Humic Acids Function

Updated October 27, 2026 · 1 min read

SAINT HUMIC supplies humic acid, humate and fulvic acid products for agricultural and industrial use, such as soil conditioners, fertilizer formulations and water treatment. These products are not supplied for human consumption, and SAINT HUMIC does not supply any product for the prevention, diagnosis or treatment of disease.

This page does not provide medical or health advice. For questions about dietary supplements or health conditions, please consult a qualified healthcare professional.

Agricultural grades

For fertilizer, soil and foliar applications, please see our humic acid, potassium fulvate and bio fulvic acid product pages, or contact us for the current Technical Data Sheet (TDS) and Safety Data Sheet (SDS) of each grade.

KNOWLEDGE CENTER

Humic Acid FAQ

Humic acid What is humic acid? Humic acid is a natural organic fraction formed from decomposed and transformed plant and microbial materials. In agriculture, it is used mainly for soil conditioning, fertilizer efficiency and root-zone support. Is humic acid a fertilizer? It is not a conventional NPK fertilizer. Humic acid may contain organic matter and […]

Soil Organic Carbon

Soil organic carbon is the carbon stored in soil organic matter, and it is one of the foundations of productive, resilient soil. It is not a single product. It is not created overnight. It is the result of plant growth, root activity, residue return, microbial transformation and soil management. What soil organic carbon means Plants […]

Seaweed Extract Guide

Seaweed extract has become a standard ingredient in plant biostimulant products. It is used in foliar sprays, drip irrigation products, transplanting formulas, fruit-setting programs and stress-management blends. The material is popular, but quality varies widely. A fertilizer label may say “seaweed extract,” while the actual product can differ in seaweed species, extraction method, solids, alginic […]