Welcome to the Official Magtein® Distributor Website for the CEE RegionMagtein® for CEE region
Nutraseu is the official distributor of patented Magtein® (magnesium L-threonate) for Central and Eastern Europe. Magtein® is an EU-authorized source of magnesium for use in food supplements.
We supply premium ingredients to manufacturers and private-label brands, backed by complete documentation and full regulatory support.
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Magtein®
Magtein® – a patented magnesium for demanding formulations. Nutraseu is your B2B raw-material supplier for the Central and Eastern European region.
Magtein® is Magnesium L-Threonate – a patented, trademark-protected form of magnesium. Authorized in the EU. Magnesium L-Threonate is an EU-approved source of magnesium for food supplements for adults.
Original, not a generic. A patented raw material.
Thanks to EFSA protection, only the authorized Magtein® raw material may legally be placed on the EU market as a magnesium source in food supplements. Details in the Raw materials section.
We supply manufacturers
Raw material with complete documentation (COA, specification) and regulatory support. We supply food-supplement manufacturers, private labels and e-shops across CEE.
Why Nutraseu
We are a B2B distributor specialising in magnesium raw materials for the production of food supplements in the Central and Eastern European region.
With every delivery we provide complete documentation – a certificate of analysis (COA) and raw-material specification – and regulatory support for placing the product on the EU market.
We supply Magtein® as an EU-authorized source of magnesium and keep expanding our portfolio with vetted raw materials.

Why Nutraseu
Watch the video to learn more about Magtein®, the patented and EU-authorized form of magnesium L-threonate. We are the official distributor for the CEE region, offering full documentation and regulatory support for B2B clients.
Find answers to the most frequently asked questions regarding Magtein® and our raw materials. If you cannot find the information you need, feel free to contact us at info@nutraseu.eu.
FAQ
Interested in Magtein® or other magnesium raw materials? Contact us for inquiries, samples, documentation (COA), or to discuss potential cooperation. We are the official B2B distributor for Central and Eastern Europe.






