B12 acts as a cofactor in synthesis of neurotransmitters such as serotonin and dopamine, thus B12 deficiency affects mood, emotions and sleeping and can lead to psychiatric disorders.
B vitamins enhance your brain health by facilitating an increase in dopamine levels.
Vitamin B12 (also called methylcobalamin) isn't a stimulant like caffeine. However, maintaining optimum B12 levels plays a key role in preventing you from feeling tired and weak.
Vitamin B12 is known to have fundamental roles in the brain function at all ages and also in the prevention of disorders of CNS development, mood disorders and dementias including Alzheimer's disease and vascular dementia in elderly people [11].
B Vitamins For Brain Fog
Sufficient levels of vitamin B12 are necessary to optimize nerve function, memory, and quick thinking. If you don't eat adequate amounts of shellfish, poultry, and dairy products, vitamin B12 supplements can help improve cognitive decline, poor memory, as well as muddled thinking.
Vitamin B-12 and other B vitamins play a role in producing brain chemicals that affect mood and other brain functions. Low levels of B-12 and other B vitamins such as vitamin B-6 and folate may be linked to depression.
Once you begin treating your vitamin B12 deficiency, it can take up to six to 12 months to fully recover. It is also common to not experience any improvement during the first few months of treatment. If you can, it's a good idea to address what's causing the deficiency.
Deficiency of Vitamin B12 can result in hematological changes, neurological and psychiatric problems, which can manifest as irritability, changes in personality, depression, and memory loss [9]. It is also known to worsen depression by excitotoxic reactions caused by the accumulation of homocysteine [10].
People who are concerned about their low level of energy should be advised that unless they already suffer from a vitamin B12 deficiency, there is no strong evidence to support the notion that taking large doses of vitamin B12 will increase their energy levels.
Vitamin D, B5 and B6. These vitamins are needed to make dopamine.
When taken at appropriate doses, vitamin B-12 supplements are generally considered safe. While the recommended daily amount of vitamin B-12 for adults is 2.4 micrograms, higher doses have been found to be safe. Your body absorbs only as much as it needs, and any excess passes through your urine.
B12 acts as a cofactor in synthesis of neurotransmitters such as serotonin and dopamine, thus B12 deficiency affects mood, emotions and sleeping and can lead to psychiatric disorders. Psychiatric manifestations of B12 deficiency are varied.
B12 supplements are usually safe. For adults, doctors recommend 2.4 micrograms a day. If you take more than what you need, your body passes the rest out through your pee. Still, high doses could have some side effects, like dizziness, headache, anxiety, nausea, and vomiting.
Very high daily doses of vitamin B12, ranging between 1000 and 2000 mcg, may effectively restore B12 levels within the body and positively impact depression symptoms. Even doses as low as 100 mcg are potent enough to positively impact cognition in adults with depressive symptoms.
Vitamin B12 deficiency can have distressing neuropsychiatric symptoms. It can have an etiological role in clinical presentations like depression, anxiety, psychosis, dementia, and delirium, requiring screening of at-risk populations.
Thus if you're otherwise healthy but still continue to feel tired after taking a B-12 supplement, it could be a sign of a mild allergic reaction. If a rash, difficulty breathing or swelling coincides with taking your dose of B-12, get to the doctor right away.
Folic acid and vitamin B12 are involved in the synthesis of serotonin and other neurotransmitters. Vitamin B12 deficiency has been found in many patients who have depression or decreased attention, concentration, and memory.
Making sure you're getting enough vitamin B12 by taking a supplement or getting a vitamin B12 injection at your local pharmacy can help you better deal with stress and ensure you stay healthy and happy, regardless of what is going on in your life.