Fulvic acid (FA)

Fulvic acid refers to **a class of naturally occurring acidic organic polymers**, formed through microbial degradation and chemical transformation processes acting on dead plant material and other biological matter. It consists mainly of aromatic polymers rich in carboxyl groups which confer high acidity and reactivity toward metal ions—enabling strong chelation properties that increase metal solubility in water environments.[2] Its average chemical formula has been described as C135H182O95N5S2.[5] In biological systems—and especially within soil science—fulvic acids play important roles by enhancing nutrient availability/uptake for plants due to their ability to form soluble complexes with mineral nutrients.[3] In vitro studies have shown that fulvic acids possess **antioxidant properties**, including direct scavenging activities against superoxide (ˆˆO_2^{•–}ˆˆ), hydroxyl (ˆˆOH^{•}ˆˆ), hydrogen peroxide (ˆˆH_2O_2ˆˆ), hypochlorous acid (ˆˆHOClˆˆ), peroxynitrite (ˆˆONOO^–ˆˆ), singlet oxygen (ˆˆ^1O_2ˆˆ) radicals among others; however their efficacy varies compared with reference antioxidants like glutathione or vitamin C.[1] Despite broad claims regarding health benefits—including anti-inflammatory effects and potential neuroprotective actions—the evidence base remains limited largely to preclinical models. Human safety data are sparse; there are significant concerns about product purity/contamination when used therapeutically outside regulated settings.[4] In summary: **fulvic acid-mediated antioxidant activity describes an emergent property/function—not an individual molecular target suitable for classic pharmacological intervention.**

Other names

Potassium fulvatePotassium fulvic acidHumic substanceShilajit component

Not applicable