Fulvic & Humic acids are naturally occurring, ancient organic LEONARDITE “brown coal” deposits, found at specific sites considered to be the most active nutritional compounds in soil, Humic substances contain natural nutritional phytochemical groups, such as sterols, isoflavones, fatty acids, polyphenols, ketones, flavonoids, tocopherols, tannins, Fulvic-Humic trace vitamins, Fulvic-Humic amino acids and 70+ trace minerals.