Doctor's Best Chewable Fully Active B12 helps boost energy and brain function by delivering the bioactive methylcobalamin, the core driver behind healthy mood and nerve support. This chewable is easy to take daily and offers steady support for energy and mood, designed for quick, everyday use and reliable help whenever you need a lift. Doctor's Best is recognised for science-based nutrition and quality standards, with non-GMO, gluten-free, vegan formulations and GMP manufacturing.

Available Sizes & Variants:

60 tablets chewable B12 - convenient daily dose you can take anywhere.

Benefits & Features:

• Boosts daily energy.
• Biologically active methylcobalamin is the star ingredient, the cornerstone of vitamin b12 supplements, supporting energy production, nerve function, and mood by helping essential cellular processes work smoothly.
• Designed for daily use with tasty chewable format, easy to carry and enjoy.
• Non-GMO, gluten-free and vegan friendly, crafted to fit modern diets.
• Manufactured under GMP guidelines to ensure purity and consistency, with straightforward ingredients like xylitol and natural flavours, so you can trust every chew as a reliable B12 dietary supplement.

Doctor's Best has built a reputation on science-based nutrition and transparent sourcing. Methylcobalamin is the star ingredient, aiding DNA synthesis, red blood cell production, and homocysteine recycling—key processes behind energy, mood, and nerve health. The product is non-GMO, gluten-free, soy-free, vegan and manufactured in GMP-certified facilities, reflecting the brand's commitment to quality you can trust.

Invetek chewable base, xylitol, magnesium stearate (vegetable source), chocolate-mint flavor.

• GTIN: 753950003286
• Manufacturer: Doctor's Best
• Categories: Best SellersDoctor's BestSubscribe & Save Products
• 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.

Chew 1 tablet in your mouth before swallowing, preferably within one hour after a meal. Store in a cool, dry place away from direct sunlight. Warning: Keep out of reach of children. Do not exceed the recommended dosage.

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

The Active Ingredient Is: Vitamin B12 (Methylcobalamin)

Vitamin B12, in the methylcobalamin form, is the bioactive nutrient crucial for cellular functions and neurological wellbeing.

This product contains methylcobalamin as the sole active ingredient, underscoring a direct supplementation of the body’s easily usable B12 form.

What Does Vitamin B12 Do?

Vitamin B12 is involved in DNA synthesis, red blood cell formation, and the recycling of homocysteine, supporting energy production and neurological function.

Dr. Eussen of the University of Groningen discovered that B12 supplementation can support cognitive function and mood in older adults, aligning with EFSA-informed understanding of its physiological roles.

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

Vitamin B12MethylCobalamin: 1000 mcg

Our medical team decided on Doctor's Best as the partner for this supplement because the brand has a solid reputation in science-based nutrition and clear ingredient sourcing. Doctor's Best is continually recognised for its evidence-driven formulations and established standing in the premium supplement space, reinforced by positive customer trust and genuine product guarantees. This reputation lines up with Welzo's commitment to credible, well-supported offerings and shows up in our team’s evaluation process, where we check a brand’s heritage, certification landscape and manufacturing quality our team of medical experts and our quality certification process.

In our vetting, Doctor's Best stood out for its manufacturing approach that emphasises non-GMO, gluten-free, soy-free and vegan standards within GMP-adherent facilities, highlighting a really thorough quality framework. This makes the brand a natural fit for a methylcobalamin chewable, supporting energy, mood, memory and neurological health as described in the product research into the product. We chose Doctor's Best for this supplement because of their commitment to purity, potency and science-driven dosage, which sits in line with Welzo’s standards for product integrity and safety.