Vitamin B12 Benefits, Deficiency, Supplementation [Infographic]

Vitamin B12 Benefits, Deficiency and Supplementation
The Power of  B12
Infographic and Article from Global Healing Center

What is Vitamin B12?

Vitamin B12 aka Cobalamin is a water-soluble vitamin that plays a key role in several vital body functions and processes including in the central nervous system, cardiovascular system, endocrine system and in multiple metabolic pathways.  It is best known for its role in the formation and maintenance of nerve and red blood cells.  It also aids in the synthesis of DNA.

B12 and Bacteria

Vitamin B12 is produced by certain microorganisms aka bacteria that live in the environment but that are also present in a healthy human gut microbiome.  There is a question, however, whether the B12 secreted by bacteria in the microbiome is available to the human host.

B12 in Foods

Since the human body does not make Vitamin B12, it is considered an essential micronutrient that must be obtained from the diet.

Foods that contain relative good amounts of B12 include beef liver, sardines, mackerel, shellfish, raw cheese, raw milk, and fortified cereal and soy products.

B12 Deficiencies

Vitamin B12 deficiency is a major concern in certain parts of the world.

In the U.S., the latest findings indicate that B12 deficiency may be more widespread than was thought.  According to a report by Tufts University, at least 40% of the population is B12 deficient.  Read more here:  B12 Deficiency May be More Widespread Than Thought - USDA ARS.

At particular risk are the elderly, vegans, vegetarians, diabetics, alcoholics, anemics and individuals with certain types of autoimmune diseases and digestive disorders including Irritable Bowel Syndrome aka IBS and gut bacterial overgrowth or imbalances.


Although health experts generally advise to obtain essential nutrients from food, Vitamin B12 supplementation is often recommended for those individuals at risk for deficiency or who have been tested as being deficient.


This infographic from Global Healing Center illustrates and explains some key points about B12 health benefits, deficiency, foods and supplements.  For more information and to read the article please visit What's the Most Absorbable Form of B12? - Global Healing Center.


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  4. Supplements vs. Food Visual Guide
  5. Guide to Optimizing Vitamin and Supplements

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