: Reputable brands disclose exactly where they mine their material, such as Utah, New Mexico, or Canada. Avoid vague terms like "natural source" without a specific location.
: This is the gold standard. It uses only pure water without harsh chemical solvents or high heat, preserving the vulnerable molecules. buy fulvic acid
: Be cautious of "biochemical" fulvic acid made from fermentation leftovers or molasses, as these are often lower in bioactive compounds. 2. Check the Extraction Method : Reputable brands disclose exactly where they mine