Tetra AG is a leading manufacturer of essential trace and macroelements that are of central importance for the functioning of metabolic processes.

Tetra AG operates a professional research laboratory in Norderstedt near Hamburg and has independently developed various colloidal products over many years. The company also manufactures the machines used to produce these high-quality products.

Our portfolio includes not only colloidal gold and silver , which have been used successfully for centuries to treat various symptoms and complaints. In addition, we now also offer the special colloidal products germanium and tantalum .

Our focus is on research and development with precious metals and the catalytically highly active semi-metals, which play an exceptionally key role in brain metabolism, enzyme metabolism and the immune system.

An innovative process, the plasma breakthrough discharge process in ultrapure water, was developed through research at Tetra AG. This process forms the basis for all our colloidal products and ensures optimal bioavailability.

TetraFit is the brand line of all Tetra AG products.

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TetraAG and TetraFit are trademarks of TetraAG GbR.