Doctor's Best Fully Active B-Complex with Quatrefolic

Vitamin C (as Ascorbic Acid), Thiamin (as thiamin HCl), Riboflavin (as riboflavin and riboflavin-5-phosphate), Niacin (as niacinamide and niacin), Vitamin B6 (as pyridoxine HCl and pyridoxal-5-phosphate), Folate (as (6S)-5-methyltetrahydrofolic acid, glucosamine salt)(Quatrefolic), Vitamin B12 (as methylcobalamin), Biotin, Pantothenic acid (as d-calcium pantothenate)

United Kingdom & Rest of the World Shipping Details:
Same day dispatch for orders placed by 2pm (Orders after 2pm dispatched 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 14 days in the same original and unopened packaging. Subject to T&C's.

Welzo is a UK-based health platform. Orders ship from the UK.

Take 1 capsule daily with a meal, or as directed by your healthcare professional. Store in a cool, dry place. Keep out of reach of children. Do not exceed the recommended dose. Consult a doctor if you are sensitive to Thiamin (Vitamin B1), Niacin, or Vitamin B12, or if you experience any unwanted reactions. Dietary supplements are not a substitute for a balanced and varied diet and a healthy lifestyle.

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 is a water-soluble nutrient involved in everyday neurological function and red blood cell production. This version is methylcobalamin, a bioactive form used in supplements to support vitamin-linked pathways.

Practically, methylcobalamin is a quickly absorbed, active form of B12 that takes part in key cellular tasks and nervous system wellbeing.

What Exactly Does Vitamin B12 Do?

Dr. Malouf from Oxford University found that methylcobalamin ties to improved homocysteine control and nerve support.

These effects show the vitamin's job in backing nerve function and metabolism within everyday limits.

This product isn't meant to diagnose, treat, cure, or stop any illness.

Doctor's Best starts with Science-Based Nutrition, a vibe built on delivering ultra-pure, clinically mindful formulations. This brand is recognised for its focus on advanced, bioavailable ingredient forms and a wide international following, staking a trusted spot in the supplement landscape. Their commitment to quality shows in non-GMO, gluten free, soy free and vegan options, stressing careful ingredient sourcing and allergen safety. Doctor's Best is known for specialising in premium B vitamins and folate, including the Quatrefolic® folate form, which demonstrates superior bioavailability in clinical contexts. Our team assessed their manufacturing philosophy as rigorous and transparent, backed by robust quality practices that align with Welzo's standards. For those seeking reassurance through third‑party quality measures, this brand fits our really rigorous testing protocols and clear quality language, as we work with our expert team of doctors, nurses, and nutritionists our expert team of doctors, nurses, and nutritionists and our rigorous testing protocols.

This product is a natural fit for a full B-complex, using active B vitamins and methylated folate to support energy pathways while keeping our high standards for purity and safety. Doctor's Best stood out in our assessment for its science-forward approach, clear suitability for this formulation, and a solid track record that complements Welzo's commitment to evidence-based supplementation.