Vitamin B12 is an essential nutrient that plays an important role in several biological processes throughout the body. It contributes to normal nerve function, red blood cell production and DNA synthesis.
Because the body cannot produce vitamin B12 on its own, it must be obtained through food, fortified products or supplementation when appropriate.
This article is intended for educational purposes only and should not be considered medical advice, diagnosis or treatment.
Vitamin B12 is a water-soluble vitamin that supports several important functions in the body, including:
Adequate vitamin B12 intake is an important part of maintaining overall health and wellness.
Some individuals may be at a greater risk of developing vitamin B12 deficiency due to dietary choices, age or medical conditions.
Factors that may affect vitamin B12 intake or absorption include:
A licensed healthcare provider can help determine whether vitamin B12 testing may be appropriate based on an individual's symptoms and health history.
Vitamin B12 deficiency can present differently from person to person. Potential signs and symptoms may include:
Because these symptoms may be associated with many different health conditions, proper evaluation by a healthcare provider is important.
Vitamin B12 is naturally found in many animal-based foods, including:
Some cereals and other food products may also be fortified with vitamin B12.
Individuals following plant-based diets may wish to discuss their nutritional needs with a healthcare provider or registered dietitian.
In some cases, healthcare providers may recommend vitamin B12 supplementation when dietary intake is inadequate or absorption is impaired.
The appropriate form and amount of supplementation can vary based on individual circumstances, laboratory findings and healthcare provider recommendations.
Individuals should consult with a qualified healthcare provider before beginning any supplementation program.
Vitamin B12 plays an important role in maintaining normal bodily functions and overall wellness. Understanding dietary sources, deficiency risk factors and the importance of proper evaluation can help individuals make informed decisions about their health.
If you have questions about vitamin B12 or concerns about possible deficiency, a licensed healthcare provider can help determine whether additional evaluation may be appropriate.
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This content is for educational and informational purposes only and should not be interpreted as medical advice. TeleWellnessMD® is a technology platform that connects patients with licensed healthcare providers. TeleWellnessMD® does not practice medicine, provide medical advice, or dispense medications. All therapies require evaluation and approval by a licensed healthcare provider. Results may vary.