Hydrox-Adeno B12/B-12 is a dietary supplement built to support energy production and neurological function by delivering two bioactive forms of vitamin b12. Active ingredients hydroxocobalamin and adenosylcobalamin support energy and nerve health, while the lozenge format promotes better absorption and gentle, rapid uptake. Seeking Health is known for bioavailable nutrients and transparency; products are made in GMP certified facilities with rigorous quality controls.

Available Sizes & Variants:

60 lozenges - convenient daily supply for ongoing B12 support

Benefits & Features:

• Two bioactive B12 forms drive steady energy.
• Sublingual lozenge delivery supports better absorption, helping you feel the benefits sooner.
• Combination of hydroxocobalamin and adenosylcobalamin supports neurological health and mitochondrial energy production, helping you stay alert and focused throughout the day, even during demanding tasks.
• Non methylated B12 profile suits those sensitive to methyl donors and supports stable energy.
• Daily use supports energy metabolism and neurological function, especially for individuals with absorption challenges.

Seeking Health's Hydrox-Adeno B12/B-12 sits at the heart of a brand built on bioavailable nutrients and practitioner guided formulations. Manufactured in GMP certified facilities with batch testing and transparent sourcing, the product emphasises purity you can trust. The two bioactive B12 forms fuel cellular energy and support nervous system function, while the non methylated profile suits those sensitive to methyl donors. For vegan b12 seekers, high quality vitamin b12 options matter, and cyanocobalamin is a common alternative form. Quality you can trust, every batch is tested.

Vitamin B12

• GTIN: 810007520490
• 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 professional. You may break the lozenge into smaller pieces for a lower dosage if needed. Avoid using within 5 hours of bedtime to prevent sleep disturbances. Take 1/2 level teaspoon daily\, preferably with a meal. For best results\, blend into "pulpy" type juices such as tomato or orange juice.

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

The Active Ingredient Is: Vitamin B12 (Hydroxocobalamin and Adenosylcobalamin forms)

Vitamin B12 is a water-soluble vitamin basically for normal nervous system function and DNA synthesis. This product gives two bioactive B12 forms to support energy pathways in metabolism through non-methylated and mitochondria-focused activity.

This formula uses hydroxocobalamin and adenosylcobalamin in a lozenge format, which can promote sublingual absorption and fits with non-methylated B12 profiles that may suit people sensitive to methyl donors.

What Does Vitamin B12 Do?

Vitamin B12 plays a part in energy production and keeping the nervous system intact, supporting normal metabolic processes and cellular function.

In line with EFSA and NHS guidance, B12 supports normal energy metabolism and neurological function as part of everyday dietary intake.

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

Seeking Health is the brand we decided on for Hydrox-Adeno B12 because this brand consistently shows a solid commitment to bioavailable nutrients, openness, and practitioner-guided formulations. In a market full of options, Seeking Health stands out for its focus on purity, evidence-based formulations, and clear ingredient sources, which aligns with Welzo’s standards for reliability and traceability. This brand has earned recognition in independent reviews for quality and customer trust, reinforcing our confidence in their manufacturing philosophy and reliability. You can learn more about how we verify ingredient quality and the brand’s testing approach on our quality page, and see how this brand was evaluated by our expert team of doctors, nurses, and nutritionists.

Compared with alternatives, Seeking Health differentiates itself through GMP-certified manufacturing, batch testing for identity and potency, and full label transparency that supports traceability for raw materials. This combination of rigorous quality controls and openness supports confident supplementation for customers seeking high-purity B12 forms. For this product, Seeking Health’s offering of two bioactive B12 forms in a sublingual lozenge format directly supports the product’s design, making it particularly well-suited for Hydrox-Adeno B12. This decision reflects our brand evaluation process and the fit between brand strengths and this supplement’s needs, guided by our expert team of doctors, nurses, and nutritionists and our commitment to how we verify ingredient quality.