up to 20 µg of B12 daily are deemed safe and unlikely to trigger side effects.

For those severely affected, higher dosages—like 50 µg—may help stabilize abnormal markers in the blood, while foods designed for medical purposes can contain up to 150 µg.

However, anything beyond 200 µg per day should be treated as a drug, as it can effectively address anemia and related symptoms. Importantly, for individuals diagnosed with deficiency, proper medical treatment remains essential, leaning towards higher doses of B12.

References

  1. Mesgarankarimi A, Rezapour M, Tabrizi N. A long-standing undiagnosed case of vitamin B12 deficiency: a case report. J Med Case Rep. 2025;19:151. doi:10.1186/s13256-025-05149-7
  2. Upadhyay RP, Chowdhury R, Mundra S, Taneja S, Jacob M, et al. Comparative effectiveness of daily therapeutic supplementation with multiple micronutrients and iron-folic acid versus iron-folic acid alone in children with mild-to-moderate anaemia in rural India: an open-label, randomised controlled trial. Lancet Glob Health. 2025;13:e497. doi:10.1016/S2214-109X(24)00559-X
  3. Mswelo VE, David MM, Banturaki A, Munyambalu DK, Hassan HA, et al. Rural health challenges in Western Uganda: pernicious anemia masquerading as recurrent lower limb weakness-a case report. J Med Case Rep. 2025;19:60. doi:10.1186/s13256-025-05095-4
  4. Hirakata K, Ishii Y, Yoshida T, Tanaka F, Nakae Y. [A case of diagnosed pernicious anemia and subacute combined degeneration of the spinal cord with abnormally elevated serum vitamin B12]. Rinsho Shinkeigaku. 2025;65:120. doi:10.5692/clinicalneurol.cn-002023
  5. Zhang D, Liu S, Xi B, Zhu Y, Chen Y, et al. Imerslund-Gräsbeck syndrome in a child with a novel compound heterozygous mutations in the AMN gene: a case report. Ital J Pediatr. 2024;50:191. doi:10.1186/s13052-024-01757-z
  6. Di Sario F, Piloni F, Gasparini F, Serpetti E, Bruschi B, et al. Severe pancytopenia at the presentation of Imerslund-Gräsbeck syndrome in a 23-month-old Italian boy. Ital J Pediatr. 2024;50:186. doi:10.1186/s13052-024-01759-x
  7. Shen M, Luo X, Wu C, Wang J, Wang Z, et al. Pernicious anemia is a common cause of cobalamin deficiency-caused megaloblastic anemia in Hainan, China. Hematology. 2024;29:2399375. doi:10.1080/16078454.2024.2399375
  8. Iqbal N, Meghani MA, Khalid W, Ansari AH, Ansari MUH, et al. Transcobalamin deficiency - a rare genetic defect in transportation of cobalamin; case report. Ann Hematol. 2024;103:3243. doi:10.1007/s00277-024-05878-7
  9. Song JH, Park SH, Cho M, Kim YM, Hyung WJ, et al. Proximal Gastrectomy Is Associated with Lower Incidence of Anemia and Vitamin B12 Deficiency Compared to Total Gastrectomy in Patients with Upper Gastric Cancer. Cancer Res Treat. 2025;57:174. doi:10.4143/crt.2024.319
  10. Lacombe V, Vinatier E, Roquin G, Copin MC, Delattre E, et al. Oral vitamin B12 supplementation in pernicious anemia: a prospective cohort study. Am J Clin Nutr. 2024;120:217. doi:10.1016/j.ajcnut.2024.05.019
  11. Chakrabarti S, Ajjampur SSR, Waddington HS, Kishore A, Nguyen PH, et al. Deworming and micronutrient status by community open defecation prevalence: An observational study using nationally representative data from India, 2016-2018. PLoS Med. 2024;21:e1004402. doi:10.1371/journal.pmed.1004402
  12. Sawada Y, Sakamoto K, Tsukamura A, Sawai C. Vitamin B12 deficiency-induced megaloblastic anemia in a pediatric patient with autism spectrum disorder with a chronically unbalanced diet. Int J Hematol. 2024;119:613. doi:10.1007/s12185-024-03759-3
  13. Sachdeva M, Purohit A, Malik M, Jain L, Pradhan P, et al. Comparison of Efficacy and Safety of Parenteral vs Oral Route of Vitamin B12 Supplementation for the Treatment of Vitamin B12 Deficiency Anemia in Children: A Systematic Review. Nutr Rev. 2025. doi:10.1093/nutrit/nuae227
  14. Obeid R, Geisel J, Pietrzik K, Andres E. A Framework to Guide Defining an Upper Threshold of Crystalline Vitamin B12 in Foods and Food Supplements. Curr Nutr Rep. 2025;14:32. doi:10.1007/s13668-025-00622-7
  15. Belhaj R, Maaloul I, Kolsi R, Rekik T, Chabchoub I, et al. Study of clinical manifestations and etiologies of megaloblastic anemia in children. Transfus Clin Biol. 2025. doi:10.1016/j.tracli.2025.01.006
  16. Goncalves H, De Oliveira Simões F, Sá R, Fraga Campos B, Domingues RM, et al. Severe Symptomatic Anemia as a Rare Initial Manifestation of Type 3 Polyglandular Autoimmune Syndrome: A Case Report. Cureus. 2024;16:e75800. doi:10.7759/cureus.75800
  17. Moreira AP, Vasconcelos M, Costa E Silva T, Relvas C, Espírito Santo J. An Unusual Case of Hemolytic Anemia: A Case Report. Cureus. 2024;16:e75676. doi:10.7759/cureus.75676
  18. Lang C, Huang P, Gao J, Chen Y, He Z. Co-existence of autoimmune polyglandular syndrome type 3b and undifferentiated connective tissue disease with subacute combined degeneration of spinal cord in children: a case report and literature review. BMC Pediatr. 2024;24:817. doi:10.1186/s12887-024-05262-4
  19. Tavares Pereira J, Barbosa Barroso J, Azevedo A, Ribeiro A, Tonel C. Pseudo-Thrombotic Microangiopathy Secondary to Vitamin B12 Deficiency. Cureus. 2024;16:e73620. doi:10.7759/cureus.73620
  20. Jamil M, Nasser Z, Jamil D, Sheqwara JZ. Unmasking Vitamin B12 Deficiency Misdiagnosed as Myelodysplastic Syndrome. Case Rep Hematol. 2024;2024:3258227. doi:10.1155/2024/3258227
  21. Memon NM, Conti G, Brilli E, Tarantino G, Chaudhry MNA, et al. Comparative bioavailability study of supplemental oral Sucrosomial vs. oral conventional vitamin B12 in enhancing circulatory B12 levels in healthy deficient adults: a multicentre, double-blind randomized clinical trial. Front Nutr. 2024;11:1493593. doi:10.3389/fnut.2024.1493593
image