Natural Medicine Glossary
Definitions of key terms in naturopathic medicine, herbal research, supplement science, and integrative health.
Adaptogen
A class of herbs and natural compounds believed to help the body resist physical, chemical, or biological stress. Common adaptogens include ashwagandha, rhodiola, and eleuthero. Evidence varies significantly by compound.
Alkaloid
A class of naturally occurring nitrogen-containing compounds produced by plants, fungi, and animals. Many alkaloids have potent biological activity. Examples include berberine, caffeine, and morphine.
Antioxidant
A compound that inhibits oxidation and neutralizes free radicals, potentially reducing oxidative stress and cellular damage. Examples include vitamin C, vitamin E, curcumin, and quercetin.