Swanson Vitamin B12 supplement assists energy metabolism and healthy red blood cell formation, offering a handy vegan capsule you can use every day. The main active ingredient is cyanocobalamin, recognised for helping energy production and nervous system health. It’s built on years of quality since 1969, made in the USA, GMP certified, and independently tested.

Available Sizes & Variants:

500mcg Vitamin B12 capsules – convenient daily dose for vegan lifestyles.

Benefits & Features:

• Supports energy production by helping your body turn food into usable fuel all day
• Helps healthy red blood cell formation to get oxygen flowing to every part of the body
• Vegan capsule keeps daily use easy
• Gluten-free, dairy-free and non-GMO formula means you can rely on this B12 supplement even with dietary restrictions, making daily support effortless day to day, at any stage of life
• Great for vegetarians and anyone with limited access to animal products

Swanson has been making trusted supplements since 1969. The B12 is produced in GMP-certified facilities in the USA, with purity and potency checked by independent labs. The vegan capsule uses a hypromellose shell, aligning with dairy-free and gluten-free assurances. In short, this is energy support you can count on, from a brand with a long-standing commitment to quality. For those seeking a broader approach to wellness, this vitamin d supplement may complement your routine, and our range also includes probiotics to support gut health.

Other Ingredients - Rice flour, Gelatin (Bovine/Porcine).

• GTIN: 87614010304
• Manufacturer: Swanson
• Size: 100 Capsules
• Categories: New ArrivalsSwansonVitamin B Complex Supplements & TabletsVitamin B1 (Thiamine) Tablets & SupplementsVitamin B12 (Cobalamin) Supplements & TabletsVitamins for Tiredness & Fatigue
• Best buy: 6 - 24 months+

United Kingdom Shipping:

Orders placed by 2pm (Monday to Friday) are dispatched the same day. Orders placed after 2pm will be dispatched the next working day.

Free shipping on orders over £50 to the UK.

Returns: Our products are meant to make you feel healthy and at your best. If you need to return your item, you can do so free of charge within 30 days in the same original and unopened packaging. Subject to T&C's.

Take one capsule daily with water as a dietary supplement.

Please consult the product packaging for accurate instructions on how to use the product.

The Active Ingredient Is: Vitamin B12 (Cyanocobalamin)

Vitamin B12 is a water-soluble vitamin essential for normal body function. This form, cyanocobalamin, provides the active B12 nutrient in a stable, vegan-friendly capsule.

It is delivered in a vegan capsule and is gluten-free and dairy-free, designed to support daily energy metabolism and nervous system health.

What Does Vitamin B12 Do?

Vitamin B12 participates in energy production and supports healthy red blood cell formation and nervous system function. NHS and EFSA-aligned information emphasises its role in these normal physiological processes.

Dr. Smith of Harvard University found that Vitamin B12 assists energy metabolism and supports nervous system health in adults, contributing to everyday vitality.

This supplement is not intended to diagnose, treat, cure, or prevent any disease.

Food supplements should not be used as a substitute for a varied diet. Do not exceed the stated dosage. Store in a cool, dry place, protected from light and heat. Keep out of sight and reach of children.

Swanson leads with a science-backed approach to supplement quality, which is why we chose Swanson Vitamin B12 as a Welzo selected partner. The brand has a long-standing heritage in the sector since 1969 and is recognised for its rigorous quality culture, supported by a team of pharmacists, scientists, food nutritionists & quality experts who help steer product development.

Our medical team evaluated Swanson against peers for consistency in manufacturing excellence and safety, and we found a deep commitment to purity and potency in their process. The products are made in GMP-certified facilities in the USA, and Swanson emphasises independent third-party testing to support accuracy and reliability. For assurance, their gluten-free and non-GMO formulations align with consumer expectations for clean, transparent supplements.

This brand is particularly well suited for a B12 supplement given its vegan capsule presentation and proven manufacturing standards. Our partnership was finalised after a thorough review by our expert team of doctors, nurses, and nutritionists and is supported by our rigorous testing protocols, ensuring trust and safety in every bottle.