Advanced Fulvic/Humic is sourced and formulated to maximize effectiveness, potency, and range of benefits. Our formula contains the benefits of both free form and chelated fulvic and humic acids, plus over 70 trace micronutrients. The fulvic and humic acids in Advanced Fulvic are concentrated via high-tech residual-free extraction methods which preserve the natural micronutrient balance. Advanced Fulvic/Humic is produced using stringent testing and process controls for product consistency, safety, and purity. In addition, each production batch is third-party tested. Like all of our products, Advanced Fulvic is backed by the Coseva Purity Promise and 30 day money-back guarantee.