Life Extension Vitamin B12 Methylcobalamin provides sublingual, quickly absorbed vitamin B12 to help energy, nerve function and red blood cell formation. Methylcobalamin is the bioactive form that works quickly, [so you can feel it fast] when you place it under the tongue. Life Extension is a respected brand with strong quality standards, known for vegetarian and non-GMO formulations.

Available Sizes & Variants:

100 vegetarian lozenges - convenient daily dose you can dissolve under the tongue.

Benefits & Features:

• Sublingual absorption boosts convenience.
• Energy production is supported by methylcobalamin, a key vitamin b12 supplements option.
• Bioactive methylcobalamin supports energy production, red blood cell synthesis, and nervous system health, making this one of the reliable vegetarian b12 supplements you can trust for steady energy and mental clarity.
• Vegetarian b12 supplements that are non-GMO align with ethical dietary choices.
• One lozenge daily fits easily into a balanced routine.

Life Extension has built its reputation on GMP compliant manufacturing and vegetarian-certified, non-GMO formulations. Purity testing and stability checks are standard, ensuring each lozenge delivers consistent potency. This practical, science-backed approach explains why vegetarians rely on Life Extension for steady energy and nerve support. The sublingual format fits easily into daily routines, making it a trustworthy choice among vegetarian b12 supplements.

Vitamin B12 (as methylcobalamin), Vitamin B12 (as methylcobalamin)

• GTIN: 737870361107
• Manufacturer: Life Extension
• Categories: Best SellersLife ExtensionSports Supplements Black Friday SaleVitamin 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.

Dissolve in mouth or chew one (1) lozenge daily, or as recommended by a healthcare practitioner. Store in a cool, dry place, tightly closed. Keep out of reach of children. Do not exceed the recommended dose. Do not purchase if outer seal is broken or damaged. Consult your physician if you are undergoing treatment for a medical condition or if you are pregnant or lactating.

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

*Percent Daily Values are based on a 2,000 calorie diet. Your daily values may be higher or lower depending on your calorie needs.

The Key Ingredient Is: Vitamin B12 (Methylcobalamin)

Vitamin B12, in the methylcobalamin form, is a water soluble vitamin essential for energy production, red blood cell formation, DNA synthesis and nerve function.

This sublingual, bioactive form is presented in vegetarian, non-GMO preparation designed for fast absorption from the mouth.

What Does Vitamin B12 Do?

Vitamin B12 plays a role in energy metabolism and supports healthy red blood cell formation and nerve function. It also contributes to the normal metabolism of homocysteine, which supports overall neural and cardiovascular health in line with EFSA guidance.

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

Life Extension leads with production excellence, making it our trusted choice for a high‑quality B12 supplement. This brand is widely recognised in the US for its commitment to purity and potency, backed by a reputation built on decades of dedicated formulation and quality standards. Life Extension products are non‑GMO and vegetarian certified, reflecting a clear alignment with health-conscious consumers and dietary needs. The manufacturer emphasises GMP‑level controls, including purity testing, stability evaluation and rigorous batch quality control, which translates into reliable, consistent supplements that meet stringent internal benchmarks. Our team values this brand for its proven focus on safety, transparency and rigorous quality processes, which we reflect in our evaluation of supplier partners. This brand’s methylcobalamin formulation is well suited to a sublingual delivery method, supporting absorption as described in the product details. Welzo evaluated this brand for compliance with Welzo's healthcare professionals and our quality assurance criteria before selection.