Overview

SCIENTIFIC SCORE
Possibly Effective
Based on 19 Researches
7.8
USERS' SCORE
Good
Based on 4 Reviews
8.6
Supplement Facts
Serving Size:  1 tablet
Serving Per Container:  90
Amount Per Serving
%DV
Vitamin B-12 (as methylcobalamin)
 2500 mcg
104,167%

Top Medical Research Studies

9
We examined a case of a 51-year-old Ugandan man who experienced recurring lower limb weakness linked to pernicious anemia, an autoimmune condition causing vitamin B12 deficiency. After initial treatments, his symptoms reappeared, leading to further testing that confirmed the diagnosis.

Treatment with vitamin B12 injections significantly improved his condition. This case emphasizes the need for healthcare providers to recognize the signs of vitamin B12 deficiency early, particularly in resource-limited settings, to ensure timely diagnosis and treatment.
Read More
9
We explored the impact of vitamin B12 treatment on individuals suffering from pernicious anemia, an autoimmune disorder that affects the body’s ability to absorb this essential vitamin. In a recent case report, a 51-year-old man from Uganda presented with lower limb weakness, which had returned after an earlier bout of vitamin B12 deficiency.

Upon investigation, he was diagnosed with pernicious anemia, a condition that can cause a range of symptoms due to the body’s inability to produce intrinsic factor, crucial for vitamin B12 absorption. After starting parenteral methylcobalamin therapy, we observed significant improvements in his symptoms, highlighting how effective vitamin B12 can be in managing this disorder.

This case emphasizes the need for awareness and timely diagnosis of vitamin B12 deficiency among healthcare providers, especially in resource-limited settings. Such proactive management can lead to recovery and improved quality of life for those affected.
Read More
We explored the intriguing case of a 56-year-old man diagnosed with Biermer's disease, also known as pernicious anemia, an autoimmune condition that leads to a lack of intrinsic factor and, consequently, vitamin B12 malabsorption. This patient presented with unusual symptoms: not just digestive concerns like melena, but also notable neurological effects such as memory issues and gait disturbances.

During our examination, we discovered symptoms indicative of cerebellar ataxia, along with a red and swollen limb that pointed toward deep vein thrombosis (DVT). The tests revealed severe macrocytic anemia and confirmed a deficiency in vitamin B12 while keeping folate levels normal. Following a thorough diagnosis—including gastroscopy, ultrasound, and blood tests—we initiated a treatment plan that included vitamin B12 supplementation and anticoagulant therapy.

The outcome of our intervention was promising, with significant clinical improvement observed in the patient’s condition. Our findings reinforce the essential role of vitamin B12 in managing this type of autoimmune disorder, particularly when neurological and cardiovascular complications arise.
Read More

Most Useful Reviews

8.8
Improved energy levels
Great! It arrived on time, and I have noticed an improvement in my chronic anemic state. I feel more energised, and symptoms like dizziness and fatigue associated with my autoimmune disorder have decreased while taking the supplement. Its flavour is very pleasant, and it is easy to administer. I prefer the version with folic acid; I intended to reorder it, but it is out of stock. I hope they restock soon. Nevertheless, this is a great product, and I recommend it.
Read More
8.8
Notable improvements
This amazing product has made a significant difference; I previously ordered it and noticed some great improvements in my condition as I manage my autoimmune disorder.
Read More
8.8
Helpful for B12
I want to order this again! It is truly beneficial! Though I’m not a fan of meat, this has been very advantageous for my body. I'm not vegan, but I tend to prefer vegan supplements for some reason. I feel it has improved my B12 levels. Nonetheless, it’s always best to consult a doctor before taking supplements.
Read More

Medical Researches

SCIENTIFIC SCORE
Possibly Effective
Based on 19 Researches
7.8
  • All Researches
9.5
Vitamin B12 supplementation benefits autoimmune patients
We explored the impact of vitamin B12 on patients with autoimmune disorders, particularly those experiencing symptoms often attributed to their underlying conditions. The study presented three cases of individuals with neuropathic pain, depression, fatigue, and muscle weakness, who had their symptoms initially misattributed to rheumatic diseases.

Upon starting vitamin B12 supplementation, these patients showed nearly complete resolution of their symptoms, highlighting the potential benefits of this vitamin in treating related health issues. Interestingly, several participants did not display obvious deficiencies in vitamin B12 levels according to lab tests, suggesting that even those who appear to have sufficient levels could still benefit from supplementation.

Furthermore, we delved into research indicating the nerve-protective properties of vitamin B12, which could play a crucial role in managing pain and neuropathy associated with long-standing rheumatic diseases. Therefore, we recommend that healthcare providers consider checking vitamin B12 levels early in the diagnostic journey for autoimmune conditions, and think about offering supplementation regardless of laboratory findings.
Read More
9
We examined a case of a 51-year-old Ugandan man who experienced recurring lower limb weakness linked to pernicious anemia, an autoimmune condition causing vitamin B12 deficiency. After initial treatments, his symptoms reappeared, leading to further testing that confirmed the diagnosis.

Treatment with vitamin B12 injections significantly improved his condition. This case emphasizes the need for healthcare providers to recognize the signs of vitamin B12 deficiency early, particularly in resource-limited settings, to ensure timely diagnosis and treatment.
Read More
9
Case of combined autoimmune disorders
We examined a fascinating case of a 54-year-old man experiencing the rare overlap of Guillain-Barré Syndrome (GBS) and autoimmune gastritis. After a thorough medical evaluation, which included MRI and biopsy, he was diagnosed with both GBS and a vitamin B12 deficiency linked to atrophic gastritis.

Treatment with intravenous immunoglobulin and methylcobalamin (vitamin B12) led to substantial improvement in his symptoms. This case highlights the importance of recognizing potential nutrient deficiencies, especially those impacting autoimmune disorders like GBS and autoimmune gastritis.
Read More
9
We explored the impact of vitamin B12 treatment on individuals suffering from pernicious anemia, an autoimmune disorder that affects the body’s ability to absorb this essential vitamin. In a recent case report, a 51-year-old man from Uganda presented with lower limb weakness, which had returned after an earlier bout of vitamin B12 deficiency.

Upon investigation, he was diagnosed with pernicious anemia, a condition that can cause a range of symptoms due to the body’s inability to produce intrinsic factor, crucial for vitamin B12 absorption. After starting parenteral methylcobalamin therapy, we observed significant improvements in his symptoms, highlighting how effective vitamin B12 can be in managing this disorder.

This case emphasizes the need for awareness and timely diagnosis of vitamin B12 deficiency among healthcare providers, especially in resource-limited settings. Such proactive management can lead to recovery and improved quality of life for those affected.
Read More
9
Study on vitamin B12 in GBS
We explored a unique case involving a 54-year-old man who experienced symptoms that indicated both Guillain-Barré syndrome (GBS) and complications from autoimmune gastritis (AIG). Notably, he displayed progressive numbness and weakness along with gastrointestinal symptoms, which are often linked to vitamin B12 deficiency.

As part of his treatment, we utilized intravenous immunoglobulin alongside methylcobalamin, a form of vitamin B12. What was particularly interesting is that while the immunoglobulin treatment is typically aimed at addressing GBS, vitamin B12 was also administered to combat the neurological effects stemming from the deficiency due to AIG.

Our findings revealed that following these treatments, the patient showed significant clinical improvement before discharge. However, it's crucial to note that while vitamin B12 is commonly understood to aid neurological functions, the specific impact of its isolated use in this case remains unclear without additional studies focusing solely on its effectiveness in autoimmune disorders like GBS.

Overall, the integration of vitamin B12 treatment, particularly in the context of GBS and AIG, opens up discussions about managing similar cases in the future, although further research is necessary to firmly establish its benefits.
Read More

User Reviews

USERS' SCORE
Good
Based on 4 Reviews
8.6
  • All Reviews
  • Positive Reviews
  • Negative Reviews
8.8
Improved energy levels
Great! It arrived on time, and I have noticed an improvement in my chronic anemic state. I feel more energised, and symptoms like dizziness and fatigue associated with my autoimmune disorder have decreased while taking the supplement. Its flavour is very pleasant, and it is easy to administer. I prefer the version with folic acid; I intended to reorder it, but it is out of stock. I hope they restock soon. Nevertheless, this is a great product, and I recommend it.
Read More
8.8
Notable improvements
This amazing product has made a significant difference; I previously ordered it and noticed some great improvements in my condition as I manage my autoimmune disorder.
Read More
8.8
Helpful for B12
I want to order this again! It is truly beneficial! Though I’m not a fan of meat, this has been very advantageous for my body. I'm not vegan, but I tend to prefer vegan supplements for some reason. I feel it has improved my B12 levels. Nonetheless, it’s always best to consult a doctor before taking supplements.
Read More
8.8
Reliable quality
Fantastic! I always look for the best price and excellent quality, which is why I recommend everyone to order from this website.
Read More

Frequently Asked Questions

No FAQs are available for this product and symptom.

References

  1. Jatav VS, Sardana V, Bhushan B, Maheshwari D, Garg S, et al. Correlation of Serum Vitamin B and Muscle Enzyme (CK-NAC) Level with Severity of Guillain-Barre Syndrome and Its Prediction in Respiratory Failure. J Assoc Physicians India. 2025;73:48. doi:10.59556/japi.73.0892
  2. 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
  3. Ma XY, Hao Y, Xie YH, Cao Q, Sun DF, et al. Risk Factors Analysis and Predictive Model Construction for Autoimmune Gastritis: A Nationwide Multicenter Case-Control Study in China. J Gastroenterol Hepatol. 2025. doi:10.1111/jgh.16912
  4. 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
  5. Xiang H, Cai M. Coexistence of Guillain-Barré Syndrome and Subacute Combined Degeneration of the Spinal Cord Due to Autoimmune Gastritis: A Case Report and Literature Review. Cureus. 2024;16:e63084. doi:10.7759/cureus.63084
  6. Pluvinage JV, Ngo T, Fouassier C, McDonagh M, Holmes BB, et al. Transcobalamin receptor antibodies in autoimmune vitamin B12 central deficiency. Sci Transl Med. 2024;16:eadl3758. doi:10.1126/scitranslmed.adl3758
  7. Ma XY, Hao Y, Xie YH, Cao Q, Sun DF, et al. Risk Factors Analysis and Predictive Model Construction for Autoimmune Gastritis: A Nationwide Multicenter Case-Control Study in China. J Gastroenterol Hepatol. 2025. doi:10.1111/jgh.16912
  8. 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
  9. Subtil J, Carvalho R, Rebelo AF, Subtil P. Autoimmune Polyglandular Syndrome Type 3: A Case Report. Cureus. 2024;16:e76152. doi:10.7759/cureus.76152
  10. Mansour M, Shamasnah A, Alsaadi D, Abu Saif S, Krama A. Evans syndrome as a presentation in systemic lupus erythematous, coexisting with Hashimoto's thyroiditis and pernicious anemia: a case report. J Med Case Rep. 2024;18:643. doi:10.1186/s13256-024-05002-3
  11. Hijjawi N, Tout FS, Azaizeh B, Aljaafreh B. The role of vitamins D, B12, C, and K in modulating inflammation and disease management in rheumatoid arthritis: a comprehensive review. Clin Rheumatol. 2025;44:591. doi:10.1007/s10067-024-07285-9
  12. 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
  13. Xiang H, Cai M. Coexistence of Guillain-Barré Syndrome and Subacute Combined Degeneration of the Spinal Cord Due to Autoimmune Gastritis: A Case Report and Literature Review. Cureus. 2024;16:e63084. doi:10.7759/cureus.63084
  14. Pluvinage JV, Ngo T, Fouassier C, McDonagh M, Holmes BB, et al. Transcobalamin receptor antibodies in autoimmune vitamin B12 central deficiency. Sci Transl Med. 2024;16:eadl3758. doi:10.1126/scitranslmed.adl3758
  15. Haddad F, Boukhal Z, El Rhaoussi FZ, Tahiri M, Hliwa W, et al. Neurological and Cardiovascular Complications Revealing Biermer's Disease: A Case Report. Cureus. 2024;16:e58601. doi:10.7759/cureus.58601
  16. Fernandez I, Touzot F. Looking for ALPS: The value of a combined assessment of biochemical markers. Pediatr Allergy Immunol. 2024;35:e14135. doi:10.1111/pai.14135
  17. Yamada H, Toko M, Nakamori M, Ueno H, Aoki S, et al. Progressive multifocal leukoencephalopathy associated with systemic lupus erythematosus: longitudinal observation of lymphocytes, JC virus in cerebrospinal fluid, and brain magnetic resonance imaging. J Neurovirol. 2024;30:197. doi:10.1007/s13365-024-01203-0
  18. Yang CW, Hsu HY, Lee YZ, Lee SJ. Vitamin B12 inhibits peptidylarginine deiminases and ameliorates rheumatoid arthritis in CAIA mice. Biochem Biophys Res Commun. 2024;704:149668. doi:10.1016/j.bbrc.2024.149668
  19. Dułak NA, Rytlewska M, Jaskólska M, Chmielewski M. A new perspective on vitamin B12 deficiency in rheumatology: a case-based review. Rheumatol Int. 2024;44:737. doi:10.1007/s00296-024-05539-y
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