UA-74504292-1 Where Fulvic Acis comes from?
Athletes Advantage extracts the acids from a raw material called Leonardite. Athletes Advantage obtains a high quailty Leonardite from the USA. Leonardite contains approximately 80% Humic and Fulvic acids.

The extracted Humic Acid (which is a dark brown colour) and contains approximately 10% – 20% Fulvic Acid (which is a yellow coloured acid).

Hypothetical model structure of fulvic acid (Buffle's model) contains both aromatic and aliphatic structures, both extensively substituted with oxygen - containing functional groups.