Vitamin B12 Dual Power
⏳ 12 months supply (365 tablets)
Boost your energy levels, brain function, and nervous system with Vitamin B12 Dual Power, offering two active forms of B12 in one easy-to-swallow tablet for ultimate support.
Vitamin B12 Dual Power
Nutrition Geeks works with accredited, independent laboratories to verify the quality and integrity of its products.
- Vitamin B12 Meets label claim 1000 mcg/serving
LAST TESTED JUN 22, 2026
Testing conducted by Marfleet Analytical Services
Third-party test results reflect laboratory analysis of the submitted sample at the time of testing and form part of Nutrition Geeks’ wider quality assurance programme.
🌟Reduce Tiredness & Fatigue
Our Dual Power B12 helps to maintain optimal energy levels, reducing fatigue and lethargy.
🧠 Support Brain Function
Vital for cognitive health, our B12 formula supports brain function and mental clarity.
🧬 Enhance Nervous System Health
Both forms of B12 are essential for a healthy nervous system, promoting overall well-being.
❤️ Supports Heart Health
Aids in reduction of homocysteine levels in the blood and decreases risk of heart disease.
🩸 Enhances Red Blood Cell Formation
Ensure healthy red blood cell production and reduce risk of anaemia.
🔋 Unique 2:1 Ratio for Maximum Benefit
Clinical studies show both forms, Methylcobalamin and Adenosylcobalamin, should be combined for best results in treating B12 deficiencies, ours includes both.
💊 Easy to Swallow 1000ug Tablets
Our tablets are designed for easy swallowing, making your daily dose convenient and hassle-free.
Vitamin B12, 1000µg, 40000%
as Methylcobalamin, 666µg, 26400%
Adenosylcobalamin, 334µg, 13600%
Ingredients:
Plant-Based Binding Agent: Microcrystalline Cellulose, Plant-Based Anti-Caking Agent: Magnesium Stearate, Methylcobalamin, Adenosylcobalamin
* Nutrient Reference Value AKA Recommended Daily Intake
Supply: Each pack contains 365 tablets (12 months supply) of Vitamin B12 Dual Power.
Cost per serving: 2p
Directions: Take 1 tablet daily with a full glass of water. Not intended for use by persons under the age of 18.
All UK orders qualify for fast and free tracked UK delivery.
Delivery takes 1-2 days.
Please review our delivery policy for full delivery details.
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Why are customers switching to Vitamin B12 Dual Power
Discover why millions of customers are switching to Nutrition Geeks from other brands.
- 5 stars: 339 (88%)
- 4 stars: 27 (7%)
- 3 stars: 7 (2%)
- 2 stars: 6 (2%)
- 1 star: 5 (1%)
I've been using the bundles for over a year now, I can't believe the difference it has made to my body, soul and mind. I actually remember stories in my dreams. My period has normalised back to 3days and anxiety/insomnia gradually faded.
Excellent service, very happy with my order .
Great product Great price fast delivery
Great products.
Love
Hi There,
Thank you for sharing your positive experience. We're delighted to hear you love the Vitamin B12 Dual Power. Your support means a lot to us.
Kind regards,
Nutrition Geeks
Fantastic product, which arrived quickly after ordering and was well packaged. Easy to take each day and package has lots of interesting relevant information on the back of it.
Hi There,
Thank you for sharing your positive experience with our Vitamin B12 Dual Power. We're glad to hear it arrived quickly and that you find the packaging informative and easy to use. Your satisfaction is our priority.
Kind regards,
Nutrition Geeks
Very good
Mint stuff
Fast delivery Great product thankyou
B12 so low, ordered these arrived so kick and helped me kick start my healthy living, thank you.
Hi there,
Thank you for sharing your experience. We're glad to hear that our Vitamin B12 Dual Power supports your healthy living journey. If you need any further assistance, feel free to reach out.
Regards,
Nutrition Geeks
Sensibly packaged, quick postage great price and appears to be helping with brain fog.
Excellent
Used to buy these off the shelf but I’ll only use Nutritional Geeks now, good to hear they’re not full of filler and doing me good!
Hi There,
Thank you for sharing your positive experience with our Vitamin B12 Dual Power. We're delighted to hear that our product meets your expectations and that you trust Nutrition Geeks for your health needs. We truly appreciate your support and look forward to serving you in the future.
Kind regards,
Nutrition Geeks
This is my second batch and my son and husband take these now, don’t feel the afternoon slump
Hi Rajeshree,
Thank you for sharing your experience. We're delighted to hear that Vitamin B12 Dual Power is helping your family feel energized throughout the day. Your continued trust means a lot to us.
Kind regards,
Nutrition Geeks
Don't know what my B12 levels are but taking B12 has certainly helped my very tender tongue. Thank you.
Hi Mary,
Thank you for sharing your positive experience. We're glad to hear that our Vitamin B12 Dual Power has been helpful.
Regards,
Nutrition Geeks
Quick delivery started taking them the day after been around 3 wks now not much difference but will carry on taking them as I have underactive thyroid and be lack of b12
Hi There,
Thank you for sharing your experience. It's great to hear that your order arrived quickly. Consistency is key with supplements, and I hope you start noticing more benefits soon.
Kind regards,
Nutrition Geeks
All the products are very good.
Hi There,
Thank you for your kind words! We're delighted to hear you're satisfied with our products. Your support means a lot to us.
Kind regards,
Nutrition Geeks
Great delivery 👌
Have only been using for a couple of weeks so too early to tell it’s effects
Hi There,
Thank you for sharing your experience. It's great to hear you're giving the Vitamin B12 Dual Power a try. We hope you start noticing positive effects soon.
Kind regards,
Nutrition Geeks
Brilliant Products
Just another re-order
Fabulous, just like all of their products.
Fantastic quick delivery!
I haven't started using this as yet because I have still have supplies from a different source but I know that this Nutrition Geeks product is more competitively priced. I'll provide an update in the future.
Amazing, ordered Saturday delivered on Sunday can't beat that for speedy delivery
Great quality good packaging fast delivery
Speedy service
Good delivery service
Very good.
Fast delivery and very good products
Great product
Frequently Asked Questions
Common questions about Vitamin B12 Dual PowerWhy is it important to take both Methylcobalamin and Adenosylcobalamin?
Methylcobalamin and adenosylcobalamin each play distinct and vital roles in the body. Methylcobalamin is crucial for brain function and nervous system health, while adenosylcobalamin supports cellular energy production and metabolic processes. Combining both forms ensures comprehensive support for B12-related bodily functions, making our dual-power formula more effective in addressing B12 deficiency.
How should I take Vitamin B12 Dual Power tablets for the best results?
For optimal results, take one tablet daily with water. Our tablets are easy to swallow, making them convenient to include in your daily routine.
What are the signs of Vitamin B12 deficiency, and who is at risk?
Vitamin B12 deficiency can cause symptoms such as fatigue, weakness, memory loss, mood changes, and nerve problems. Vegans and vegetarians are particularly at risk because B12 is primarily found in animal products. Additionally, older adults and individuals with certain medical conditions or those taking specific medications may also be at risk. If you suspect a B12 deficiency, consult a healthcare professional for testing and advice.
Why is Vitamin B12 supplementation important for vegans and vegetarians?
Vitamin B12 is primarily found in animal products such as meat, dairy, and eggs, making it difficult for vegans and vegetarians to obtain sufficient levels through diet alone. B12 is essential for maintaining healthy brain function, nervous system health, and energy levels. Supplementing with Vitamin B12 ensures that vegans and vegetarians receive adequate amounts to prevent deficiency and support overall well-being.
Can Vitamin B12 Dual Power be used alongside other products or medications?
Generally safe with a low risk of interactions, but it's always best to discuss with a healthcare provider, especially if you're on any medication that affects blood cell production or vitamin absorption.
Can't find the answer you're looking for?
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