Vitamin B12 injection London

What is Vitamin B12?

Vitamin B12 is a nutrient that helps to keep your nerves and blood cells healthy. Our bodies don’t make Vitamin B12, it is obtained from foods such as meat, fish, milk and eggs. You may have a deficiency if you are vegan, don’t eat enough B12 rich food, or if you have other health conditions which mean you are unable to absorb it properly, such as pernicious anaemia.

Symptoms of deficiency can vary from person to person, but can include extreme tiredness and lack of energy, breathlessness and feeling faint, headaches, pale skin, heart palpitations and sometimes a loss of appetite and weight loss.

What is the Vitamin B12 injection?

The vitamin B12 injection is known as hydroxocobalamin and is injected into the buttock. Vitamin B12 tablets (known as cyanocobalamin ) are also available and can be bought over the counter from pharmacies or health stores, but are not as effective as the injection.

What do I do if I think I need Vitamin B12 injection?

To be treated at Regents park Aesthetics we do need to check your levels of Vitamin B12, Folate and Intrinsic Factor Antibodies (IFAs) to understand the cause of your deficiency and ensure that you receive the right treatment.

If you are showing symptoms you can see your GP for a test or arrange it privately with our clinic. We need to see the results of this test before we can treat you.

How often should I have a B12 injection?

We usually recommend them fortnightly for 4 sessions. Then once every 3 months.

How do I make an appointment?

You can make one of the following appointments with us:

Consultation and blood test
Starting a new course of B12 treatments
Continuing a previously started course of B12 treatments

When you have your results, you can call our Team on 0207 5804813, who will be able to make an appointment with one of our medical team to start treatment.

Please ensure that you bring a copy of any results with you to your first appointment.

What are the side effects of the B12 injection?

The B12 injection is generally very safe. However, some people may experience some pain, swelling or redness at the injection site, and in much rarer cases headaches, itching or nausea.

Vitamin B12 injection prices London

Vitamin B12 Before & After Images

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Our Google Reviews

Been to Kay and her team for multiple treatments—always careful, consultative and focused on great results!

Theresa Frezzo

19:47 06 Oct 26

Grace is the best! Very experienced practitioner at all injectables - I've had Botox, polynucleotides and sculptra with her and great results with all these treatments. Shes also lovely too!

Zoe Williams

10:26 06 Oct 26

I have been a client for a few years now and most recently treated by Dr Grace who is fantastic. Grace takes the time to listen to my concerns and the results I would like to achieve, providing bespoke and targeted treatments. Grace explains what she is doing and why at each stage and the results are brilliant.

lucy m

05:59 16 Sep 26

Dr. Grace is absolutely lovely—warm, professional, and genuinely attentive. She takes the time to understand individual needs and tailors the treatment accordingly. I felt completely comfortable and in very capable hands throughout my microneedling procedure. I would highly recommend Dr. Grace!

Mandy

18:10 01 Sep 26

I keep coming back to Ms Kay for the anti wrinkle injections, the best in the biz.

13:35 07 Jul 26

I had a hayfever injection today in the clinic in London, and i am pleased to say it went very well. The service provided was thorough and informative. I definitely will be returning!

Amber Gilbert

19:49 17 Jun 26

The field of aesthetics has plenty of providers... but do not think that they are all the same. Kay at Regents Park Aesthetics is exceptional in this specialty. As a retired clinician myself, it is a delight to be in such caring and professional hands. I have been treated by Kay for over 10 years and throughout Kay has consistently helped me to achieve amazing results. She has made me look and feel just lovely. Thank you KayFriday 30th MayI had appointment with SK for Microneedling. This lovely woman is very detailed on her work. You can feel her concentration by the way she applies the treatment. SK is skilled practitioner and I have always been very pleased with the outcome of her work.Thank you SK... it's a pleasure to see you.

Teresa Jenkins

15:25 31 May 26

Just had my appointment with Dr Grace. I’m very pleased with everything. The appointment was on time, Dr Grace was amazing and explained any doubts I had and always made sure I was comfortable

matheus d perim

14:25 15 May 26

I’ve been coming here for years for different treatments, and I’m always so happy with the results. The care, friendliness, and professionalism are consistently amazing, and I really appreciate how welcoming and attentive everyone is. Highly recommend :)

Sophie Drinkwater

09:37 15 May 26

I would highly recommend Teresa. It was my first time having lip filler, and she made the whole experience really comfortable. She explained everything clearly and made sure not to overdo it, which I really appreciated as a first-timer.The results were amazing — subtle, natural, and just a lovely enhancement. I’m so happy with how they turned out.

Nicola D

14:59 04 May 26

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