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5 Best Vitamin B Complexes of 2025

Last Updated - 07/06/2025

1
Best Choice

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

BIOCARE

BioCare B Complex | Vitamins B1, B2, B3, B5, B6, B12, C & Biotin for Energy, Nervous & Hormone Support | Suitable for Vegetarians and Vegans | 90 Capsules

BIOCARE

£27.19

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Main highlights
- Vegan Capsules: With added vitamin C, L-glycine, choline, PABA, and inositol for comprehensive and synergistic support. Choline supports liver function and lipid metabolism. This supplement is also vegan friendly
- Optimum Support: B vitamins help release energy from food, helping to reduce tiredness, as well as supporting mental health, performance, and hormone balance. It also contributes to normal energy-yielding metabolism
- Effective: Vitamins B2, B3, B6 and B12 contribute to the reduction of tiredness and fatigue and normal functioning of the nervous system. Vitamin B6 contributes to the regulation of hormonal activity
- BioCare uses the best possible ingredients and processes to ensure the products are of highest quality. These highly effective products are accompanied by the best level of support and service, to effectively meet the requirements of each individual
- BioCare B Complex: A high potency vitamin B complex for energy, hormone & nervous support. Delivers a 50mg dose of key B vitamins in a single one-a-day capsule
£27.19
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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

LOVE LIFE SUPPLEMENTS

Vitamin B Complex High Strength | 90 Capsules - 90 Day Supply | All 9 B Vitamins B1-B2-B3-B5-B6-B7-B9-B10-B12, Inositol and Choline | Completely Clean - No Fillers | Love Life Supplements

LOVE LIFE SUPPLEMENTS

£26.90

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Main highlights
- VITAMIN B COMPLEX HIGH STRENGTH - Our complete B vitamin complex contains all 9 essential B vitamins, including B1-B2-B3-B5-B6-B7-B9-B10-B12, at an effective dosage to support optimal health. With added inositol and choline, our easy-to-swallow vegetable capsules are effectively absorbed.
- PURE ACTIVE INGREDIENTS - NO BULKING AGENTS - We keep our B complex vitamins as clean as possible by only using effective active ingredients and never adding bulking agents to fill out a capsule. Be aware of "bulking agent (microcrystalline cellulose)" and "maltodextrin" in other brands.
- FULLY ALLERGEN TESTED - MADE IN THE UK UNDER BRCGS - Our high-strength B vitamin complex is non-GMO, gluten-free, and soy-free, making it suitable for vegetarians and vegans. All of our products are manufactured in the UK under BRC Certification, the globally recognized food safety standard. You can trust our premium-quality B complex vitamins.
- ENERGY AND IMMUNE SUPPORT - Our high-strength B complex vitamins provide higher levels of B vitamins than other brands, helping to convert food into energy and reduce fatigue. They also support normal immune system function and contribute to normal mental performance.
- ADDED INOSITOL AND CHOLINE - Inositol and choline are vital nutrients that we've included in our B vitamin complex. Inositol can balance chemicals in the body to help with cognitive issues such as anxiety, while choline helps your liver and brain function correctly.
£26.90
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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

WeightWorld

WeightWorld Vitamin B Complex | 365 Vegan Tablets (1 Year Supply) | Vitamin B1, B2, B3, B5, B6, B7 (Biotin), B9, B12 (Methylcobalamin) & C | Unflavoured | One Tablet a Day | Made in The UK

WeightWorld

£12.99

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Main highlights
- WHY TAKE VITAMIN B COMPLEX TABLETS WITH VITAMIN C? Each tablet of WeightWorld's B Complex contains a robust blend of 8 B Vitamins - Vitamin B1 (Thiamin), Vitamin B2 (Riboflavin), Vitamin B3 (Niacin), Vitamin B5 (Pantothenic Acid), Vitamin B6, Vitamin B7 (Biotin), Vitamin B9 (Folic Acid), and B12 Vitamin (Methylcobalamin). This B Vitamin Complex also contains Vitamin C.
- VEGAN VITAMIN B COMPLEX: WeightWorld's B Complex is designed without including any animal-derived ingredients and is formulated with robust plant-based ingredients. This makes it suitable for vegans and vegetarians.
- TRUSTED FOR HEALTH SINCE 2006: A British-grown family business with over a decade of experience, offering a range of over 200 vitamins, supplements, and devices. All products are developed through thorough research, adhering to GMP standards, and crafted in the UK to meet diverse nutritional requirements. Suitable for vegetarians, they are formulated to provide a wholesome approach to living.
- ONE-YEAR SUPPLY OF B VITAMINS: WeightWorld's Vitamin B complex provides a concentrated blend of all B Vitamins in one bottle. Each bottle contains 365 easy-to-swallow B vitamins, providing a full year's supply.
- INCREDIBLE VALUE OF VITAMINS FOR WOMEN & MEN: Each of the 8 Vitamins in this supplement offers several benefits. Riboflavin (Vitamin B2) contributes to normal energy-yielding metabolism. Biotin (Vitamin B7) contributes to the maintenance of normal hair & skin. Vitamin B12 contributes to normal functioning of the nervous system & reduction of tiredness & fatigue. Vitamin C contributes to the normal function of the immune system (EFSA Claims).
£12.99
4
Best Value
37% Off

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

SOLGAR
37% Off

Solgar Vitamin B-Complex "100" Extra High Potency Vegetable Capsules - Pack of 100 - Supports Mental Performance and Reduces Fatigue - Vegan

SOLGAR

£21.99

£35.00
(37% Off)

More Details
Main highlights
- ✓NATURAL WELLNESS - We believe that cleaner is better, we craft our vitamins and minerals in small batches to help ensure consistency and purity from bottle to bottle
- ✓GOLD STANDARD - All Solgar products meet our industry recognized “Gold Standard” for excellence, made using naturally sourced ingredients and innovating since 1947
- ✓COMMITTED TO SUSTAINABILITY - For over 70 years we've used 100% recyclable amber glass bottles
- ✓ UNLOCK ENERGY FROM FOOD - Solgar Vitamin B-Complex ''100'' is an extra high potency formulation delivering a 100 mg dose of key B vitamins.
- ✓ PERFECT BUSY OR ACTIVE LIFESTYLES - Solgar’s unique formula delivers Thiamine (B1), Riboflavin (B2), Niacin (B3), Pantothenic Acid (B5), and Vitamin B6, along with other B vitamins such as Folic Acid, Biotin (B7) and Vitamin B12. They help our bodies convert food into energy, allowing us to stay energised throughout the day, as well as supporting our mental performance.
£21.99
£35.00 (37% Off)
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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Nutravita

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

Nutravita

£14.99

More Details
Main highlights
- ✔︎ 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.
- ✔ 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).
- ✔ 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.
£14.99

5 Best Vitamin B Complexes of 2025

BioCare B Complex | Vitamins B1, B2, B3, B5, B6, B12, C & Biotin for Energy, Nervous & Hormone Support | Suitable for Vegetarians and Vegans | 90 Capsules

Vitamin B Complex High Strength | 90 Capsules - 90 Day Supply | All 9 B Vitamins B1-B2-B3-B5-B6-B7-B9-B10-B12, Inositol and Choline | Completely Clean - No Fillers | Love Life Supplements

WeightWorld Vitamin B Complex | 365 Vegan Tablets (1 Year Supply) | Vitamin B1, B2, B3, B5, B6, B7 (Biotin), B9, B12 (Methylcobalamin) & C | Unflavoured | One Tablet a Day | Made in The UK

Solgar Vitamin B-Complex "100" Extra High Potency Vegetable Capsules - Pack of 100 - Supports Mental Performance and Reduces Fatigue - Vegan

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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