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The MSN Healthcare Health Blog offers news and analysis on weight loss, fatigue, personal health, and health news. It includes contributions from Dr. Mark Neumann and others. Click now.


Everything You Should Know About B12 Injections

Mark Neumann

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For people who cannot absorb dietary vitamin B12 or cannot consume it due to their diet, B12 injections have become popular for helping with deficiencies.

What Is Vitamin B12?

Vitamin B12 is a water-soluble vitamin typically found in meat, seafood, and dairy. Because it is water-soluble, people must ingest it regularly to avoid deficiency. B12 helps with DNA synthesis, red blood cell formation, nerve cell health, energy production, and neurological functions. When digested, B12 separates itself from foods and is absorbed in the bloodstream. Doctors recommend that men and women over the age of 14 need 2.4 micrograms (mcg) a day.

What Are B12 Injections?

B12 injections use cyanocobalamin, a man-made version of B12 containing high amounts of the vitamin. These shots quickly boost B12 levels and doctors can administer the injection or a person can do it independently. Cyanocobalamin is also present in tablet, capsule, or liquid form. B12 injections are only available through prescriptions.

Who Needs B12 Injections?

Although the liver can store years of B12 in the body, some people are still at risk of B12 deficiency. These people are older adults, people with gastrointestinal problems, vegetarians and vegans, and those who smoke or drink heavily. Older adults may find it more difficult to absorb B12. Vegetarians and vegans won’t be able to get enough of the vitamin without a supplement because it only occurs naturally in meat and dairy products.

What Are the Benefits of B12 Injections?

B12 injections can increase energy, may reduce depression, boost metabolism, and protect heart health. It can also help with fetal development during pregnancy because pregnant women usually need more vitamin B12.

RELATED ARTICLE: Benefits of B12 Injections

What Are the Risks and Side Effects?

There are mild to severe risks from B12 injections. Mild side effects include some pain at the injection site and swelling in the body. Moderate side effects include muscle cramps, weakness, and fatigue. Severe side effects include slurred speech, difficulty breathing, swelling in face, throat or tongue, and dizziness. If these moderate or severe side effects occur, a person must see a doctor immediately to perform an emergency intervention.

Vitamin B12 deficiency is one of the most common vitamin deficiencies in the world. Although it is available for absorption from many foods, sometimes it is necessary to have B12 injections to help with deficiencies and improve other health conditions. However, it is also important to keep an eye out for possible risks and side effects and to consult a doctor before trying B12 injections.

Think you may be deficient in B12? Don’t be afraid to seek help.

Dr. Neumann is happy to discuss your health and weight loss goals in more detail. Call (734) 847-4700 to schedule your consultation today.

Be sure to ask about our B12 injection promotion - $50 B12 injections for 5 or $100 for 10. Promotion applies only to existing patients.