Overview

SCIENTIFIC SCORE
Questionable
Based on 7 Researches
6.4
USERS' SCORE
Moderately Good
Based on 67 Reviews
7.7
Supplement Facts
Serving Size: 1 Veggie Capsule
Amount Per Serving
%DV
Vitamin B12 (as Methylcobalamin)
1,500 mcg
62500%

Top Medical Research Studies

0
Vitamin B12 ineffective for CFS
We explored the effectiveness of high-dose vitamin B12 injections on chronic fatigue syndrome (CFS) through two case reports that utilized N of 1 trials. This approach allowed us to make tailored treatment decisions based on individual responses to the therapy.

In one case, we found that high-dose vitamin B12 injections did not yield positive results, leaving the patient without significant relief from their symptoms. Conversely, in another case, we observed that nimodipine proved to be a very effective treatment for that patient’s chronic fatigue.

These findings suggest that while vitamin B12 may not be helpful for everyone suffering from CFS, other treatments like nimodipine can be beneficial. Thus, personalized treatment strategies are key in managing this complex and varied condition.
Read More
8
Vitamin B12 benefits in CFS patients
We investigated the use of vitamin B12 nasal drops in adults with chronic fatigue syndrome (CFS) over three months. A total of 51 patients participated, and we measured their vitamin B12 levels alongside physical activity and fatigue scores.

Remarkably, two-thirds of the participants experienced positive results, including increased activity and better overall scores on fatigue measures. While responders showed significant improvements, the non-responders had only minor increases in vitamin B12 levels.

This indicates that vitamin B12 nasal drops could be a beneficial alternative to injections for many CFS patients.
Read More
We evaluated the impact of B12 injections combined with folic acid on patients with chronic fatigue syndrome, also known as myalgic encephalomyelitis (ME). In our survey of 38 patients, we identified two groups based on their response: Good and Mild responders. Good responders received more frequent and higher doses of B12, leading to significant improvements in their symptoms.

However, Mild responders, many of whom took pain medications, reported minimal progress. Overall, while some patients showed benefits, the effectiveness of B12 treatment varies widely, and further research is needed to understand optimal dosages and drug interactions.
Read More

Most Useful Reviews

9
Nervous system health
41 people found this helpful
This is a vital vitamin for my brain and nervous system function! It’s hard to get enough from food, so supplementation is crucial for combating chronic fatigue syndrome, stress, and insomnia. I take it with folic acid, as they work well together.
Read More
9
Boosted memory
12 people found this helpful
Fatigue? What is that? After taking these pills, I feel energised throughout the day, and my memory has remarkably improved. I used to take ages to learn, but now it’s quick and easy!
Read More
9
Circulation improved
6 people found this helpful
I began taking vitamin B12 for neuropathy and poor circulation, along with other supplements. This brand is affordable and effective, helping with my chronic fatigue syndrome. I’ve observed improvements in my tinnitus and hearing, and my eye condition has remained stable.
Read More

Medical Researches

SCIENTIFIC SCORE
Questionable
Based on 7 Researches
6.4
  • All Researches
8
Vitamin B12 benefits in CFS patients
We investigated the use of vitamin B12 nasal drops in adults with chronic fatigue syndrome (CFS) over three months. A total of 51 patients participated, and we measured their vitamin B12 levels alongside physical activity and fatigue scores.

Remarkably, two-thirds of the participants experienced positive results, including increased activity and better overall scores on fatigue measures. While responders showed significant improvements, the non-responders had only minor increases in vitamin B12 levels.

This indicates that vitamin B12 nasal drops could be a beneficial alternative to injections for many CFS patients.
Read More
We evaluated the impact of B12 injections combined with folic acid on patients with chronic fatigue syndrome, also known as myalgic encephalomyelitis (ME). In our survey of 38 patients, we identified two groups based on their response: Good and Mild responders. Good responders received more frequent and higher doses of B12, leading to significant improvements in their symptoms.

However, Mild responders, many of whom took pain medications, reported minimal progress. Overall, while some patients showed benefits, the effectiveness of B12 treatment varies widely, and further research is needed to understand optimal dosages and drug interactions.
Read More
8
Potential effects on chronic fatigue
We recently came across an intriguing study that highlighted the potential benefits of a combination therapy involving lofepramine, L-phenylalanine, and vitamin B12 for patients suffering from multiple sclerosis (MS). Conducted as a randomized, placebo-controlled double-blind trial, the research aimed to evaluate how this combination could help alleviate various symptoms associated with MS and chronic pain.

While this study did address the role of vitamin B12, it was examined alongside lofepramine and phenylalanine. This makes it challenging for us to pinpoint the specific impact of vitamin B12 in the context of chronic fatigue syndrome on its own. The treatment showed effectiveness in improving symptoms within just two to four weeks, but due to the combination of treatments, we need more focused studies to assess vitamin B12's distinct role.

Overall, it's exciting to see a potential link between this therapy and symptom relief, yet we must remain cautious about attributing the benefits solely to vitamin B12, given the blended approach of the therapy used in the trial.
Read More
7
Vitamin B12 shows unclear benefits
We explored the effect of vitamin B12 on individuals diagnosed with chronic fatigue syndrome. The study focused on assessing how this vitamin might alleviate the symptoms associated with the condition. While many participants underwent concurrent treatments, which complicates isolating vitamin B12's specific impact, the research still provides insightful data.

Participants were monitored to see if vitamin B12 made a notable difference in fatigue levels and overall well-being. However, it appeared that the results were not overwhelmingly positive. The concurrent treatments among participants diluted our ability to assess the true effectiveness of vitamin B12 on its own, leading to an inconclusive outcome.

While we acknowledge the interest in vitamin B12 as a potential remedy for chronic fatigue syndrome, the findings suggest no significant benefits can be attributed to it directly. More focused research might be necessary to fully understand how—or if—vitamin B12 can support those dealing with this challenging syndrome.
Read More
7
Vitamin B12's role in fatigue
We observed that a group of twelve outpatients, all women diagnosed with both fibromyalgia and chronic fatigue syndrome, participated in a study focused on understanding the role of vitamin B12 in their condition. While most of their blood lab results were normal, one significant finding stood out: all patients had elevated levels of homocysteine in their cerebrospinal fluid.

The study found a noteworthy link between these increased homocysteine levels and the degree of fatigue experienced by the patients. Moreover, low levels of vitamin B12 in the cerebrospinal fluid were correlated with feelings of fatigue, suggesting that vitamin B12 might play a vital role in how these patients feel day-to-day.

The researchers concluded that the elevation of homocysteine in the central nervous system could be indicative of fibromyalgia and chronic fatigue syndrome. They suggested that a deficiency in vitamin B12 might hinder the body's ability to regulate homocysteine, contributing to the symptoms of fatigue these patients experience. However, while vitamin B12 is shown to be important in this context, the study does not specifically isolate its effects from other contributing factors or treatments.
Read More

User Reviews

USERS' SCORE
Moderately Good
Based on 67 Reviews
7.7
  • All Reviews
  • Positive Reviews
  • Negative Reviews
9
Nervous system health
41 people found this helpful
This is a vital vitamin for my brain and nervous system function! It’s hard to get enough from food, so supplementation is crucial for combating chronic fatigue syndrome, stress, and insomnia. I take it with folic acid, as they work well together.
Read More
9
Boosted memory
12 people found this helpful
Fatigue? What is that? After taking these pills, I feel energised throughout the day, and my memory has remarkably improved. I used to take ages to learn, but now it’s quick and easy!
Read More
9
Circulation improved
6 people found this helpful
I began taking vitamin B12 for neuropathy and poor circulation, along with other supplements. This brand is affordable and effective, helping with my chronic fatigue syndrome. I’ve observed improvements in my tinnitus and hearing, and my eye condition has remained stable.
Read More
9
Eliminated numbness
4 people found this helpful
I’m pleased I purchased this vitamin. For years, I endured numbness and pain in my hands and elbows at night, with little relief from various treatments. A new doctor recommended vitamin B12, and within two weeks, my chronic fatigue syndrome symptoms disappeared. I have enjoyed several months of being pain-free and no longer experience numbness.
Read More
9
Supports nerve regeneration
2 people found this helpful
Vitamin B12 is vital for nerve regeneration, particularly for my chronic fatigue syndrome. I’ve been taking 5000mcg for five years due to my chronic neurological disorder, CIDP. Recently, I got a 1500mcg capsule for my elderly mum's sciatic pain. If it helps her, I’ll definitely purchase it again.
Read More

Frequently Asked Questions

7.5
Improved morning wakefulness
1 people found this helpful
I was prescribed vitamin B12 due to severe fatigue and memory issues related to my chronic fatigue syndrome. After a week, I’ve felt more active and find it easier to wake up. I take it alongside Omega-3 in the mornings.
9
Eliminated numbness
4 people found this helpful
I’m pleased I purchased this vitamin. For years, I endured numbness and pain in my hands and elbows at night, with little relief from various treatments. A new doctor recommended vitamin B12, and within two weeks, my chronic fatigue syndrome symptoms disappeared. I have enjoyed several months of being pain-free and no longer experience numbness.
9
Enhanced overall health
1 people found this helpful
After taking vitamin B12 supplements for a few months, I’ve experienced remarkable improvements in my chronic fatigue syndrome. My energy levels have increased significantly, along with better concentration and overall mood. It’s been a vital addition to my health regimen.
9
Boosted memory
12 people found this helpful
Fatigue? What is that? After taking these pills, I feel energised throughout the day, and my memory has remarkably improved. I used to take ages to learn, but now it’s quick and easy!
9
Circulation improved
6 people found this helpful
I began taking vitamin B12 for neuropathy and poor circulation, along with other supplements. This brand is affordable and effective, helping with my chronic fatigue syndrome. I’ve observed improvements in my tinnitus and hearing, and my eye condition has remained stable.
9
Increased activity levels
1 people found this helpful
After suffering from severe fatigue and headaches, I combined this vitamin with Vitamin D3, which boosted my activity levels and relieved headaches related to chronic fatigue syndrome.
9
Nervous system health
41 people found this helpful
This is a vital vitamin for my brain and nervous system function! It’s hard to get enough from food, so supplementation is crucial for combating chronic fatigue syndrome, stress, and insomnia. I take it with folic acid, as they work well together.
9
Supports nerve regeneration
2 people found this helpful
Vitamin B12 is vital for nerve regeneration, particularly for my chronic fatigue syndrome. I’ve been taking 5000mcg for five years due to my chronic neurological disorder, CIDP. Recently, I got a 1500mcg capsule for my elderly mum's sciatic pain. If it helps her, I’ll definitely purchase it again.
9
Improved memory
1 people found this helpful
I chose Vitamin B12 in its active form, methylcobalamin, for my mum to combat chronic fatigue syndrome. Since taking it, she worries less, feels less fatigued, experiences less insomnia, and her memory is improving. I highly recommend it!
9
Essential nutrient
Vitamin B12 is crucial for addressing chronic fatigue syndrome, optimising brain health, and enhancing memory and energy levels. It is vital to consume it in courses.
8
Vitamin B12 benefits in CFS patients
We investigated the use of vitamin B12 nasal drops in adults with chronic fatigue syndrome (CFS) over three months. A total of 51 patients participated, and we measured their vitamin B12 levels alongside physical activity and fatigue scores.

Remarkably, two-thirds of the participants experienced positive results, including increased activity and better overall scores on fatigue measures. While responders showed significant improvements, the non-responders had only minor increases in vitamin B12 levels.

This indicates that vitamin B12 nasal drops could be a beneficial alternative to injections for many CFS patients.
We evaluated the impact of B12 injections combined with folic acid on patients with chronic fatigue syndrome, also known as myalgic encephalomyelitis (ME). In our survey of 38 patients, we identified two groups based on their response: Good and Mild responders. Good responders received more frequent and higher doses of B12, leading to significant improvements in their symptoms.

However, Mild responders, many of whom took pain medications, reported minimal progress. Overall, while some patients showed benefits, the effectiveness of B12 treatment varies widely, and further research is needed to understand optimal dosages and drug interactions.
7
Vitamin B12 shows unclear benefits
We explored the effect of vitamin B12 on individuals diagnosed with chronic fatigue syndrome. The study focused on assessing how this vitamin might alleviate the symptoms associated with the condition. While many participants underwent concurrent treatments, which complicates isolating vitamin B12's specific impact, the research still provides insightful data.

Participants were monitored to see if vitamin B12 made a notable difference in fatigue levels and overall well-being. However, it appeared that the results were not overwhelmingly positive. The concurrent treatments among participants diluted our ability to assess the true effectiveness of vitamin B12 on its own, leading to an inconclusive outcome.

While we acknowledge the interest in vitamin B12 as a potential remedy for chronic fatigue syndrome, the findings suggest no significant benefits can be attributed to it directly. More focused research might be necessary to fully understand how—or if—vitamin B12 can support those dealing with this challenging syndrome.

References

  1. van Campen CLM, Riepma K, Visser FC. Open Trial of Vitamin B12 Nasal Drops in Adults With Myalgic Encephalomyelitis/Chronic Fatigue Syndrome: Comparison of Responders and Non-Responders. Front Pharmacol. 2019;10:1102. doi:10.3389/fphar.2019.01102
  2. Regland B, Forsmark S, Halaouate L, Matousek M, Peilot B, et al. Response to vitamin B12 and folic acid in myalgic encephalomyelitis and fibromyalgia. PLoS One. 2015;10:e0124648. doi:10.1371/journal.pone.0124648
  3. Loder C, Allawi J, Horrobin DF. Treatment of multiple sclerosis with lofepramine, L-phenylalanine and vitamin B(12): mechanism of action and clinical importance: roles of the locus coeruleus and central noradrenergic systems. Med Hypotheses. 2002;59:594.
  4. Devitt NF. Chronic fatigue syndrome. JAMA. 1998;279:432.
  5. Regland B, Andersson M, Abrahamsson L, Bagby J, Dyrehag LE, et al. Increased concentrations of homocysteine in the cerebrospinal fluid in patients with fibromyalgia and chronic fatigue syndrome. Scand J Rheumatol. 1997;26:301.
  6. Wiebe E. N of 1 trials. Managing patients with chronic fatigue syndrome: two case reports. Can Fam Physician. 1996;42:2214.
  7. Demitrack MA, Engleberg NC. Chronic fatigue syndrome. Curr Ther Endocrinol Metab. 1994;5:135.
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