Vitamin B12 (cobalamin) is an essential B vitamin the body can not produce so it must come from food or supplements. It is required for energy metabolism, DNA synthesis, red blood cell formation and nerve cell function. The active form of vitamin B12 is methylcobalamin is the form most often used in supplements.
1. Mood and Depression
In a cross-sectional analysis of 9,670 individuals, researchers found that low intake of vitamin B12 was associated with depression.1
A 2005 study suggests that vitamin B12 supplementation could be tried in the treatment of depression.2 Another concluded vitamin B12 in addition to antidepressants works better than antidepressants only.3
Vitamin B12 may help improve depression.
Vitamin B12 plays an essential role in metabolism and energy production in the body.4
People who are deficient in vitamin B12 will likely see an increase in energy from taking a supplement.5
Vitamin B12 may help increase energy in those who are deficient.
3. Heart Health
Vitamin B12 may help improve heart health and reduce the risk of heart disease.
4. Nerve Pain
Researchers in a 2013 review state that vitamin B12 as methylcobalamin helps protect nerves by promoting the regeneration of injured nerve cells and reducing glutamate neurotoxicity. In addition, they claim vitamin B12 can help alleviate the pain associated with lower back pain, neuralgia and diabetic neuropathy.8
Vitamin B12 may help reduce nerve pain my protecting and regenerating nerve cells.
5. Thyroid Health
Normal thyroid hormone levels are required for maintaining a healthy weight and metabolism.
Vitamin B12 deficiency is a common occurrence in hypothyroidism and supplementation leads to improvement in symptoms.9
Vitamin B12 may help correct hypothyroidism.
6. Adrenal Health
Overproduction of cortisol can occur during times of high stress which may cause anxiety.
Vitamin B12 may help normalize cortisol production by the adrenal glands.
Vitamin B12 is an essential vitamin that may help improve thyroid, adrenal and heart health in addition to other benefits.*
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