Overview

SCIENTIFIC SCORE
Questionable
Based on 11 Researches
6.9
USERS' SCORE
Good
Based on 12 Reviews
8
Supplement Facts
Serving Size: 1 Nugget
Amount Per Serving
%DV
Vitamin B12 (as methylcobalamin)
1000 mcg
41,667%

Top Medical Research Studies

We explored a novel oral delivery system using vitamin B12, fucoidan, and concanavalin A to enhance insulin effectiveness for diabetes management. This smart nanosystem targets inflammation while regulating blood glucose levels efficiently. Our findings indicated that when tested on type I diabetic mice, the nanosystem significantly lowered blood sugar and reduced inflammatory markers, such as TNF-α and interleukin-6. Notably, the system ensures safe and effective delivery, presenting a promising alternative to traditional insulin methods.
Read More
We explored how vitamin B12 might protect against nerve damage caused by diabetes. In a research study, diabetic rats received B12 supplements for four months. By examining their brains, we found that B12 reduced nerve cell death and supported healthy brain functions, even under diabetic conditions. The treatment improved important markers related to nerve support and minimized harmful inflammatory responses. This suggests that vitamin B12 could be a valuable addition for helping diabetic patients maintain better brain health.
Read More
9
Vitamin B12 improves eye movements
We explored the effectiveness of vitamin B12 in treating diabetic ocular nerve palsy, a complication that can occur in people with diabetes. In a recent study, fifty individuals with this condition were divided into two groups. One group received steroid treatments while the other was treated with vitamin B12 injections.

After assessing ocular movements at three points during treatment, we observed a notable improvement in those receiving vitamin B12 compared to those receiving steroids. Specifically, the vitamin B12 group showed an enhancement of eye movements by an average of 1.04, while the steroid group had a lesser improvement of 0.75. This difference was statistically significant, suggesting that vitamin B12 may be more effective in aiding recovery of eye movement in these patients.

Importantly, treating diabetic neuropathy with vitamin supplementation not only addresses possible nutritional deficiencies but could also improve overall quality of life for patients. This study highlights the potential benefits of vitamin B12 therapy, making it an appealing option for individuals dealing with the effects of diabetic-related nerve issues.
Read More

Most Useful Reviews

9
Supports diabetic health
2 people found this helpful
Very excellent for metabolism and very necessary for diabetics. It protects nerves from diabetes waste. I wish everyone wellness and safety.
Read More
7.5
Recommends daily supplement
1 people found this helpful
Excellent! Due to diabetes and the fact that metformin lowers B12 levels, it is advised to take a supplement daily, on the recommendation of a diabetes specialist!
Read More
6
Effective for diabetes
1 people found this helpful
This product is the most effective form of B12. I use it for its active B12 ingredient, and I also give it to my cat to help with diabetes. It is easily absorbed and digestible.
Read More

Medical Researches

SCIENTIFIC SCORE
Questionable
Based on 11 Researches
6.9
  • All Researches
9
Vitamin B12 improves eye movements
We explored the effectiveness of vitamin B12 in treating diabetic ocular nerve palsy, a complication that can occur in people with diabetes. In a recent study, fifty individuals with this condition were divided into two groups. One group received steroid treatments while the other was treated with vitamin B12 injections.

After assessing ocular movements at three points during treatment, we observed a notable improvement in those receiving vitamin B12 compared to those receiving steroids. Specifically, the vitamin B12 group showed an enhancement of eye movements by an average of 1.04, while the steroid group had a lesser improvement of 0.75. This difference was statistically significant, suggesting that vitamin B12 may be more effective in aiding recovery of eye movement in these patients.

Importantly, treating diabetic neuropathy with vitamin supplementation not only addresses possible nutritional deficiencies but could also improve overall quality of life for patients. This study highlights the potential benefits of vitamin B12 therapy, making it an appealing option for individuals dealing with the effects of diabetic-related nerve issues.
Read More
8
B12 in multi-nutrient diabetes study
We explored how a combination of nutrients, including B12, impacts people with diabetic neuropathy. In a study with 73 individuals suffering from type 2 diabetes, participants were split into two groups: one received the combination of nutrients while the other received a placebo for six months.

Our findings revealed that this nutrient blend significantly improved pain levels, vibration perception, and B12 levels in participants. However, it’s important to note that the overall efficacy of B12 in this context is just part of a broader treatment approach rather than a standalone solution.
Read More
8
Vitamin B12 affects diabetes risk
We investigated how gastrectomy impacts the risk of type 2 diabetes in gastric cancer survivors. Analyzing data from over 150,000 patients, we observed that those who underwent total gastrectomy had a higher chance of developing diabetes, especially if they didn't take vitamin B12 supplements. Surprisingly, patients who had subtotal gastrectomy enjoyed a lower risk of diabetes. Furthermore, B12 supplementation appeared to shield those who underwent total gastrectomy from heightened diabetes risk. This highlights the importance of monitoring and managing vitamin levels post-surgery.
Read More
8
B vitamins may reduce T2D risk
We examined the relationship between B vitamin intake and the risk of developing type 2 diabetes (T2D) through a large study in Shanghai. Using data from nearly 45,000 adults, we found that higher consumption of B vitamins, particularly B1, B2, B6, B9, and B12, was linked to a lower risk of T2D.

Our analysis also suggested that inflammation played a mediating role in this effect. While we did not find a significant link with B3, vitamin B6 was notably influential in reducing T2D risk. Overall, incorporating these B vitamins in our diet may help mitigate T2D, at least in part, through controlling inflammation.
Read More
We explored a novel oral delivery system using vitamin B12, fucoidan, and concanavalin A to enhance insulin effectiveness for diabetes management. This smart nanosystem targets inflammation while regulating blood glucose levels efficiently. Our findings indicated that when tested on type I diabetic mice, the nanosystem significantly lowered blood sugar and reduced inflammatory markers, such as TNF-α and interleukin-6. Notably, the system ensures safe and effective delivery, presenting a promising alternative to traditional insulin methods.
Read More

User Reviews

USERS' SCORE
Good
Based on 12 Reviews
8
  • All Reviews
  • Positive Reviews
  • Negative Reviews
9
Supports diabetic health
2 people found this helpful
Very excellent for metabolism and very necessary for diabetics. It protects nerves from diabetes waste. I wish everyone wellness and safety.
Read More
7.5
Recommends daily supplement
1 people found this helpful
Excellent! Due to diabetes and the fact that metformin lowers B12 levels, it is advised to take a supplement daily, on the recommendation of a diabetes specialist!
Read More
6
Effective for diabetes
1 people found this helpful
This product is the most effective form of B12. I use it for its active B12 ingredient, and I also give it to my cat to help with diabetes. It is easily absorbed and digestible.
Read More
9
Necessary for diabetics
A very good supplement for those suffering from diabetes mellitus, as it helps rectify the vitamin deficiency caused by anti-hypoglycemic drugs. It is essential to take.
Read More
9
Enhances well-being
I take this since I am a senior (74+) and use metformin for diabetes. I’m feeling great.
Read More

Frequently Asked Questions

6
Absorbs efficiently
A good form of vitamin B12. The sublingual method is better absorbed, and I noticed the effect after a week. I use it monthly due to thyroid issues and prediabetes, which deplete my B12 levels.
7.5
Helps with diabetes
1 people found this helpful
Its size is excellent. I bought it for my mother. Its quantity is great, the taste is acceptable, and its effect is noticeable after a month. It is suitable for diabetes and alleviates stress.
7.5
Improves vitamin levels
I've taken a diabetes drug called metformin for some time, and my health checkup showed insufficient vitamin B12. This product made the white stain on my tongue disappear in just a few days. It is recommended for those on long-term metformin therapy, hoping for gradual improvement.
9
Necessary for diabetics
A very good supplement for those suffering from diabetes mellitus, as it helps rectify the vitamin deficiency caused by anti-hypoglycemic drugs. It is essential to take.
9
Supports diabetic health
2 people found this helpful
Very excellent for metabolism and very necessary for diabetics. It protects nerves from diabetes waste. I wish everyone wellness and safety.
7.5
Essential for metformin users
Active B12 is a great product, easily absorbed and pleasant-tasting. If you're taking metformin (for type 2 diabetes), you will likely have a B12 deficiency. This form is necessary if you have issues with folate absorption.
7.5
Recommends daily supplement
1 people found this helpful
Excellent! Due to diabetes and the fact that metformin lowers B12 levels, it is advised to take a supplement daily, on the recommendation of a diabetes specialist!
7.5
Vitamin deficiency risk
I use this drug as I am a content owner of type 2 diabetes. When taking metformin, it is advisable to use vitamin B12, as metformin diminishes absorption, potentially leading to a deficiency of this vitamin, which can result in anaemia. It is also recommended for vegans and vegetarians due to the lack of meat products in their diet, which may also cause various types of anaemia.
8
B12 in multi-nutrient diabetes study
We explored how a combination of nutrients, including B12, impacts people with diabetic neuropathy. In a study with 73 individuals suffering from type 2 diabetes, participants were split into two groups: one received the combination of nutrients while the other received a placebo for six months.

Our findings revealed that this nutrient blend significantly improved pain levels, vibration perception, and B12 levels in participants. However, it’s important to note that the overall efficacy of B12 in this context is just part of a broader treatment approach rather than a standalone solution.
We explored how vitamin B12 might protect against nerve damage caused by diabetes. In a research study, diabetic rats received B12 supplements for four months. By examining their brains, we found that B12 reduced nerve cell death and supported healthy brain functions, even under diabetic conditions. The treatment improved important markers related to nerve support and minimized harmful inflammatory responses. This suggests that vitamin B12 could be a valuable addition for helping diabetic patients maintain better brain health.
7
Vitamin B12's role in diabetes
We explored the relationship between high serum vitamin B12 levels and diabetes, particularly focusing on how vitamin B12 supplementation might affect this condition. In our retrospective study, we gathered data from 3,511 patients over one year who were found to have elevated B12 levels above the normal limit of 771 pg/mL.

A significant finding from our analysis was that 53.2% of patients with high B12 levels were also diagnosed with diabetes and had been using vitamin B12 as part of their treatment regimen. This suggests that there may be a potential link between vitamin B12 supplementation and diabetes management.

Furthermore, we observed a positive correlation between elevated B12 levels and specific laboratory results, indicating that patients’ age and other liver-related parameters could play a role in these outcomes. However, we did not find compelling evidence that vitamin B12 directly improves diabetes symptoms or controls blood sugar levels independently.

Overall, while high serum vitamin B12 is often associated with diabetes in those using it as a supplementary treatment, more detailed investigations are needed to fully understand the implications for diabetes management. Most notably, we found that many comorbid conditions were benign, primarily among Saudi patients aged 50-70.
8
Tangbi and B12 show promise
We conducted a thorough examination of a clinical trial that looked at how vitamin B12, alongside an herbal treatment called the Tangbi Formula, impacts patients with diabetic distal symmetric polyneuropathy (DSPN). This multicenter trial was designed to compare a group receiving both treatments to another group that received a placebo combined with vitamin B12. This setup helped us assess the actual effectiveness of the herbal combination on the symptoms of this condition.

After 24 weeks of treatment, we observed a significant decrease in the Michigan Diabetic Neuropathy Score (MDNS) among those taking the Tangbi Formula, pointing to improvements in their symptoms. In addition, changes in the visual-analogue scale (VAS) and the Toronto clinical scoring system (TCSS) also revealed positive results when comparing the two groups. However, it’s important to note that nerve conduction velocities did not show significant changes in either group, suggesting that the effects of vitamin B12 alone may be difficult to ascertain within this study’s context.

Overall, this research shines a light on how combining herbal medicines with conventional treatment can be beneficial for patients suffering from DSPN, though it does limit our ability to fully evaluate the specific effects of vitamin B12 in isolation.

References

  1. Didangelos T, Karlafti E, Kotzakioulafi E, Giannoulaki P, Kontoninas Z, et al. Efficacy and Safety of the Combination of Palmitoylethanolamide, Superoxide Dismutase, Alpha Lipoic Acid, Vitamins B12, B1, B6, E, Mg, Zn and Nicotinamide for 6 Months in People with Diabetic Neuropathy. Nutrients. 2024;16. doi:10.3390/nu16183045
  2. Kim G, Han KD, Cho SH, Oh R, Lee YB, et al. Association between gastrectomy and the risk of type 2 diabetes in gastric cancer survivors: A nationwide cohort study. Diabetes Metab. 2024;50:101569. doi:10.1016/j.diabet.2024.101569
  3. Zhu Y, Ying T, Xu M, Chen Q, Wu M, et al. Joint B Vitamin Intake and Type 2 Diabetes Risk: The Mediating Role of Inflammation in a Prospective Shanghai Cohort. Nutrients. 2024;16. doi:10.3390/nu16121901
  4. Gautam S, Mittal C, Ranjan A, Singh G. Association of Diabetic Peripheral Neuropathy with Micronutrients. J Assoc Physicians India. 2024;72:65. doi:10.59556/japi.72.0493
  5. Zhou J, Ma H, Guan M, Feng J, Dong X, et al. Anti-inflammatory Fucoidan-ConA oral insulin nanosystems for smart blood glucose regulation. Int J Pharm. 2024;659:124250. doi:10.1016/j.ijpharm.2024.124250
  6. Hakola L, Mramba LK, Uusitalo U, Andrén Aronsson C, Hummel S, et al. Intake of B vitamins and the risk of developing islet autoimmunity and type 1 diabetes in the TEDDY study. Eur J Nutr. 2024;63:1329. doi:10.1007/s00394-024-03346-6
  7. Suryavanshi U, Angadi KK, Reddy VS, Reddy GB. Neuroprotective role of vitamin B12 in streptozotocin-induced type 1 diabetic rats. Chem Biol Interact. 2024;387:110823. doi:10.1016/j.cbi.2023.110823
  8. N I, Shyam Kumar S. The Effectiveness of Steroid Versus Vitamin Therapy in the Improvement of Extraocular Movements in Patients With Diabetic Cranial Nerve Palsy: A Comparative Study. Cureus. 2024;16:e75656. doi:10.7759/cureus.75656
  9. Abu-Zahab ZA, Qureshi H, Adham GM, Elzefzafy WM, Zalam SS, et al. Frequency of comorbid diseases with high serum Vitamin B12 levels in patients attending King Salman Medical City (KSAMC), at Madinah. Int J Health Sci (Qassim). 2025;19:15.
  10. Zhao X, An X, Cui Y, Dong L, Fang Z, et al. TangBi Formula for Painful Diabetic Distal Symmetric Polyneuropathy: A Multicenter, Randomized, Double-Blind, Placebo-Controlled and Parallel-Group Trial. J Diabetes. 2025;17:e70045. doi:10.1111/1753-0407.70045
  11. Asghar S, Tanvir H, Riaz A, Ejaz MH, Akram M, et al. Prevalence of Vitamin B12 Deficiency in Patients With Type 2 Diabetes Mellitus on Metformin Therapy: A Cross-Sectional Study. Cureus. 2024;16:e72184. doi:10.7759/cureus.72184
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