Have you ever stumbled across an unfamiliar word when reading about vitamins and supplements? Health and wellness can be a complex adventure. Maybe a new product features ingredients you've never heard of. Or maybe you just need a reminder about a certain term. When a quick reference check is needed, visit our Natural Health Glossary for a brief definition (or a link to more detailed information in our Health Encyclopedia). Be sure to keep this helpful, easy-to-search resource one click away: bookmark it!
Damiana: (dam-ee-YA-na) see damiana encyclopedia entry
Dandelion: (DAN-duh-lion) see dandelion encyclopedia entry
Demineralization: (dee-min-er-all-ih-ZAY-shun) The loss of minerals from bones.
Devil's Claw: (devil’s claw) see devil's claw encyclopedia entry
DHA (docosahexaenoic acid): (doe-co-sah-heck-sah-NO-ick Ah-sid) An omega-3 fatty acid found primarily in cold-water fish. see encyclopedia entry
DHEA (dehydroepiandrosterone): (dee-high-drow-ep-ee-an-DROW-stare-own) A steroid hormone produced in the adrenal glands, it is converted by the body into other hormones. see DHEA encyclopedia entry
Diastolic: (die-a-STALL-ick) Blood pressure during the relaxation phase of the heart beat. It is the second number given in a blood pressure reading.
Diosgenin: (die-OZ-jen-in) A compound found in Mexican wild yam root, similar to the female hormone progesterone in structure.
DNA (deoxyribonucleic acid): (dee-OX-see-rye-bo-new-clay-ick A-sid) The complex protein chemical that is the main carrier of genetic information in cells.
Dong Quai: (dong-kwhy) see dong quai encyclopedia entry
Double-blind study: (double-blind study) A method of protecting against experimental bias by ensuring that neither the test subjects nor the researchers know which subjects are receiving actual treatment and which are receiving placebo.
Duodenum: (do-ODD-in-um) The upper portion of the small intestine.
Echinacea: (eck-in-AY-sha) see echinacea encyclopedia entry
Elderberry: (ELLE-der-bear-ee) see elderberry encyclopedia entry
Electrolytes: (ih-LECK-trow-lights) Minerals that dissolve in water and are capable of carrying electrical charges.
Eleuthero: (ih-LOO-thuh-row) see eleuthero encyclopedia entry
Enteric-coated: (en-TARE-ick coated) A tablet or capsule that is coated so it is not dissolved in the stomach and arrives at the intestinal tract intact.
Enterolactone: (en-terra-LACK-tone) A mammalian lignan produced by intestinal microflora from precursors present in plant-based foods.
Enzyme: (EN-zime) A protein that speeds up chemical reactions in the body.
EPA (eicosapentaenoic acid): (eye-co-sah-PEN-tah-no-ick A-sid) An omega-3 fatty acid found primarily in cold-water fish. see EPA encyclopedia entry
Ephedra: (ih-FED-ra) see ephedra encyclopedia entry
Epinephrine: (ep-uh-NEF-rin) see Adrenaline.
Essential fatty acids (EFAs): (essential fatty acids) Fatty acids that are required by the body but cannot be manufactured in the body. They must be obtained from the diet.
Essential oils: (essential oils) Also known as volatile oils or essences. Complex mixtures of a variety of organic compounds that evaporate when exposed to air. They often give plants their distinct aromas.
Estrogen: (ESS-trow-jen) The primary female hormone, made by the ovaries and uterus.
Evening Primrose Oil: (evening primrose oil) see evening primose oil encyclopedia entry
Extract: (EK-strakt) A solution that contains the active compounds of a plant material or other substance.
Eyebright: (eyebright) see eyebright encyclopedia entry
Fat-soluble: (fat SOLL-yoo-ball) Describing any substance that dissolves in fat. Fat-soluble vitamins include A, E, D, and K.
Fennel: (FEN-ill) see fennel encyclopedia entry
Fenugreek: (FEN-yoo-greek) see fenugreek encyclopedia entry
Feverfew: (FEE-ver-few) see feverfew encyclopedia entry
Flavonoids: (FLAV-ah-noydz) A group of flavone-containing compounds that includes many plant pigments. These pigments may exert a variety of physiological effects in the body.
Flax/Flaxseed: (flaks) see flax/flaxseed encyclopedia entry
Folic Acid: (FOE-lick Ah-sid) see folic acid encyclopedia entry
Fo-Ti: (FOE-tee) see fo-ti encyclopedia entry
Free radicals: (free RAD-ick-allz) Highly reactive oxygen molecules that can destroy cellular compounds, damaging tissues.
Fructooligosaccharides (FOS): (FROOK-toe-all-ih-go-SACK-a-ridez ) Natural sugars that help nourish beneficial bacteria in the large intestine. see fructooligosaccharides encyclopedia entry
†Ratings based on results of the 2015 ConsumerLab.com Vitamin and Supplement Users Survey. More information at www.consumerlab.com/survey2015.
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