Active B12 lozenges deliver a quick acting vitamin B12 boost for energy and mental clarity without unnecessary flavours or sugars, supporting daily energy and sharp thinking. Two coenzyme forms methylcobalamin and adenosylcobalamin help with absorption and use in energy, brain function and red blood cell formation, because Seeking Health upholds strict cGMP quality standards. It is free of dairy, eggs, gluten, peanuts, soy, shellfish, and tree nuts, and suitable for vegetarians and vegans.

Available Sizes & Variants:

60 Lozenges – Convenient monthly supply of soy-free B12 lozenges

Benefits & Features:

• High potency vitamin B12 lozenges support quick relief and steady energy all day.
• Fast acting absorption delivers a reliable energy lift and mental clarity, thanks to the duo of active forms methylcobalamin and adenosylcobalamin designed for efficient use by the body.
• soy-free B12 supports energy.
• Convenient lozenges make active B12 supplements easy to take on the move.
• Free from dairy, gluten, peanuts, soy, shellfish, and tree nuts, these lozenges align with vegan and allergen conscious lifestyles.

Seeking Health manufactures professional-grade supplements in cGMP compliant facilities, with every batch undergoing potency and purity testing to ensure consistency. The Active B12 5000 lozenge provides 5000 mcg of B12 as methylcobalamin and adenosylcobalamin, a soy-free, non-GMO formula suitable for vegetarians and vegans. This heritage of transparency and quality mirrors patient-focused care in nutrition, making it a reliable choice for energy support, cognitive health and red blood cell formation on the go.

Vitamin B12, xylitol, ascorbyl palmitate, silica, and natural flavors.

• GTIN: 810007520049
• Manufacturer: Seeking Health
• Categories: Best SellersNew ArrivalsPopular Supplement BrandsSeeking HealthSubscribe & Save ProductsVitamin B12 (Cobalamin) Supplements & Tablets
• 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 lozenge daily, or as advised by your healthcare provider. If a lower dose is needed, you can break the lozenge into smaller pieces. Avoid taking it within 5 hours of bedtime as it may disrupt sleep. 10 drops typically provide 108mg of grapefruit seed extract. Dilute 5-10 drops in 100ml of water or juice\, stir thoroughly. Consume 30 mins before or 2 hours after meals\, 1-3 times a day (children over 8 years\, half dose) or as your health professional advises.

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

Vitamin B12 is a water-soluble vitamin important for everyday neurological function and red blood cell formation. This formulation provides the active coenzyme forms methylcobalamin and adenosylcobalamin, which are easily recognised and used by the body.

The lozenge provides these active B12 forms in a compact, easy-to-absorb format, supporting everyday energy metabolism and cognitive wellness through natural bodily processes.

What Does Vitamin B12 Do?

Vitamin B12 is part of energy metabolism and brain function, and is linked with everyday red blood cell formation. NHS and EFSA guidance recognise its role in supporting these regular bodily functions, supporting daily wellbeing.

Dr. Yetley of the University mentioned that adequate B12 levels supports these bodily processes, in line with EFSA conclusions on nutrient function.

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

Seeking Health adds a science‑led, brand‑driven approach to supplement manufacturing, aligned with our commitment to rigorous quality and traceability. This brand is recognised for producing professional‑grade products that adhere to current Good Manufacturing Practices (cGMP), ensuring identity, potency and cleanliness across every batch. Their clear emphasis on quality control and transparency supports consistent product integrity, which is central to Welzo’s standards our ingredient quality and purity standards.

For the UK market, Seeking Health’s formulation philosophy prioritises readily absorbable, biochemically active forms and allergen‑safe ingredients, positioning it well for consumers seeking reliable B12 supplementation. The partnership is strengthened by Welzo’s medical team evaluating this brand against competitors to confirm alignment with our vetting criteria, and by the ongoing collaboration with Welzo's healthcare professionals.

This brand’s credibility, manufacturing excellence and dedication to purity dovetail perfectly with the needs of Active B12, making Seeking Health a natural fit for this supplement. The result is a synergistic pairing where brand strengths directly support product requirements and consumer confidence.