Methyl Complex is a methylated B vitamin complex that supports methylation processes, boosts energy, and supports nervous system health, helping maintain healthy homocysteine metabolism. Backed by Nutri Advanced's over 40 years of expert, practitioner-endorsed science, this methyl complex uses bioactive methylated forms for easy, reliable absorption. Manufactured to the highest standards, it truly reflects Nutri Advanced's commitment to purity and proven ingredient quality.

Available Sizes & Variants:

90 capsules – Ideal monthly supply for steady methylation support.

Benefits & Features:

• Supports energy and focus.
• Activated methyl forms enable nutrients to be quickly and easily used, supporting methylation and nervous system health.
• Methylated B vitamins support methylation pathways and homocysteine metabolism, which may help cognitive function and mood through better nerve health in daily life outcomes overall.
• Manufactured to Good Manufacturing Practice standards for purity and potency, with thorough quality checks.
• Gentle on digestion and well tolerated, it pairs well with a vitamin d supplement and magnesium glycinate.

Nutri Advanced has over 40 years of heritage as a trusted, expert-backed brand in the UK and Ireland, renowned for science-led, quality focused supplements. The methyl complex uses bioactive methylated B vitamins to maximise absorption and support methylation, homocysteine metabolism, and nervous system function. Formulated with rigorous internal testing and produced to good manufacturing practice standards, the product sits within a trusted practitioner-approved range. Many customers also pair it with a vitamin d supplement, magnesium glycinate, or berberine as part of a balanced wellness routine.

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.

The supplement is commonly used to support overall health and wellness. It is also often taken to address specific deficiencies or health concerns. Additionally, some individuals use the supplement to enhance athletic performance or aid in weight loss. Furthermore, it can be used as a preventative measure against certain diseases or to boost immunity. Lastly, the supplement may be utilized as a complementary therapy alongside traditional medical treatments. Simply tear off a small strip of pH paper\, dip into the test solution\, then instantly compare the resulting colour with the matching pH colour chart.

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

1. Methyl Complex by Nutri Advanced is a unique blend of essential vitamins and minerals that support the body's natural methylation processes, aiding in the production of neurotransmitters and DNA synthesis.
2. This supplement may also help to maintain healthy homocysteine levels, promoting cardiovascular health and reducing the risk of heart disease.

The Active Ingredient Is: Vitamin B12 (Methylcobalamin)

Vitamin B12, in the methylcobalamin form, is a water-soluble vitamin that’s essential for normal nervous system function and energy metabolism.

This form is a bioactive, methylated B12 with high bioavailability, often used to support efficient methylation pathways and overall B‑complex activity.

What Does Vitamin B12 (Methylcobalamin) Do?

Dr. Reynolds from the University of Melbourne found that methylated B vitamins help support methylation processes, energy levels, and nervous system health, matching EFSA guidance on B‑vitamin function.

The interaction with other methylated B vitamins in this complex helps keep healthy homocysteine metabolism and contributes to daily physiological functioning.

This product isn't meant to diagnose, treat, cure, or prevent any disease.

Nutri Advanced shines as our supplier partner because this brand blends a long-standing heritage with practitioner-led science, making it a trusted pick in high-quality nutrition. This brand’s standing is founded on four decades of expert-backed development and tight collaboration with healthcare professionals, earning a solid, well-regarded spot in the UK and Ireland. This brand is recognised for its thorough, science-forward approach to formulation and education, which lines up with Welzo’s commitment to evidence-based sourcing.

The core of our decision rests on Nutri Advanced’s manufacturing credentials and quality mindset. All Nutri Advanced/Metagenics products are manufactured under GMP standards with a clear emphasis on purity and optimised, bioavailable nutrient forms, reflecting a strong quality culture our team values. Their commitment to science-backed product development and clinical consultation underpins their credibility, which we validate through our our quality assurance criteria.

This brand’s specialised use of bioactive methylated B vitamins renders it especially well matched for Methyl Complex, and our evaluation process confirmed their excellence versus alternatives. Learn more about our experts guiding this choice at our team of medical experts.