Vitamin B12 Injections & Boosters

What is Vitamin B12 Injections?

Vitamin B12 is an essential nutrient that plays a vital role in how your body functions, from energy production and brain function to mood regulation and metabolism. Many people are deficient without even realising it, and that deficiency can show up as persistent tiredness, brain fog, low mood, or a general feeling of running on empty.

B12 injections deliver the vitamin directly into the bloodstream, bypassing the digestive system entirely. This makes them significantly more effective than oral supplements, which can be poorly absorbed by the body and take much longer to make a noticeable difference.

At Blossom Beauty, B12 injections are administered by Katie, giving you the reassurance of a professional, caring environment where your wellbeing is always the priority.

Results can include improved energy levels, better concentration, a more stable mood, and support for a healthy metabolism. Many clients notice a difference within days of their first injection, with benefits building further over a course of treatments.

Who is it for?

B12 injections at Blossom Beauty may be right for you if you:

feel persistently tired or lacking in energy despite getting enough sleep
experience brain fog, poor concentration, or difficulty staying focused
have been feeling low in mood or emotionally flat without a clear reason
are going through the menopause and noticing a dip in your energy or general wellbeing
follow a vegan or vegetarian diet and may be lacking B12 through food alone
have been told you have a B12 deficiency or suspect you might
take regular medication that can interfere with B12 absorption, such as metformin or acid reflux medication
want a quick, professional treatment with no downtime that fits easily into your routine
are looking for a natural way to support your energy, mood, and metabolism alongside other treatments

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Treatment Benefits

Increased energy
Improved mood
Sharper focus
Better sleep

Faster metabolism
Reduced brain fog
Stronger immunity
Healthier skin

Reduced fatigue
Improved concentration
Hormonal support
Nerve health

AT A GLANCE

Treatment Overview

APPOINTMENT LENGTH

15 minutes

DOWNTIME

Mild soreness, swelling or bruising at the injection site for 24-48 hours

RESULTS

Within 24 - 72 hours
Booster recommended every 4-8 weeks

DURATION OF RESULTS

May last 2-8 weeks depending on B12 deficiency

Cost

£100 - 4 week course
£30 - booster injection

CONSULTATION REQUIRED

No

Feeling like yourself again should not be a luxury. B12 injections at Blossom Beauty are a simple, effective way to restore your energy, lift your mood, and get back to feeling your best.

Pre & Post Treatment Advice

- Attend your appointment well hydrated.
- Eat a light meal before your appointment to help reduce the chance of feeling faint.
- Wear clothing that allows easy access to your upper arm if the injection is being given in the deltoid muscle.

- You can return to your normal daily activities immediately after your injection.
- Keep the injection site clean and dry for the rest of the day.
- Avoid touching or rubbing the injection site to reduce irritation and the risk of infection.
- Avoid strenuous exercise for 12–24 hours if the injection site feels sore.
- Stay well hydrated by drinking plenty of water.
- Eat a balanced diet to support your overall health and wellbeing.
- Mild redness, tenderness, swelling, or bruising at the injection site is normal and should settle within a few days.
- If you experience discomfort, you may apply a cool compress to the area for short periods.
- Avoid alcohol for the remainder of the day if possible, as it may increase bruising.
- Follow the treatment schedule recommended by your practitioner, as B12 injections are often given as a course before moving to maintenance injections.
When to Seek Medical Advice
- Contact your practitioner or seek urgent medical attention if you experience:
- Increasing pain, redness, swelling, or discharge at the injection site.
- A fever or signs of infection.
- Difficulty breathing, swelling of the face, lips, tongue, or throat.
- A widespread rash or severe allergic reaction.
- Persistent dizziness or fainting that does not improve.

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Frequently Asked Questions

Vitamin B12 is essential for the normal functioning of the nervous system, red blood cell production, and energy metabolism. If you have a B12 deficiency, injections can help restore normal levels. Some people without a diagnosed deficiency choose B12 injections, but benefits may vary.
If low B12 is contributing to your tiredness, you may notice an improvement as your levels are restored. If your B12 levels are already normal, there's no guarantee you'll experience an increase in energy.
Some people report feeling better within a few days, while others may take several weeks or notice improvements only after completing a course of injections.
This depends on why you're having B12 injections. Some people require regular injections every few months for a medical deficiency, while others follow a maintenance schedule recommended by their practitioner.
Most people describe it as a quick pinprick. You may have mild soreness or tenderness in the arm for a day or two afterwards.
No. Most people return to work and normal activities straight away.
Most side effects are mild and temporary, such as:
- Redness or tenderness at the injection site.
- Mild bruising.
- Slight swelling.
Serious allergic reactions are rare but require immediate medical attention.
Not everyone is suitable. You'll need a consultation to review your medical history, medications, allergies, and whether the treatment is appropriate for you.

If you have symptoms that may indicate a B12 deficiency, your GP may recommend blood tests. A blood test can confirm whether your symptoms are due to low B12 and whether treatment is needed.
No. B12 injections are not a weight-loss treatment. They should not be promoted as a way to lose weight.
You should discuss this with your GP, midwife, or another appropriate healthcare professional before having treatment.
In most cases, yes, but always tell your practitioner about any medications or supplements you're taking so they can assess whether treatment is appropriate.
This depends on the reason for treatment. Some people have an initial course followed by maintenance injections, while others may only need occasional treatment if recommended by their healthcare provider.
Yes. Unless you feel unwell or dizzy after the injection, you can usually drive and carry on with your normal day.
Stay hydrated, avoid rubbing the injection site, and monitor for any unusual reactions. Mild soreness or bruising is common and usually settles within a few days.