All articles tagged with #vitamin b12
A global metagenomics study across more than 11,000 people finds the uncultured gut bacterium CAG-170 consistently higher in healthy individuals and capable of producing Vitamin B12, suggesting it helps sustain the gut ecosystem and could become a biomarker for gut health or a target for new probiotic therapies.
Vitamin B-12 is essential for brain health, supporting myelin formation, DNA synthesis, and neurotransmitter production while helping to reduce homocysteine. A deficiency can cause fatigue, memory issues, concentration problems, balance troubles, and mood changes, with higher risk in older adults and those who are vegetarian/vegan or have absorption issues. Testing B-12 (and related markers) and early treatment with diet or supplements can reverse cognitive symptoms; untreated deficiency can lead to lasting brain decline or dementia.
Vitamin B-12 is essential for brain and nerve function; deficiency can cause fatigue, numbness, memory problems, and cognitive decline, especially in older adults and vegetarians. Early testing and treatment—via diet, supplements, or injections—can reverse symptoms and protect long-term brain health.
Cornell researchers show vitamin B12 acts as a gatekeeper for metabolic hub pathways, linking B12 status to muscle mitochondrial energy production and potentially aging, immune resilience, and disease risk. The study identifies biomarkers for early nutritional stress and suggests B12–based personalization of nutrition. Findings from cell and mouse models require human trials to confirm; suboptimal B12 status is common in older adults and in vegans/vegetarians due to reduced meat intake or malabsorption.
Indore physician Dr. Chetan Kothari emphasizes the importance of not ignoring vitamin B12 deficiency, which can cause symptoms like numbness, dizziness, and brain fog, and highlights that timely testing and treatment are crucial to prevent serious long-term health issues.
Experts warn that taking high doses of vitamin B12 supplements may disrupt sleep patterns, causing issues like sleep fragmentation and early waking, despite B12's role in sleep regulation. They recommend obtaining B12 through diet rather than supplements and suggest natural sleep hygiene practices to improve sleep quality.
Long-term use of medications like metformin and proton pump inhibitors can impair vitamin B12 absorption, leading to deficiency symptoms such as fatigue, numbness, and cognitive changes. Regular B12 testing is recommended for those on these drugs to detect and treat deficiencies early.
Nutrient deficiencies such as low levels of Vitamin B12, Omega-3s, Magnesium, Vitamin D, Vitamin E, and Anthocyanins can accelerate brain aging and increase the risk of cognitive decline and neurodegenerative diseases. Consuming a balanced diet rich in these nutrients and maintaining a healthy lifestyle can help slow down the brain aging process.
UCSF researchers found that even 'normal' levels of vitamin B12 may not be sufficient to protect the aging brain, as lower B12 levels within the normal range are associated with cognitive decline, white matter damage, and slower processing speeds in older adults, prompting calls to revise current B12 guidelines.
This article highlights seven foods rich in vitamin B12, essential for energy, nerve, and brain health, including eggs, fortified cereals, nutritional yeast, seafood, dairy, meats, and fortified plant-based milks, offering dietary options for various lifestyles to prevent deficiency and boost vitality.
Vitamin B12 supplementation should be tailored to individual needs, especially for those with diabetes or absorption issues. Most healthy non-vegans do not need supplements, as excess B12 is excreted. People with certain health conditions or on specific medications may require testing and higher doses, with treatment depending on the cause of deficiency.
This article highlights various foods rich in vitamin B12, such as eggs, fish, dairy, meats, fortified cereals, and plant-based options, emphasizing their role in supporting brain health, memory, and nerve function. Incorporating these foods into your diet can help prevent B12 deficiency-related cognitive decline and boost mental sharpness.
The article highlights 11 foods rich in vitamin B12, such as clams, liver, fish, eggs, dairy, sardines, lean beef, and nutritional yeast, emphasizing their role in supporting energy, nerve function, blood cell production, and overall health. It also discusses recommended daily intake, the safety of supplements, and the importance of a balanced diet for maintaining adequate B12 levels.
People with diabetes often experience deficiencies in vitamins D, B12, B1, B6, and C due to medication effects, high blood sugar, and dietary restrictions, which can impact bone health, nerve function, and immune health. Consulting healthcare providers for proper management is recommended.
Veganism in childhood can offer health and environmental benefits if carefully planned, but it requires attention to nutrients like B12, omega-3s, calcium, and iron to prevent deficiencies and support growth, with expert advice emphasizing the importance of supplementation and professional guidance.