Also found in: Medical, Encyclopedia, Wikipedia.


One of two or more related chemical substances that fulfill the same specific vitamin function.

vi′ta·mer′ic (-mĕr′ĭk) adj.


(Chemistry) chem a chemical compound which exhibits vitamin activity
References in periodicals archive ?
A vitamer of a specific vitamin is a substance that has vitamin activity or functionality.
Supplemental folic acid and total folate intakes were strongly, positively associated with circulating total folate and all vitamer levels.
A readily bioavailable folate vitamer, Metafolin is easily absorbed by the human body to ensure adequate uptake of the vital vitamin.
39) This is in contrast to alpha-tocopherol's negative link to cancer, marked by either no effect or mitigation of tocotrienol's functions; this E vitamer has also been associated with an increased risk of prostate cancer.
Vitamer levels, stress Response, Enzyme activity and Gene regulation of Arabidopsis Lines mutant in the pyridoxine/pyridoxamine 5'phosphate oxidase (PDX3) and the pyridoxal kinase (SOS4) gene involed in the vitamin B6 salvage pathway.
6 put on shelves a food supplement named Natural Capillary Protector, manufactured by Vitamer.
A vitamer, a compound of a specific vitamin, is a substance that has vitamin activity or functionality.
Newly elected or re-elected to the 22-member board are suppliers Jane Drinkwalter, Vitamer Laboratories; Harvey Kamil, NBTY; John Haydock, Burt's Bees; Carilyn Anderson, Carlson Labs; and Peter Zambetti, Capsugel.
Vitamin B6 occurs as three vitamer forms based on the pyridine ring: pyridoxine is the most stable and found especially in plants, while pyridoxal and pyridoxamine are found mainly in animals; each vitamer can occur as a phosphorylated form.
Horizon Organic Dairy, Small Planet Foods, Sunbelt Sales & Marketing, Tree of Life, and Vitamer, a Division of Anabolic Laboratories; Supporters -- Citizens for Health, National Nutritional Foods Association, and the Organic Trade Association.
For example, Erin Silva, MS, RD, registered dietitian and technical marketing manager, Vitamer Labs, Irvine, CA, says, "Manufacturers need to keep current with the trends--but at the same time, invest only in science-based products.
Concentrations and percentage distributions for each thiamine vitamer are listed in Table 2.