Vitamin B12 Supplements, Methylcobalamin, Adenosylcobalamin, Hydroxocobalamin & More

Vitamin B12, also known as cobalamin, is a water-soluble vitamin found naturally in animal-based foods including meat, fish, dairy products, and eggs, making it a nutrient of particular relevance to those following vegetarian or vegan diets. It is available in several supplemental forms. Cyanocobalamin is the most commonly used synthetic form. Methylcobalamin and adenosylcobalamin are the two naturally occurring, biologically active coenzyme forms. Hydroxocobalamin is another natural form, often used in injectable medicine but also available in oral supplements. Because B12 absorption can be affected by digestive factors, it is also available in formats designed to bypass standard digestion, including sublingual lozenges, oral sprays, liquid drops, and liposomal preparations. Our Vitamin B12 collection covers all of these forms and formats from a wide range of established brands, at a variety of strengths.

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Pure Encapsulations B12 Folate 60s
£20.95
Activated vitamin B12 and folate features B12 as methylcobalamin and folate as L-5-methyltetrahydrofolate (L-5-MTHF), the naturally occurring and universally metabolized form of folate. Vitamin B12 and folate have complementary biological...
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Nature Provides Bioactive B12 50ml
£24.31
Nature Provides Bioactive B12 blend is produced in the UK and contains the most active and bio-available form, methylcobalamin. For added support of metabolism and energy production, Nature Provides have...
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Cytoplan Vitamin B12 as Methylcobalamin & Adenosylcobalamin Sub-lingual 60's
£10.44
A high potency active B12 supplement containing 1mg of methylcobalamin and adenosylcobalamin, both of which provide great benefit to the body.
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Igennus Super B12-Complex 1000ug 180s
£16.95
Super B12-Complex has been expertly formulated to effectively support cellular levels of this essential nutrient. The superior sublingual format delivers vitamin B12 directly to the bloodstream, bypassing absorption challenges in...
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Pure Encapsulations B12 (adenosyl/hydroxy) 90s
£29.45
B12 (Adenosyl/Hydroxy) provides 2000 ug of vitamin B12 as a blend of ‘active’ forms. Adenosylcobalamin is an activated form of vitamin B12. Hydroxycobalamin is a precursor form of vitamin B12...
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Pure Encapsulations B12 Liquid 30ml
£20.95
B12 Liquid features 1000ug of methylcobalamin in each 1ml serving. Methylcobalamin is an active form of vitamin B12. Vitamin B12 contributes to normal energy-yielding metabolism and the reduction of tiredness...
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Pure Encapsulations B12 (Methylcobalamin) 60s
£19.45
B12 (Methylcobalamin) provides 1000 ug of vitamin B12 as methylcobalamin. A Methylcobalamin is an activated form of vitamin B12. Vitamin B12 contributes to normal functioning of the nervous system and...
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Natures Aid Vitamin B12 (Methylcobalamin) 1000µg 90's
£10.44
Natures Aid® Vitamin B12 provides 1000mcg per tablet. Natures Aid Vitamin B12 tablets are a sublingual supplement, which means they are designed to be dissolved and absorbed under the tongue,...
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Together Health Vegan Multi Wholefood Multivitamin with D3, B12, K2, Iron, Zinc, Calcium & Iodine 60's
£12.34
Vegan or vegetarian? Say hello to Together Health’s Vegan Multivitamin, topping you up with the vitamins and minerals that can be tricky to find in plant based diets. This Vegan...
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HINNAO Technology Methyl B12 Berry Flavour 30ml
£49.99
HINNAO® Technology when bioavailability matters. Liquid drops, instant absorption. Methyl B12 high-stability liposomes. Vitamin B12 contributes to the reduction of tiredness and fatigue. Liposomal encapsulated food supplement with sweetener.
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BioCare Vitamin B12 30s
£14.89
Optimum dose vitamin B12 as hydroxycobalamin for energy and nervous support.
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B-Minus (B12 and Folate Free) - 100 Capsules | Seeking Health
£31.95
B Minus is a potent formula containing 6 essential B vitamins. It is free from B12 and folate to allow for customization of these two essential nutrients.B Minus is a...
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One Nutrition B12-Max Oral Spray 30ml
£9.45
Taking vitamin B12 under the tongue ensures fast and effective absorption, making it a convenient alternative to tablets and capsules. Just six sprays of this high strength formula provides 1200ug...
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Nature's Own Vitamin B12 as Methylcobalamin & Adenosylcobalamin 60's
£10.44
A high potency active B12 supplement containing a combined dose of 1mg of methylcobalamin and adenosylcobalamin, which are both active forms of this important vitamin.
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Terranova Vitamin B12 500ug Methylcobalamin Complex 100's
£20.95
Vitamin B12 (methylcobalamin) 500ug Complex with MAGNIFOOD blend including stabilised rice bran, parsley, dandelion, beetroot, ginger and gentian. Each MAGNIFOOD ingredient has been carefully chosen to enhance the bioavailability, utilisation...
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Viridian High Potency Vitamin B12 60s
£12.64
High Potency Vitamin B12 provides “active” vitamin B12 as methyl and deoxyadenosylcobalamin. Each capsule provides 1000ug and is as effective as sublingual B12. Vitamin B12 contributes to normal functioning of...
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Solgar Vitamin B12 500ug 50's
£8.08
Solgar Vitamin B12 500µg comes in a vegetable capsule form. It plays a number of different roles in the body such as aiding the reduction of tiredness, assisting in the...
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Lipolife LVB1 Vitamin B12 60ml (Liposomal)
£12.95
LVB1 is a premium liposomal supplement, designed to increase vitamin B12 levels in the blood.
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BioCare Nutrisorb Methyl B12 15ml
£20.29
Liquid vitamin B12 in a purified water base for mental health and wellbeing, energy and reduction of tiredness and fatigue.
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Igennus Super B12-Complex 5000ug Spray 15ml
£18.45
The superior sublingual format of Super B12-Complex 5000mcg spray delivers vitamin B12 directly to the bloodstream, bypassing absorption challenges in the gut. With a natural cherry flavour, Super B12-Complex is...
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Methyl B12 5000 - 60 Lozenges | Seeking Health
£29.45
Methyl B12 5000 provides a potent dose of bioavailable vitamin B12 in a delicious, well-absorbed lozenge. Each serving contains a 5,000 mcg mixture of methylcobalamin and adenosylcobalamin.Methyl B12 5000 provides...
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Health Aid Vitamin B12 1000ug Oral Spray 20ml
£13.77
A pleasant tasting combination of Vitamin B12, B2, B6, Folic Acid and Vitamin C in a quick absorbing spray format, to help provide optimum support for healthy blood cells, the...
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Viridian Liquid B12 50ml
£17.45
Vitamin B12 is an essential nutrient which contributes to normal functioning of the nervous system and the reduction of tiredness and fatigue. This vegan liquid formulation is made using a...
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Viridian High Twelve B12 B-Complex 90s
£18.95
Each of the Viridian B-complex supplements offers a full array of the B vitamins together with a higher level of a featured B vitamin. This supplement features a higher level...
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Lamberts Vitamin B12 100ug 100's
£7.55
Vitamin B12 is involved in the manufacture of red blood cells and contributes to the normal function of the immune system. It is found mainly in animal based foodstuffs such...
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Methyl B12 with L-Methylfolate - 60 Lozenges | Seeking Health
£25.95
Methyl B12 with L-Methylfolate provides a potent dose of bioavailable folate and vitamin B12 in a delicious, well-absorbed lozenge.Methyl B12 with L-Methylfolate supports healthy methylation, homocysteine regulation, and energy production....
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Solgar Methylcobalamin (Vitamin B12) 1000ug 30s
£14.95
Presented as sublingual nuggets (that melt under the tongue) this product is a convenient, easy to take version of vitamin B12, particularly important for those with a restrictive diet (such...
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Solgar Vitamin B12 Sublingual 1000ug 250 Nuggets
£29.45
Vitamin B12 Sublingual - Chewable 1000µg nuggets melt under the tongue making this convenient and easy to take. It plays a number of different roles in the body such as...
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Nutrivital Liposomal Vitamin B12 60s
£19.45
Liposomal Vitamin B12 has many health benefits. B12 causes the formation of red blood cells that maintain the iron level in the body. In addition, it can help reduce fatigue....
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New Roots Herbal Vitamin B12 Liquid 15ml
£19.95
Consists of methylcobalamin, the most bioavailable form of vitamin B12, in a liquid dosage matrix for fast action and easy absorption.
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G&G Vitamins Vitamin B12 1000ug 120s
£11.40
In G&G's B12 they use methylcobalamin as research has shown that it remains in the body for a longer period of time and at higher levels than other forms. This...
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B12 & Methyl Folate - 100 Capsules | Vital Nutrients
£31.95
Supports red blood cell formation and nerve functionVitamin B12 and Folate work together to help maintain the health of the gastrointestinal tract, nervous system and the metabolism of protein and...
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Methyl B12 1000 - 60 Lozenges | Seeking Health
£22.95
Previously: Active B12 1000Methyl B12 1000 provides a potent dose of bioavailable vitamin B12 in a delicious, well-absorbed lozenge. Each serving contains a 1,000 mcg mixture of methylcobalamin and adenosylcobalamin.Vitamin...
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Methyl B12 - 30ml | Quicksilver Scientific
£47.45
Energy Support Supplement, 1000mcg Methylcobalamin + Phosphatidylcholine, Nano Technology for Superior Vitamin B Absorption.Because age, low stomach acid, and genetic variation can impair absorption of B complex vitamins, this liposomal...
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Nature's Plus Source of Life Garden Certified Organic Vitamin B12 60's
£17.95
Natures Plus Source of Life Garden Vitamin B12 is the first certified organic supplement to provide vitamin B12 in convenient organic capsules. This organic Vitamin B12 features the highly effective...
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Solgar Vitamin B12 100ug (Tablets) 100's
£8.08
Solgar Vitamin B12 100µg comes in a tablet form. It plays a number of different roles in the body such as aiding the reduction of tiredness, assisting in the release...
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BioCare Nutrisorb Vitamin B12 15ml
£10.39
Liquid vitamin B12 in a simple, purified water base for nervous system support, energy and immunity.
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Together Health Organic Vitamin B12 From Shiitake Mushroom 30's
£9.45
Keep your B12 levels topped up with Together Health’s vegan-friendly B12, sourced from organic shiitake and oyster mushrooms. With three natural forms of B12, it’s the optimal form of this...
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DR VEGAN Vitamin B12 30's
£9.45
Known as "The Energy Vitamin", Vitamin B12 is essential for the production of red blood cells and also helps maintain a healthy heart. A deficiency in B12 can cause you...
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Quest Vitamins Vitamin B12 500ug 60's
£9.45
Vitamin B12 is an essential vitamin that is not found in plant foods. Vitamin B12 is required for many biochemical processes in the body and is required for the normal...
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Nature's Plus Source of Life Garden Vitamin B12 1000mcg 60's
£17.95
Natures Plus Source of Life Garden Vitamin B12 is the first certified organic supplement to provide vitamin B12 in convenient organic capsules. This organic Vitamin B12 features the highly effective...
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Barefoot Nutrition B12 Complete 1000ug 60s
£13.99
Bioactive B12 with direct and indirect cofactors Methylfolate and D-Biotin.
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Boost B12 Oral Spray - 25 ml.
£13.35
BetterYou Boost B12 Oral Spray is an effective aid to normal psychological functions, expertly blended to help boost energy levels. Specially formulated to be absorbed directly into the bloodstream, bypassing...
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Viridian Organic B12 30s
£18.45
Sourced from organic shiitake mushrooms, freeze dried to lock in nutrients. Provides a complete form of mixed cobalamins and harvested without the use of pesticides or harsh chemicals. Vitamin B12...
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Adeno B12 - 60 Lozenges | Seeking Health
£23.45
Adeno B12 contains 3,000 mcg of bioavailable vitamin B12 per delicious, optimally-absorbing lozenge. The methyl-free form of adenosylcobalamin supports optimal vitamin B12 levels in your body.Adeno B12 provides a powerful...
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BetterYou B12 Boost 25ml
£11.83
BetterYou™ Boost B12 Oral Spray is an effective aid to normal psychological functions, expertly blended to help boost energy levels. Specially formulated to be absorbed directly into the bloodstream, bypassing...
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Nature's Plus Shot-O-B12 30 Lozenges
£19.45
With a delicious wild berry flavour, Shot-O-B12 Lozenges are designed to be dissolved in the mouth for enhanced absorption. Each Shot-O-B12 Lozenge delivers 5000μg of vitamin B12 methylcobalamin - the...
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BioActive Folate & Vitamin B12 - 90 vcaps
£10.01
Our BioActive Folate & Vitamin B12 includes biologically active forms of folate and vitamin B12 to promote heart, brain and GI tract health. What Is BioActive Folate & Vitamin B12?BioActive...
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Terranova Vitamin B12 500mcg Methylcobalamin Complex 50's
£12.08
Vitamin B12 (Methylcobalamine) 500ug Complexwith MAGNIFOOD blend including Stabilised Rice Bran, Parsley, Dandelion, Beetroot, Ginger & Gentian. Each MAGNIFOOD ingredient has been carefully chosen to enhance the bioavailability, utilization and...
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Solgar Vitamin B12 1000ug 100 Nuggets
£17.45
Vitamin B12 Sublingual - Chewable 1000µg nuggets melt under the tongue making this convenient and easy to take. It plays a number of different roles in the body such as...
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Well.Actually. High Absorption Liposomal Vitamin B12 300-1200mcg Methylcobalamin Oral Spray Very Berry Flavour 25ml
£18.45
Well.Actually. High Absorption Liposomal Liquid Vitamin B12 Oral Spray in a delicious very berry flavour. Vegan & Vegetarian, no artificial preservatives, non-GMO. UK Made to high-quality BRCGS (Food Safety) and...
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