Humic and Fulvic Acids are acids derived from soil humus. These acids assist in nutrient uptake by making it easier for solutions to pass between plant cell walls and boosts the metabolism of cells to promote quicker growth. Humic and fulvic acids are naturally occurring substances …in the earth, created by the decomposition of leaves, wood, and other forest matter. Nutrient uptake is important for plant growth, and humic acid boosts uptake. This means that plants are able to grow faster and grow stronger thanks to more available food. Shop now across HTG Supply’s many brands of humic and fulvic acid.