How much Fulvic Acid is in Fulvic Mineral Complex?

The amount of fulvic acid in FMC ranges from roughly 6 to 13%, and humic acid is under 1%. This is based on the Lamar Standardized Test, the gold standard. Why the range? It comes from a natural deposit, approximately 32 million years old.  We use purified water to extract it from shale, and that's it. We don't add anything or remove anything.