Medical Researches
Possibly Effective
Based on 11 Researches
We explored the impact of vitamin B12 supplementation on patients experiencing symptoms like depression, fatigue, and neuropathic pain—often linked with rheumatic diseases. Through our review of three case studies, we found that when these patients received vitamin B12 treatment, many of their depressive symptoms significantly improved.
The findings suggest that vitamin B12 may play a crucial role in alleviating not just physical discomfort, but also mental health issues like depression, which can accompany rheumatic conditions. Despite the patients initially presenting normal vitamin B12 levels in lab tests, the supplementation showed almost complete resolution of their symptoms, highlighting that clinical evaluations should not solely depend on blood test results.
In summary, we recommend that healthcare professionals consider assessing vitamin B12 levels early on when diagnosing rheumatic diseases and think about supplementation even if serum levels appear adequate. This approach might offer a straightforward and effective option for improving patients' quality of life.
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This research delves into the question of how vitamin B12 impacts stress resilience and depression. Utilizing a chronic variable stress mouse model, we identified changing gene activity linked to stress resilience after vitamin B12 treatment. By employing advanced techniques like RNA sequencing, we found that vitamin B12 plays a role in altering the way certain genes, particularly one called Ttr, are expressed under stress.
We specifically observed that Ttr, or transthyretin, is influenced by vitamin B12 in a way that appears distinct for different sexes. Our findings indicated that postmortem samples from male patients with depression showed elevated levels of TTR in their brains, while no similar difference was noted in females. Further experimentation demonstrated that manipulating Ttr in the brains of stressed mice led to changes in behavior associated with stress and depression, along with alterations in brain structure and the expression of other related genes.
Notably, when stressed mice received vitamin B12, it appeared to reduce DNA methylation (a chemical modification that can regulate gene activity) in the region controlling Ttr. This led us to establish a clear connection between Ttr’s regulation and behaviors associated with chronic stress. Overall, our work suggests that vitamin B12 supplementation may stimulate mechanisms tied to stress resilience, sparking interest in dietary interventions as a means to combat mood disorders.
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We explored the relationship between vitamin B12 levels and major depressive disorder (MDD) by examining serum vitamin B12, homocysteine (Hcy), and blood profiles in 59 patients diagnosed with MDD. The severity of depression was evaluated using the HAM-D scale, which allows for a clear understanding of how vitamin B12 might be linked to depressive symptoms.
Our findings revealed that vitamin B12 was deficient or depleted in all patients. The average level of serum vitamin B12 was significantly lower in those experiencing severe depression. Furthermore, we observed that the mean Hcy level was high among the participants, compared to normal reference ranges. Interestingly, we noted that patients who included non-vegetarian foods in their diet had higher median levels of vitamin B12.
Overall, our results indicate that there’s a notable correlation between vitamin B12 deficiency and the severity of MDD. Hcy levels were also elevated in these patients. Importantly, the study highlighted that depressive symptoms might appear before the more recognized blood-related manifestations of vitamin B12 deficiency. Thus, our observations suggest that addressing vitamin B12 status could be relevant in managing depressive disorders.
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Vitamin B12's role in PSDAssociation of Vitamin B12 and Polymorphism of with Early-Onset Post-Stroke Depression.
Relevant findings on vitamin B12
We explored the connection between vitamin B12, its transporter genes, and early-onset post-stroke depression (PSD). In a study involving 173 ischemic stroke patients at Xiangya Hospital, we assessed their vitamin B12 and folate levels shortly after their strokes. A notable finding was that 48.6% of participants were diagnosed with PSD two weeks after their strokes.
We observed that those with PSD had significantly lower levels of vitamin B12 compared to those without it. Additionally, a particular genetic variant known as rs1801198 was linked to an increased risk of developing PSD. Specifically, individuals with the GG genotype of this gene had a higher likelihood of experiencing depression after a stroke.
The results suggest that both vitamin B12 levels and genetic factors may play a role in the onset of depression following a stroke. This highlights the potential for vitamin B12 to be included in treatment strategies for PSD, offering new avenues for managing this condition in stroke patients.
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We explored the connection between vitamin B12 and depression, focusing on its potential effects on mental health. Utilizing advanced methods like Mendelian randomization and linkage disequilibrium score regression, we aimed to uncover any causal relationships between this essential micronutrient and conditions like major depressive disorder (MDD).
In our analysis, we specifically looked for single nucleotide polymorphisms (SNPs) linked to vitamin B12 that could act as instrumental variables. Our findings suggested a significant association between vitamin B12 and MDD, indicating that higher levels of this vitamin might help alleviate depressive symptoms.
Particularly, we observed a notable negative correlation, meaning that as vitamin B12 levels increased, the severity of depressive symptoms tended to decrease. However, while the results are promising, we advocate for further research to fully understand the biological mechanisms connecting vitamin B12 and mental health.
These findings shine a light on the crucial role that micronutrients like vitamin B12 could play in supporting mental well-being, emphasizing the need for more in-depth studies in this area.
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User Reviews
Supports emotional stability
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Vitamin B12 is crucial for red blood cell formation and neuron development. Its deficiency can cause neurological problems such as depression, fatigue, and memory impairment. I am taking it due to a deficiency diagnosed in my analysis, and I find that methylcobalamin is the best-absorbed form, helping with both memory and mood.
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