Double Wood Supplements Sulbutiamine helps focus and mood by delivering a brain friendly version of thiamine that crosses the brain barrier for clearer thinking. This heritage and brand notes include clear COA access and independent testing so you know exactly what you’re getting. Sulbutiamine is a fat soluble derivative of vitamin B1, made to reach the brain fast. Quality you can rely on.

Benefits & Features:

• Boosts focus and mood for everyday mental clarity.
• Supports memory and cognitive performance by delivering a brain friendly form of thiamine quickly and easily.
• Ideal for daily routines, it blends into your day without heavy meals, and helps sustain motivation during demanding tasks, making focus feel more natural overall.
• Non-GMO and gluten free formulation supports clean supplementation without artificial additives.
• Designed with clear COA and independent testing to ensure ingredient purity and safety for your peace of mind, quickly and easily.

Double Wood Supplements has earned trust through transparent sourcing and rigorous testing. Sulbutiamine is manufactured under careful quality controls and is offered in non-GMO, gluten free capsules, designed for easy daily use. The formula uses a fat soluble thiamine derivative that helps it reach the brain more readily, supporting energy metabolism and cognitive function. Each batch is accompanied by Certificates of Analysis, reflecting the brand's commitment to safety and consistency. For broader wellbeing, some customers pair this with a vitamin d supplement and probiotics for gut health as part of a balanced 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.

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

The Active Ingredient Is: Sulbutiamine

Sulbutiamine is a lipid-soluble derivative of thiamine, providing a brain-accessible form of vitamin B1.

It crosses the blood-brain barrier more readily than regular thiamine, supporting brain metabolism and neurotransmitter systems.

What Does Sulbutiamine Do?

Sulbutiamine is involved in thiamine-dependent brain metabolism and neurotransmitter activity, which supports cognitive processes.

Dr. Mimoun of University of Paris found that higher brain thiamine availability can influence energy use and attention.

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

Double Wood Supplements has established a strong track record as a trusted provider in the supplement space, recognised for scientific rigour and commitment to quality. This brand’s approach to transparency and quality aligns with Welzo’s standards, making them a reliable partner for Sulbutiamine. The emphasis on accessible COA documentation and third-party testing demonstrates a disciplined commitment to purity and safety that resonates with our patients. We evaluated Double Wood Supplements through our trusted process and confirmed their alignment with Welzo’s quality expectations. Our team of medical experts our team of medical experts has verified their industry standing, supporting a confident recommendation to you.

The manufacturer’s focus on clean formulation and clear testing practices supports product integrity from raw materials to finished capsules. This fits perfectly with Sulbutiamine’s targeted use, where dependable sourcing and verification of ingredients are essential. You can rely on the brand’s quality story as part of Welzo’s commitment to verified excellence, reinforced by our quality certification process.