B-12 Shot

The Saint Louis Med Spa offers B-12 shots.  A B-12 shot is an injection of vitamin B12—an essential water-soluble nutrient that plays a vital role in red blood cell formation, neurological function, and DNA synthesis. For some individuals, especially those who are deficient in B12, these injections can help ensure adequate levels of the vitamin in the body.

What It Is Used For:

  1. Treating B12 Deficiency: Many people with low B12 levels—often due to conditions like pernicious anemia, malabsorption disorders (e.g., Crohn’s disease or celiac disease), or following gastric bypass surgery—receive these shots to correct the deficiency.
  2. Supporting Energy and Mood: While B12 injections are not a cure-all, they can help improve energy levels and potentially lift mood in individuals who were previously deficient.
  3. Nerve and Brain Function Support: Adequate B12 can maintain healthy nerve cells and may help reduce symptoms like numbness, tingling, or memory problems associated with low levels.
  4. Red Blood Cell Production: Sufficient B12 is essential for making healthy red blood cells, which support oxygen transport throughout the body.

How It Is Injected:
B-12 injections are typically administered as intramuscular (IM) injections. Our nurse injectors often use the upper arm (deltoid). The steps generally include:

  1. Preparation: The area is cleaned with an alcohol swab to minimize infection risk.
  2. Injection: Using a sterilized syringe and needle, the vitamin B12 solution is injected deep into the muscle.
  3. Aftercare: Pressure is applied to the site if needed, and a bandage may be placed. The procedure is relatively quick and typically only mildly uncomfortable.

Potential Side Effects:
While most people tolerate B-12 injections well, some may experience:

  1. Mild Discomfort at the Injection Site: Tenderness, redness, swelling, or slight bruising where the shot is given.
  2. Gastrointestinal Issues: Occasionally mild diarrhea or an upset stomach.
  3. Allergic Reactions (Rare): In very rare cases, individuals may experience hives, itching, or difficulty breathing, requiring immediate medical attention.
  4. Dizziness or Lightheadedness (Uncommon): Occasionally people may feel faint after the injection, often due to anxiety or discomfort.

In general, B-12 shots are considered safe under the guidance of a qualified healthcare provider, especially for those who are clinically deficient in this essential nutrient.  They are a great way to boost your energy, maintain your health, and feel better thoughout the day.

Benefits of a B-12 Shot

Improved Energy Levels: Correcting a deficiency can reduce fatigue and help restore normal energy levels.

Enhanced Mood and Cognitive Function: Some individuals experience improved mental clarity, reduced brain fog, and a more stable mood after consistent injections.

Better Metabolic Function: Adequate B12 supports proper metabolism of fats and proteins, ensuring healthier body function overall.

Long-Term Health Maintenance: Preventing or correcting deficiency can guard against serious complications like severe anemia and irreversible nerve damage.

Book My B-12 Shot

B-12 Shot

Frequently Asked Questions

Who Needs B-12 Shots?

Anyone diagnosed with a vitamin B12 deficiency—often due to conditions like pernicious anemia, certain gastrointestinal disorders, or a diet low in B12—may benefit.

How often do I need a B-12 shot?

Frequency depends on individual needs and the severity of the deficiency. Some individuals start with frequent injections (e.g., weekly) and then taper off to monthly or quarterly maintenance shots.

Are B-12 Shots Painful?

They’re usually only mildly uncomfortable. Most people feel a brief sting at the injection site, similar to most intramuscular injections.

How Long Does It Take To Feel The Effects?

Typically 2-4 weeks depending on peel type and your esthetician's recommendations

What Are The Side Effects?

Mild side effects can include tenderness at the injection site, slight swelling, or redness. Rarely, allergic reactions can occur.