10 Best B6 And B12 Vitamins High Strength in The UK

Last updated on 13/09/2025

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Royal Oak Health Vitamin B12 & Methyl Folate Supplement with P5P Vitamin B6 (60 Capsules / 2 Month Supply) Active Form 400μg l-Methylfolate Folic Acid, Vitamin B6, B9 & B12 Vitality Formula. UK Made

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Why We Love It

Strong dose, high quality components.
Caters to vegans, vegetarians.
No artificial ingredients.

Main Highlights

Premium Active Forms – Royal Oak Health's Vitamin B12 & Folate capsules use Methylcobalamin Vitamin B12, L-Methylfolate (Folic Acid) and Pyridoxal 5 Phosphate Vitamin B6. These are all the most active and readily absorbed forms of Vitamin B12, B9 and B6. Each easy-to-swallow capsule provides 5,000µg of B12, 400µg of Folic Acid & 10mg of Vitamin B6 to support energy levels, the immune system, psychological function and general wellbeing. Claims substantiated by the EFSA*.
Vitamin B12 & Folate (Folic Acid) Synergy: The combination of Vitamin B12 and Folic Acid supports the nervous system, blood cell formation, cell division, energy-yielding metabolism and ensures fetal well-being through increased maternal folate status. Claims Substantiated by the EFSA*
Includes Vitamin B6 P5P - Pyridoxal 5’-phosphate (PLP), the active form of Vitamin B6 which plays a vital role in protein and glycogen metabolism, red blood cell formation, nervous system and immune system function, contributing to overall health and wellbeing.
Who Should Take Vitamin B12 & Folate? – Royal Oak Health's Vitamin B12 & Folate capsules are suitable to be taken by both men and women, are vegan and vegetarian friendly and do not contain GMO ingredients. They are free from allergens such as gluten, lactose, soya, and are packaged in BRC Grade AA certified facilities in the UK.
2 Month Supply – Each pot of Methylated Vitamin B12 & Folate contains x60 vegetarian capsules providing you with 2 months of premium support.
Award Winning supplements – Winners of the British Made Awards “Best Food Supplements Manufacturer” you can rest assured that since 1999, Royal Oak Health have been producing safe, effective and certified high-quality supplements that provide exactly what is stated on the label. GMP Certified and Made in Britain.

Vitamin B Complex High Strength Methylated B Vitamins | B6 Vitamins with Folate & B12 Supplements | Complete Complex with 12 Active Nutrients | Not Liquid Drops Or Spray | Vitabright

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Why We Love It

Supports energy and metabolism.
Perfect blend of B vitamins.
Superior bioavailability and absorption.

Main Highlights

REASSURINGLY EXPENSIVE - VitaBright Super B Complex is not for cost-cutters. If you’re after quality and results, read on. Our doses are much higher than cheaper options, and carefully balanced by our clinical nutritionist for efficient nutritional support. There are eleven B vitamins and, unlike low-budget alternatives, our formula includes all of them. It also includes vitamin C because of its many complementary functions with the B vitamins.
BODY-READY METHYLATED B COMPLEX VITAMINS - We manufacture using more pricey ingredients. Our vitamins are methylated and in their active, body-ready forms so they don’t need your own enzymes to modify them before they can get to work. The active formula includes active vitamin B3 (niacinamide), active vitamin B6 (high strength P-5-P), 5-MTHF methyl folate and B12 supplements as methylcobalamin & adenosylcobalamin.
HOW TO USE - Take 2 tablets a day. The bottle lasts 2 months. Our tablets are slimline and easy to swallow, coated with vegetable fibre (hypromellose) so they glide down easily. This is the only way to disguise the bitter taste of B vitamins - when they’re at the strong doses in our supplement. We don’t make liquid, spray or drops, which have weaker doses to make the taste acceptable.
B VITAMIN COMPLEX PROVEN HEALTH BENEFITS (CLAIMS AUTHORISED BY EFSA) - The B vitamins contribute to energy-yielding metabolism and the reduction of tiredness and fatigue, functioning of the nervous system, psychological function and mental performance, the immune system, hormonal activity, macronutrient metabolism and cardiovascular health (homocysteine metabolism, formation of red blood cells and heart function).
BEST OF BRITISH QUALITY - VitaBright vitamin B complex tablets are made in Britain, in BRC accredited grade AA manufacturing facilities operating to GMP standards. We use only the finest ingredients, double seal all bottles, and test for heavy metals to ensure there is no compromise on quality or safety. VitaBright Vitamin B Complex with folate delivers potent, premium B vitamins for women and men who want above average quality.

Vitamin B Complex High Potency - 1 Full Year Supply - 8 Vitamins B1-B2-B3-B5-B6-B12, Biotin, Folic Acid & VIT D3 in 1 High Strength Micro Tablet - Reduction of Tiredness - Made in The UK by Nutravita

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Why We Love It

Year-long supply for value.
High potency with added benefits.
Quality tested ingredients.

Main Highlights

✔ NUTRAVITA'S ONE YEAR SUPPLY OF VITAMIN B COMPLEX MICRO TABLETS - Our high strength Vitamin B Complex with added Vitamin D3 provides extra value for you, as WE PROVIDE A FULL YEAR'S SUPPLY INSTEAD OF MARKET STANDARD OF 6 MONTHS FOR COMPARABLE PRICES. Due to the added Vitamin D3, our Vitamin B Complex is not vegan-friendly.
✔ HIGH PURITY & HIGH POTENCY VITAMIN B COMPLEX WITH VITAMIN D3 - Nutravita's Vitamin B Complex contains the perfect blend of the following 8 highly bio-available B-Vitamins: Vitamins B1 (Thiamin), B2 (Riboflavin), B3 (Niacin), B5 (Pantothenic Acid), B6 (Pyridoxine Hydrochloride), B7 (Biotin), B9 (Folic Acid), and Vitamin B12 (Methylcobalamin). Furthermore, our Vitamin B complex comes with added Vitamin D3 for extra support.
✔ SUPPORTS YOUR BODY - Our Vitamin B Complex with added Vitamin D3 supports the maintenance of normal hair, skin, bones, absorption of calcium, reduction of tiredness & fatigue, normal energy yielding metabolism, normal red blood cell production, and normal function of the immune system. As substantiated by the European Food Safety Authority (EFSA).
✔︎ QUALITY TESTED - Unlike many supplements, we haven't spared any expense on quality. Each ingredient is quality tested before the manufacturing process begins, every batch of our supplement undergoes further rigorous quality testing. We have done our best to provide as much information as possible, but if you do have any questions please reach out to our very helpful customer care team. They will be happy to provide personalised assistance to help this supplement fit into your lifestyle.
✔ WHAT IS THE STORY BEHIND NUTRAVITA? - Nutravita is a recognised and trusted Vitamins & Supplements brand providing thousands of customers across the world since 2014. Our high quality products are manufactured, batch tested and certified in the UK, and safeguarded by the highest manufacturing standards in the world (GMP, BRC). We have a dedicated team of pharmacologists, chemists and research scientists working to source the finest and most beneficial ingredients.

Liquid Vitamin B Complex Supplement 5000mcg- Vitamin B12 B1 B6 Niacin & Folate - Methylcobalamin - Support Immunity, Energy and Improving Concentration & Mood - 60ml

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Why We Love It

Boosts energy levels effectively.
Supports brain and heart health.
Delicious natural berry flavor.

Main Highlights

Complete Vitamin B Complex High Strength Formula – Experience unparalleled vitamin B synergy with our 8-in-1 powerhouse blend: B12 vitamin, B6, B1, B2, B3, B7, B5, and Folic Acid. Specially engineered to sharpen mental focus, elevate mood stability, and fortify cardiovascular health. Feel the difference with every sublingual drop!
Essential B12 Vitamins for Women’s Wellness – Nourish your active lifestyle with this expertly balanced vitamin B complex. Our B12 drops provide targeted support for hormonal balance, cognitive sharpness, and sustained energy through busy days. A must-have companion for modern women seeking holistic vitality
Vitamin B12 Methylcobalamin 5000mcg High Strength – Power up your vitality with our premium liquid B12 drops featuring methylated B12 for superior absorption. This potent B12 supplement delivers 5000mcg per serving to supercharge energy metabolism, enhance nerve function, and support robust immunity. Ideal for combating fatigue and optimising cellular vitality
Your Daily Defence with Methylcobalamin B12 – At VSYLICN, we fuse science with care. Our vitamin A supplement-free formula prioritises bioactive nutrients for maximum bioavailability. Backed by rigorous quality testing, this vitamin B complex high strength liquid is your trusted partner for immune resilience and peak performance. Love your journey to wellness!
Pure & Potent Liquid B12 Solution – Crafted in FDA-registered facilities with non-GMO ingredients: glycerin, purified water, and natural stevia. Free from alcohol, artificial dyes, or preservatives. Enjoy fast-absorbing vitamin B12 high strength benefits with refreshing berry flavour – no aftertaste, just pure nourishment.

High strength multivitamin boost.
Pure, potent professional formula.
Easy daily vegan tablet.

Main Highlights

HIGH STRENGTH: Multivitamin supplement delivering 1000mcg B12 & 100mg B6.
EXPERTLY CRAFTED: Our professional formula is backed by our commitment to purity and potency.
CONVENIENT: Take one easy-to-swallow vegan tablet daily to boost your hectic routine.
SUITABLE FOR: Horbaach B12 & B6 Vits Complex is vegetarian and vegan and contains no artificial colours or preservatives, and is suitable for adult men & women.
PACKAGING MAY VARY: We are in the process of updating our packaging. If the product you receive appears different, please rest assured that the benefits remain the same.

Vitamin B Complex - 365 Small Tablets (1 Year Supply) High Strength All 8 B Vitamins B1-B2-B3-B5-B6-B12, Biotin, Folic Acid and Vitamin C - Reduction of Tiredness, Energy & Immune Support - UK Made

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Why We Love It

Comprehensive one-year supply.
Enhanced with Vitamin C.
Supports overall wellbeing.

Main Highlights

FULL SPECTRUM 1 YEAR SUPPLY B Complex - Each micro small b vitamins tablet contains all 8 B Vitamins (B1,B2,B3,B5,B6,B12) as well as Biotin, Folate and Vitamin C to help absorption and immunity. Unique formula that contains full spectrum of B complex vitamins high strength in accurate dosages. Each bottle contains 365 Tablets which will last up to 12 months
ENRICHED WITH VITAMIN C – Our B vitamin complex includes a unique blend of 8 vitamins including: Vitamins B1 (Thiamine), B2 (Riboflavin), B3 (Nicotinamide), B5 (D-Calcium Pantothenate), B6 (Pyridoxine), B7 (Biotin), B9 (Folic acid), and Vitamin B12 (Cyanocobalamin) as well as added vitamin C (Ascorbic acid) to help with absorption and immune support.
SUPPORTS YOUR BODY - Our Vitamin B Complex with added Vitamin C supports the maintenance of normal hair, skin, bones, absorption of calcium, whilst contributing to the reduction of tiredness & fatigue, normal energy yielding metabolism, normal red blood cell production, and normal function of the immune system.
SAFETY & QUALITY - To uphold the highest standards of safety and quality, our products undergo post-production testing for heavy metals and other unwanted compounds, ensuring full compliance with international regulations. Once testing is complete, products are bottled and packaged in BRC Grade AA certified facilities, guaranteeing that our rigorous quality standards are reliably maintained and delivered to you.
Why Choose New Leaf Products? As a family-owned business with extensive experience in formulating and producing our unique range of over 100 vitamin and mineral supplements, we are dedicated to upholding the highest standards of safety and quality. We prioritise environmental sustainability and social responsibility, donating a portion of our sales to global causes. Join our community of over 2 million satisfied customers, where our customers are always our top priority.

Vitamin B Complex Supplement - 365 Tablets - 1 Year Supply - with All 8 B Vitamins & C - 1 Tablet-a-Day - Non-GMO, Gluten-Free & Vegan-Friendly - for Men & Women

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Why We Love It

Complete B-vitamin range.
Year-long supply.
Vegan-friendly formula.

Main Highlights

RIGHT BLEND OF VITAMINS: WeightWorld’s B Complex brings together all 8 B Vitamins in one easy-to-take tablet, including B1 (Thiamine Hydrochloride), B2 (Riboflavin), B3 (Nicotinamide), B5 ( D-Calcium Pantothenate), B6 (Pyridoxine Hydrochloride), B7 (D-Biotin), B9 (Folic Acid), and B12 (Methylcobalamin). The formula also includes Vitamin C (Ascorbic Acid), rounding out a well-considered daily blend.
1 YEAR SUPPLY - 365 TABLETS: B Vitamins are water-soluble and aren't retained for long after consumption, which is why they're often taken daily as part of a consistent routine. WeightWorld's Vitamin B Complex Tablets offer a great option for those looking to include an effective source of vitamins in their daily routine. Each bottle of Vitamin B Complex Supplement contains 365 tablets, providing a whole 1-year supply.
PART OF THE ROUTINE: Riboflavin (Vitamin B2) contributes to the maintenance of normal skin. Vitamin B6 contributes to the normal function of the immune system. Riboflavin (Vitamin B2) contributes to the maintenance of normal vision. Vitamin B12 contributes to normal energy-yielding metabolism. Vitamin C contributes to the reduction of tiredness and fatigue. Vitamin B6 contributes to normal red blood cell formation (EFSA)
NON-GMO & VEGAN-FRIENDLY: WeightWorld’s B Complex is designed for everyday convenience. Just take 1 tablet a day, no mixing needed. It is Non-GMO, free from gluten, lactose & magnesium-stearate, also suitable for both men and women. Made in GMP-approved facilities, this supplement is also vegan-friendly, aligning with a wide range of lifestyle and dietary preferences.
THE JOURNEY OF WEIGHTWORLD: Born from a passion for food supplements, WeightWorld has been growing since 2006. With nearly two decades of experience, the brand offers a wide range of products, including vitamins, minerals, plant-based supplements, devices, and more. Now reaching multiple countries, the focus remains on developing products that evolve with changing needs while staying true to the values that started it all.

Vitamin B Complex Gummies | 60 Count - Tablet Alternative | High Strength Supplement with Vitamin B12, B6, B12, B2, B3, B5, Biotin, Folic Acid, Zinc and Iodine | Natural Tropical Flavour | by Horbaach

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Why We Love It

Comprehensive nutrient profile.
Naturally flavored.
Vegan-friendly formula.

Main Highlights

HIGH STRENGTH: Each daily serving of our Vitamin B Complex Gummies has been formulated to deliver vitamins B2 (Riboflavin), B3 (Niacinamide), B5 (Pantothenic Acid), B6, B12 (Cobalamin), Biotin, Folic Acid, Zinc and Iodine in just two tasty gummies!
ALL-IN-1: Each of the B vitamins help the body in their own way.
DELICIOUS: Great tasting, natural tropical flavour with no added sweetener.
SUITABLE FOR: Horbaach Vitamin B Complex Gummies are free from artificial preservatives, are vegan and vegetarian friendly and are suitable for both adult men and women.
PACKAGING MAY VARY: We are in the process of updating our packaging. If the product you receive appears different, please rest assured that the benefits remain the same.

Vitamin B Complex High Strength with Vitamin D + Vitamin C 500 Tablets for +1 Year of Supply, Energy-Yielding Metabolism - Reduction of Tiredness & Fatigue (EFSA) Made in The UK by Nutravita

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Why We Love It

High-strength energy-boosting formula.
Supports immunity and vitality.
Scientifically backed with quality assurance.

Main Highlights

✔ WHY CHOOSE THIS HIGH-STRENGTH VITAMIN B COMPLEX WITH ADDED VITAMINS C & D? – This premium formula combines all the essential B Vitamins, including Thiamine (Vitamin B1, 1.4mg), Riboflavin (Vitamin B2, 1.4mg), Niacin (Vitamin B3, 18mg), Pantothenic Acid (Vitamin B5, 6mg), Vitamin B6 (2mg), and Vitamin B12 (2.5µg), to create a powerful Vitamin B Complex High Strength supplement. Enriched with 80mg of Vitamin C and 10µg of Vitamin D, it’s designed to support energy levels, immunity, and overall well-being—perfect for anyone looking for vegetarian supplements or vitamins for tiredness and fatigue.
✔ SUPPORT FOR ENERGY, IMMUNITY & VITALITY – Packed with essential B Vitamins, this Vitamin B Complex helps reduce tiredness and fatigue while supporting your energy-yielding metabolism. Vitamin C supplements in this blend boost collagen formation for healthy skin, cartilage, and bones, while Vitamin D aids in maintaining bone strength and immune health. With added B6 Vitamins, Vitamin B12 Tablets High Strength, and Niacin (Vitamin B3), this supplement promotes nervous system health, making it an ideal choice for both men and women.
✔ BACKED BY SCIENCE & MADE WITH CARE – All benefits of this Vitamin B12 Supplement are supported by claims validated by the European Food Safety Authority (EFSA). Whether you're seeking B12 vitamins for women, Vitamin B6 High Strength, or a convenient B Complex Vitamins High Strength formula, this one-a-day supplement is designed for a balanced lifestyle. Manufactured in the UK to the highest standards, this supplement is perfect for those who strive for health every day!
✔ CUSTOMER PEACE OF MIND – We have done our best to provide as much information as possible, but if you do have any questions please reach out to our very helpful customer care team. They will be happy to provide personalized assistance to help this supplement fit into your lifestyle. We always hope our customers are 100% happy with the product and service they receive, and so if you are not satisfied, please do not hesitate to contact us.
✔ WHAT IS THE STORY BEHIND NUTRAVITA? - Nutravita is a recognised and trusted Vitamins & Supplements brand providing thousands of customers across the world since 2014. Our high quality products are manufactured, batch tested and certified in the UK, and safeguarded by the highest manufacturing standards in the world (GMP, BRC). We have a dedicated team of pharmacologists, chemists and research scientists working to source the finest and most beneficial ingredients.

Vitamin B Complex High Strength - 180 Vegan Tablets - 6 Month Supply - Contains All 8 B Vitamins in 1 Tablet - Vitamins B1, B2, B3, B5, B6, B12, Biotin & Folic Acid - Nu U Nutrition

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Why We Love It

Full B-vitamin spectrum.
Six-months' supply.
Supports energy and wellness.

Main Highlights

✔ MAXIMUM POTENCY – Each small, easy-to-swallow vegan tablet provides a high-strength formula containing all 8 essential B vitamins, including Biotin (B7) and Folic Acid (B9). Designed for men and women of all ages seeking a convenient way to support their daily B vitamin intake, our tablets offer a comprehensive blend in just one tablet a day, ideal for busy lifestyles and plant-based diets.
✔ 8 B VITAMINS IN ONE TABLET - Each tablet of our high strength Vitamin B complex supplement contains a perfect blend of 8 essential B vitaminsThiamine (Vitamin B1), Riboflavin (Vitamin B2), Niacin (Vitamin B3), Pantothenic acid (Vitamin B5), Vitamin B6, Biotin (Vitamin B7), Folic Acid (Vitamin B9), Vit B12.
✔ 6 MONTH SUPPLY - Our incredible 180 tablets pack gives amazing VALUE keeping you replenished with Vitamin B for six months. No need to remember to reorder every month with 26 week supply. ONE PER DAY - One easy to swallow tablet a day to give you a healthy vitamin B balance. FREE FROM artificial colours, flavours, sweeteners, starch, milk, lactose, soya, gluten, wheat, yeast or porcine for our best Vitamin B Complex.
✔ VEGAN AND ALLERGEN FRIENDLY - Nu U Nutrition Vitamin B Complex unflavoured tablets are suitable for vegetarians and vegans are free of Gluten, GMOs, Dairy and Wheat. Experience the difference with our high strength vitamin b supplement, already trusted by thousands of happy Nu U Nutrition customers!
✔ THE NU U NUTRITION STORY - TRUSTED SUPPLIER OF NUTRITIONAL SUPPLEMENTS - Starting as a family business in 2014, we’ve expanded to offer a diverse range of high-quality supplements designed to support different lifestyles. Our mission is to make wellness simple, with premium ingredients that cater to your daily nutritional needs—whether for general health or targeted goals.

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We scanned 1241 products

We reviewed these offers relevant to the B6 And B12 Vitamins High Strength within online retailers such as Amazon, eBay and other local retailers, ensuring we covered all major brands and models. The products we selected come from trusted brands like Royal Oak Health, VitaBright, Nutravita, BlueSea home, Horbäach, NEW LEAF PRODUCTS, WeightWorld, Nu U Nutrition, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best B6 And B12 Vitamins High Strength in the market, we considered we took a deep dive into 6206 online reviews , focusing on elements like user satisfaction, performance in real-world conditions, and long-term reliability. Our ranking also evaluates each review’s relevancy, authenticity, up-to-dateness and depth so that the comparison is more sound.

We concluded that:

The clear winner of our analysis is Royal Oak Health Vitamin B12 & Methyl Folate Supplement with P5P Vitamin B6 (60 Capsules / 2 Month Supply) Active Form 400μg l-Methylfolate Folic Acid, Vitamin B6, B9 & B12 Vitality Formula. UK Made. We love many things about this product by Royal Oak Health. What sets it apart from the competition is Strong dose, high quality components, Caters to vegans, vegetarians, No artificial ingredients.
The best value product for most shoppers and where user satisfaction is continuously the highest is Vitamin B Complex High Strength Methylated B Vitamins | B6 Vitamins with Folate & B12 Supplements | Complete Complex with 12 Active Nutrients | Not Liquid Drops Or Spray | Vitabright by VitaBright based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for B6 And B12 Vitamins High Strength and the best cost-to-value ratio is Liquid Vitamin B Complex Supplement 5000mcg- Vitamin B12 B1 B6 Niacin & Folate - Methylcobalamin - Support Immunity, Energy and Improving Concentration & Mood - 60mlat BlueSea home with a 27% discount.
Our list of the best B6 And B12 Vitamins High Strength is updated regularly to reflect new releases and changes in product availability, so be sure to check back often for the latest rankings and discounts.

10 Best B6 And B12 Vitamins High Strength in The UK

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We concluded that: