Constant tiredness, brain fog, or a general sense that you’re just not quite yourself. It’s easy to put these things down to stress, lack of sleep or getting older.
But for a significant number of people, symptoms like these point to something more specific: vitamin B12 deficiency. It’s common, often overlooked, and – with the right support – straightforward to treat.
Here’s what to watch for, who’s most at risk, and how a B12 injection at McMinns Pharmacy can help.
What does vitamin B12 actually do?
Vitamin B12 plays a key role in making red blood cells, keeping your nervous system working properly, and helping your body release energy from food.
Because it’s involved in so many essential processes, a shortfall doesn’t just leave you tired. It can affect your mood, memory, and even your balance and coordination if it goes on long enough.
Signs and symptoms of B12 deficiency
B12 deficiency symptoms tend to develop gradually, which is part of why they’re so easy to miss or misattribute to something else. They can include:
- Persistent fatigue and weakness
- Breathlessness, headaches, and heart palpitations
- Loss of appetite and indigestion
- A sore or inflamed tongue, sometimes with mouth ulcers
- Vision disturbances
- Pins and needles, numbness, or muscle weakness
- Problems with balance and coordination
- Memory difficulties, low mood, anxiety, or confusion
That last group is worth paying particular attention to.
Because B12 is so important for nerve function, deficiency can cause genuine psychological and neurological symptoms – not just “feeling a bit off.”
Left untreated for long enough, some of these effects can become permanent, which is exactly why it’s worth getting checked rather than assuming it’ll pass.
Who’s most at risk?
Anyone can develop a B12 deficiency, but some groups are considerably more likely to:
Pernicious anaemia is the most common cause of B12 deficiency in the UK. It’s an autoimmune condition where the body attacks the stomach cells needed to absorb B12 from food. It’s more common in women, in people around 60 and over, and in those with a family history of the condition or other autoimmune conditions.
Diet matters too. B12 is found almost exclusively in animal products – meat, fish, eggs and dairy – so anyone following a vegan diet, or a largely plant-based one without fortified foods or supplements, is at higher risk over time. It’s worth knowing the body can store several years’ worth of B12, so a dietary gap doesn’t always show up immediately.
Digestive conditions such as Crohn’s disease, or previous stomach surgery, can interfere with your body’s ability to absorb B12 even if your diet is fine.
Certain medications are also linked to lower B12 levels, including long-term use of proton pump inhibitors (PPIs) for acid reflux, and metformin, commonly prescribed for type 2 diabetes. If you’re on either long-term, it’s worth keeping an eye on how you’re feeling and mentioning it at your next review.
How is B12 deficiency treated?
Treatment depends on the cause.
Where deficiency is linked to diet, increasing intake through food or oral supplements may be enough.
But where absorption is the issue – as with pernicious anaemia or digestive conditions – oral supplements often aren’t effective. This is because the problem isn’t how much B12 you’re consuming, it’s your body’s ability to take it in through the gut.
That’s where B12 injections come in. By delivering vitamin B12 directly into the muscle, injections bypass the digestive system entirely, making them a reliable option for people whose deficiency is caused by an absorption problem, or for anyone who wants a more direct route to correcting their levels.
B12 injections at McMinns Pharmacy
At McMinns Pharmacy, we offer private vitamin B12 injections for people experiencing symptoms of deficiency, or who have absorption difficulties that make dietary changes alone insufficient.
Not everyone needs a B12 injection, so our pharmacy team will talk through your symptoms and circumstances with you first, to check if it’s the right option before going ahead.
What to expect: appointments are quick, typically taking around 10 to 15 minutes in total, with the injection itself over in moments. It’s carried out by trained pharmacy staff in a professional clinical setting. Most people tolerate the injection well, with only occasional mild redness or soreness at the injection site.
Booking is required in advance – you can book by phone, online, or by popping into the pharmacy.
Book your B12 consultation at McMinns Pharmacy
If you’ve been feeling persistently tired, low, or “not quite right” and wonder whether B12 might be behind it, our pharmacy team is here to help you work out whether an injection is appropriate for you.
Book vitamin B12 injections online, call us on 01698 372 917, or visit us at 19 Main Street, Wishaw.
Frequently asked questions
Do I need a blood test before having a B12 injection?
If you haven’t had a confirmed diagnosis of B12 deficiency, it’s generally advisable to discuss testing with your GP first. Our pharmacy team can talk through your symptoms and advise on the best next step for your situation.
How often will I need a B12 injection?
This depends on the underlying cause and how you respond to treatment. Our pharmacist will advise on an appropriate schedule based on your individual circumstances.
Can I just take a B12 supplement instead?
For deficiency caused by diet alone, oral supplements or dietary changes may be sufficient. But if your deficiency is due to an absorption problem, such as pernicious anaemia, oral supplements often won’t correct it effectively. This is where injections make the difference.
This article is for general information and does not replace personalised medical advice. Speak to a pharmacist or your GP if you’re experiencing symptoms of B12 deficiency, particularly neurological symptoms such as numbness, confusion, or balance problems.
Sources: NHS: Vitamin B12 or folate deficiency anaemia – Symptoms, NHS: Vitamin B12 or folate deficiency anaemia – Causes, McMinns Pharmacy: B12 Injections Wishaw