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At a glance

24–48 hours

15 minutes

None

Several weeks

24–48 hours

15 minutes

None

Several weeks

Not required

OVERVIEW

What is a B12 Injection?

A B12 injection is an intramuscular (IM) or intravenous (IV) treatment that delivers Vitamin B12 (cobalamin) directly into the bloodstream. This essential vitamin plays a crucial role in energy production, red blood cell formation, nervous system function, and metabolism.

How does it work?

While B12 is naturally found in foods like meat, eggs, and dairy, some individuals have difficulty absorbing enough through diet alone. B12 injections provide rapid absorption, making them ideal for those with deficiencies, low energy levels, or those looking to support overall well-being. They are commonly used to combat fatigue, boost brain function, improve mood, and support healthy hair, skin, and nails.

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FAQ

B12 injections help boost energy, improve metabolism, enhance brain function, and support red blood cell production. They also contribute to healthier hair, skin, and nails while reducing symptoms of B12 deficiency, such as fatigue and brain fog.

For general wellness, injections are often recommended once a week for 4–6 weeks, followed by monthly maintenance. Those with severe deficiencies may require more frequent treatments. Always consult a healthcare professional for personalised advice.

Many people feel an energy boost within 24–48 hours after a B12 injection. Long-term benefits, such as improved mood, metabolism, and cognitive function, can take a few weeks to fully develop.

Yes, B12 injections are safe when administered by a qualified professional. Because B12 is water-soluble, the body naturally excretes any excess. Mild bruising or soreness at the injection site may occur.

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