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Vitamin B12 Tablets - 1000mcg

Important in the production of red blood cells

560 reviews9610020
  • For normal energy yielding metabolism
  • Reduces tiredness and fatigue
  • Contributes to normal psychological & immune function
  • Sublingual tablet for direct absorption
Only 6.1p per tablet
In stock
- Best Price
Only 5.8p per tablet
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Supplement Description

What is Vitamin B12?

Vitamin B12 plays a vital role in many biological processes within the human body. It's important in the production of red blood cells and essential for cell replication. It also assists in helping our body convert food to energy.  B12 is also acknowledged for its benefits to the nervous system and the immune system. 

Being deficient in vitamin B12 can cause tiredness and fatigue, muscle weakness, memory and mood problems.

Why take a Vitamin B12 supplement?

If you feel that you are not getting enough of this very important nutrient then a supplement provides a quick and easy way to boost levels.

Vegetarians and vegans may particularly benefit from supplementing with Vitamin B12 as the main food sources are meat, fish, dairy products and eggs.

Older people may also benefit more so by supplementing due to the fact that the body's ability to absorb Vitamin B12 declines as we age.

Vitamin B12, when combined with Folic Acid, helps process levels of an amino acid called homocysteine.

Formulated for a direct route to the bloodstream

Just Vitamins Vitamin B12 complex tablet has been developed to allow sublingual administration (to be placed under the tongue and left to dissolve) if preferred. The tablet is blackcurrant flavoured, so tastes great too! You can of course, chew or swallow whole if you prefer, although sublingual administration is thought to offer the best and a more direct, and undisturbed route to the blood-stream.

Product Information

Vitamin B12 1000mcg tablet view
Tablet Size
8mm round
Cautions & Warnings
List of Ingredients
Recommended Intake
Legal Category


Customer Reviews for Vitamin B12 1000mcg

The views expressed below are the personal opinion of Just Vitamins customers. Just Vitamins does not endorse these views, nor should they be regarded as health claims or medical advice. All reviews are collected and verified as genuine by a 3rd party called Feefo.

Overall product rating 9.6 / 10 - 560 customers have independently reviewed and recommend Vitamin B12 from 560 reviews (showing latest 25 reviews)
Review Date
Review Details
Service rating: Useful website with lots of information. Fast postage and simple to order supplies.
Product: A convenient dose supplement of high strength B12, which I was told to take by doctor following test results revealing low levels of B12 in blood tests. Good price and fast postage.
Good price for a 6 moth supply - saves having to continually monitor stock and use bt y dates
Service rating: These tablets are just the right size to take, I've found some vitamins are so big they are hard to swallow but these dissolve under the tongue so are perfect. They taste good and have a good amount of B12 in them. I would definitely repurchase.
Product: Taste good and big pack sizes. Great value for money too.
Service rating: arrived quickly, well packaged, and at a fair price.
Product: I find the sublingual way of taking this to my liking, it is easy to take.
The service is excellent, easy to order, easy to pay and quick delivery.. Our vitamins come in the post and arrive through the letter box. They are available in various different amounts and are cost effective. The vitamin packets are very easy to pack into cases when we travel abroad
Prompt service good product reasonably priced.
Service rating: Good price and quick delivery.
Product: Easy way to get the vitamin,.
Service rating: Easy to navigate website, clear information about products, safe payment process and satisfactory delivery in terms of speed of arrival.
Product: I already have 3 monthly vitamin B12 injections but nevertheless still feel worn out most of the time so I take the B12 supplement along with my prescribed daily medications in the hope I might wake up full of energy one of these days! I have no idea whether or not these supplements work but they taste nice and are reasonably good value for money.
Service rating: Although they don't do the free postage any more, it's still pretty good value. The website is easy to use, and postage is Royal Mail. A big plus is the packaging for the supplements which is completely biodegradable/compostable, and the postage packing which is 100% cardboard.
Product: As a vegan I needed some supplements to fill the gaps in what I was eating - as it turns out a multivitamin with iron was what I needed (I was getting fatigue and low mood), but this supplement helped with my symptoms.
Service rating: Fast, efficient delivery. I am going to order more products from this company. Love them!!
Product: Very pleasant to take sub-lingually
Service rating: Product was delivered efficiently. Ordering was easy.
Product: Was suffering from exhaustion. Read research which suggested B12 deficiency may be a factor. Felt an effect after a couple of days. Less fatigue, more motivation to be active. So pleased to have found them. They have also helped my mother who suffers from depression.
Great service, always happy to help and advise. Fast free delivery. Have been with them for years
Long time customer. Placed a new order the moment heard they were shipping outside UK again. Great product and great prices.
Service rating: I'm a return customer of Just Vitamins because of the good value, quality products, clear website, secure checkout and free delivery.
Product: I take B12 daily as a supplement to a vegetarian diet. These sublingual tablets taste pleasant and dissolve well.
yes would recommend
Service rating: Great service and excellent product. Overall I'm very pleased with Just Vitamins. My only criticism would be that delivery took a bit longer than expected.
Product: The sublingual B12 tablets are easy to take and very tasty. They seem to be effective and help maintain my B12 levels
Service rating: Fast delivery and good customer service
Product: Excellent value for money and fast delivery
Service rating: Easy to navigate website. Fast delivery. great product.
I did a lot of research before deciding to go with the sublingual B12 Just Vitamins offers and I'm glad I did. Great service. Brilliant value for money and I was able to feel an improvement in my energy, concentration and mood almost instantly. I can't speak for what else they offer, but for their B12 alone I would recommend them
Product: I did a lot of research before deciding to go with the B12 as it was the best one on the market in regards to ticking all the tight boxes that came up in my research.
Great product, great value for money, felt an improvement in concentration, energy and mood almost instantly.
Highly recommended
Service rating: I would recommend packaging brilliant and theyvare of top quality.
Product: They are exactly as advertised would definitely recommend.
Service rating: Quick delivery and easy to order. Good information online about the products
Product: I ordered b12 because I had blood tests to show I’m very low. I’ve had headaches, migraines and low energy. My partner and I are both veggie/vegan so it’s hard to get b12 in our food.
My partner and I have been taking these for several weeks and feel very happy with the results. I haven’t had any headaches, my energy levels are increased and im generally feeling better in myself.
The b12 are easy to consume (under the tongue) and taste lovely.
We’ll definitely be buying these again when we run out.
I also LOVE that the packaging is compostable!
Service rating: Quick to deliver. Good webpage
Product: They seem to work well. Have used them for some years
Service rating: Excellent product -it worked for me, to alleviate stress stress.
Product: Felt stressed and needed a boost for my nervous system
Service rating: Quick delivery. Easy to use website. Product exactly as shown.
Product: Supplement is good and easy to take.
Great delivery service. Tablet's seem to to working well. I like the blackcurrant flavour.
Yes happy.
Service rating: Quick delivery and good price
Product: They work! ,..............

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