Get your B12 levels back on track with a fast, affordable injection at Dedham Pharmacy.
GPhC-registered pharmacist
No Referral Needed
Same-Day Treatment
Private Appointment Setting
Vitamin B12 Injections
High St, Dedham, Colchester CO7 6DE, United Kingdom
A Vitamin B12 injection delivers hydroxocobalamin directly into the muscle. This bypasses the gut entirely, so your body absorbs it straight away rather than relying on a digestive system that may already be struggling.
Oral supplements are useful for mild cases, but if poor absorption is the root cause, injections are far more reliable. The pharmacist administers the shot into the deltoid muscle of the upper arm, and the whole thing takes a matter of minutes.
From there, your body puts the B12 to work, supporting red blood cell formation, nerve health, and energy production.
Some people simply cannot absorb B12 efficiently, even with a balanced diet. Others do not get enough through food at all.
You may benefit from a B12 injection if you have been diagnosed with a deficiency, follow a vegan or vegetarian diet, or take medications known to reduce B12 absorption.
If you have been diagnosed with pernicious anaemia, your B12 treatment should be managed by your GP. It is a lifelong condition, the NHS provides the injections free, and you need periodic monitoring that sits outside a pharmacy service. We would refer you back rather than treat you here.
If you are unsure whether injections are right for you, the consultation at Dedham Pharmacy will give you a clear answer.
We cannot provide Vitamin B12 injections to anyone who:
Symptoms of Vitamin B12 Deficiency
Deficiency tends to creep up slowly. Many people put the early signs down to stress or overwork and carry on without addressing it.
Common symptoms include persistent tiredness, weakness, pale skin, and difficulty concentrating. Some people notice tingling or numbness in their hands and feet, and low mood is also frequently reported.
Left untreated, severe deficiency can damage the nervous system in ways that are not always reversible.
What Can Cause Vitamin B12 Deficiency?
The most common cause is poor absorption, not low intake. Pernicious anaemia prevents the stomach from producing intrinsic factor, which the body needs to absorb B12 properly.
A strictly plant-based diet is another major risk factor, since B12 is found almost entirely in animal products. Long-term use of metformin or proton pump inhibitors also affects how much B12 the gut can take in.
Older adults, people with Crohn’s disease, and those who have had gastric surgery are all more vulnerable than the general population.
At Dedham Pharmacy, the service starts with a short one-to-one consultation. Your pharmacist will review your symptoms, health history, and diet before confirming whether Vitamin B12 therapy is suitable for you.
If everything checks out, you receive the 1000 mcg hydroxocobalamin injection during the same appointment. There is no separate booking, no referral to chase, and no unnecessary wait between steps.
The dose is clinically appropriate, the environment is private, and the whole visit typically takes no more than 15 to 20 minutes.
B12 is almost entirely absent from plant-based foods. That makes vegans and vegetarians the group most likely to develop a deficiency over time, often without realising it is happening.
Oral supplements can top up levels in mild cases, but once absorption becomes a problem, or levels have already dropped significantly, a Vitamin B12 shot works faster and more predictably. Many of our vegan patients book a maintenance injection every two to three months.
It is a simple, practical step that fits around a plant-based lifestyle without requiring any dietary changes.
Choose a time online or by phone. Pre-booking is recommended, though we accommodate walk-ins where availability allows.
Your pharmacist will go through your symptoms and health background to confirm that B12 injections are the right course of action for your situation.
Once cleared, the hydroxocobalamin injection is administered during the same visit. It is quick, clean, and most patients find it straightforward.
Most people tolerate hydroxocobalamin injections without any issues. The most common side effect is mild soreness or redness at the injection site, which usually clears up within a day. Some patients notice a brief warm feeling immediately after the shot. This is a normal reaction and settles quickly.
Injection-site soreness, mild tenderness, or redness
A brief feeling of warmth after the shot
Mild nausea occasionally reported in first-time patients
Some patients notice a mild headache
Light-headedness is rare and usually resolves quickly
Itching or skin flushing is uncommon but possible
Contact the pharmacy if any of these side effects persist or worsen.
This depends on the underlying reason for your deficiency. If your GP has confirmed a B12 deficiency, the standard course is a loading phase first six injections over two weeks, followed by a maintenance injection every two to three months. If you are having injections for prevention rather than treating a confirmed deficiency, every two to three months is usually enough from the start. Bring any blood results with you so we can work out which applies.
Conditions like pernicious anaemia typically require a more frequent schedule, particularly in the early weeks of treatment. Your pharmacist will advise you based on your consultation and any existing test results you bring.
The frequency is not fixed. It is adjusted to your needs rather than applied as a blanket rule.
Every injection is administered by a fully registered, trained pharmacist. You receive safe, professional care without needing to visit a clinic or hospital.
The £30 covers the consultation and the treatment. There is no additional fee for the initial assessment, keeping the process simple and transparent.
There is no waiting between your consultation and your injection. If you are suitable, you receive the treatment during the same appointment, on the same day.
The pharmacy sits on Dedham High Street, easy to reach from Colchester and the surrounding villages. Parking is available nearby and the area is well connected by public transport.
We take the time to go through your situation properly. Appointments are carried out in a private setting, and no question is too small to ask.
Mandeep Sandhu is the superintendent pharmacist and owner of Dedham Pharmacy, registered with the General Pharmaceutical Council under registration number 2064849.
With over a decade of experience in community pharmacy practice, Mandeep leads the clinical services at Dedham including the travel health clinic, weight management programme, and private consultation services.
Great having a pharmacy that is open late and during weekends. Quick and efficient, great service.
I see they were also offering a flu jab service, if that’s something you need.

Great having a pharmacy that is open late and during weekends. Quick and efficient, great service.
I see they were also offering a flu jab service, if that’s something you need.

Great having a pharmacy that is open late and during weekends. Quick and efficient, great service.
I see they were also offering a flu jab service, if that’s something you need.

EXCELLENT
Based on 407 reviews
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Steve HaydonTrustindex verifies that the original source of the review is Google.
Very friendly but thorough discussion around vaccination requirements. Vaccinations administered with minimal fuss. Very good experience!Posted on Google![]()
Kevin RamplinTrustindex verifies that the original source of the review is Google.
Ear wax removal - very efficient and friendly service.Posted on Google![]()
Mark & Anne-Marie PerkinsTrustindex verifies that the original source of the review is Google.
Great service, very kind, sensitive and knowledgeablePosted on Google![]()
Robert GambleTrustindex verifies that the original source of the review is Google.
Very friendly and helpful staff, especially MadelinePosted on Google![]()
Andrew SmithTrustindex verifies that the original source of the review is Google.
Fantastic service. Had blood taken and the phlebotomy person was great. Pain free extract. Thankyou.Posted on Google![]()
David CouldreyTrustindex verifies that the original source of the review is Google.
Had a great experience for my initial consultation and allergen testing. The staff were incredibly welcoming, explained every step clearly, and made the whole process quick and stress-free. Highly recommend!"Posted on Google![]()
Dan BagleyTrustindex verifies that the original source of the review is Google.
Wonderful service, gentle and professionalPosted on Google![]()
Caroline DowdingTrustindex verifies that the original source of the review is Google.
lovely staff and so efficient and friendly. I can't rate them highly enoughPosted on Google![]()
Paul sharlandTrustindex verifies that the original source of the review is Google.
Very clean good service for ear wax removal would highly recomendPosted on Google![]()
Lynette BurgessTrustindex verifies that the original source of the review is Google.
Very helpful pre-visit information and questions answered, all on email, thank you. Lovely location in Dedham and handy, nearby, free parking. Not sure about buses as it’s a rural location. Level access in the pharmacy itself and we were seen promptly. Friendly service. A mix up on cost which was eventually sorted loses it one star.
Skip the queue and manage your repeats online through our secure patient portal.
It depends why you are having it. If you are a vegan, take metformin or a PPI, or have had bariatric surgery, we can give a preventive injection without a test. If you think you may already be deficient, get tested first, either through your GP or privately. Injecting B12 before testing corrects the blood result without telling anyone why the level was low, and if the cause is pernicious anaemia that matters.
Some patients notice a lift in energy within a few days. For others it can take one to two weeks before the improvement becomes noticeable.
Yes. Hydroxocobalamin is the injectable form of B12 and is absorbed far more efficiently than most oral supplements, particularly when gut absorption is compromised.
Most medications are not a barrier, but your pharmacist will review what you take during the consultation to make sure there are no concerns before proceeding.
No special preparation is needed. Staying well-hydrated beforehand is sensible, and bringing any previous blood test results or GP letters is helpful but not essential.