Why wont major US brands give certificates of origin?

90% of magnesium comes from China. This chemically treated low quality magnesium is shipped to the USA as creams, lotions, pills and flakes. It is sold to US brands as Zechstein without trademark.

How can these brands claim it is proprietary when one is not asking for a formulation but the source of one ingredient which they make claims about yet cannot confirm? Where is the transparency? You can call our source in the Netherlands.


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