Humic acid
A complex organic compound from soil and peat, humic acid is used in supplements for potential immune, gut, and mineral benefits, though human research is limited.
Humic acid, derived from decomposed plant and animal matter, is a major constituent of soil humus and is included in dietary supplements for proposed health benefits like immune system support and improved gut health. Human evidence is limited, and safety data are incomplete.
Most available evidence is from animal studies, in vitro experiments, or limited human trials; robust clinical research in humans is lacking.
May support immune system function
LimitedPreliminary research suggests humic acid might stimulate components of the immune system, potentially helping the body defend against infections, though quality human studies are sparse.
May possess antiviral properties
LimitedIn vitro and animal studies report broad-spectrum antiviral activity, including activity against herpes and influenza viruses, but evidence in humans is inadequate.
May benefit gut microbiota and gut barrier integrity
LimitedSome animal and small-scale human studies suggest humic acid supports beneficial gut bacteria and gut lining functions.
May enhance mineral absorption
LimitedThe chelation properties of humic acid may improve the absorption of certain minerals, as shown in laboratory and animal models, but proof in humans is lacking.
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