Increase in circulating holotranscobalamin after oral administration of cyanocobalamin or hydroxocobalamin in healthy adults with low and normal cobalamin status

Stabler S(2013)Vitamin B12 deficiency N Engl J Med 368 149-160

Farquharson J(1976)The forms of vitamin B12 in foods Br J Nutr 36 127-136

Adams JF(1966)Hydroxocobalamin. VI. Comparison of intestinal absorption in man of large doses of hydroxocobalamin and cyanocobalamin Proc Soc Exp Biol Med 122 25-28

Weisberg H(1964)Metabolism of the vitamin B12-coenzyme in rats and man Ann N Y Acad Sci 112 871-903

Glass JGB(1971)Absorption of cyanocobalamin, coenzyme B12, methylcobalamin, and hydroxocobalamin at different dose levels Scand J Gastroenterol 6 249-252

Heinrich HC(2004)Holo-transcobalamin concentration and transcobalamin saturation reflect recent vitamin B12 absorption better than does serum vitamin B12 Clin Chem 50 1043-1049

Gabbe EE(2005)Non-radioactive vitamin B12 absorption test evaluated in controls and in patients with inherited malabsorption of vitamin B12 Clin Chem 51 2151-2155

Adams JF(2007)Plasma transcobalamin compared with plasma cobalamins for assessment of vitamin B12 absorption; optimization of a non-radioactive vitamin B12 absorption test (CobaSorb) Clin Chem Acta 376 150-154

Ross SK(2009)Increases in plasma holotranscobalamin can be used to assess vitamin B12 absorption in individuals with low plasma vitamin B12 J Nutr 139 2119-2123

Mervyn L(1961)The spectra and structure of the cobalamins Biochim Biophys Acta 46 191-192

Stabler S(2013)Vitamin B12 deficiency N Engl J Med 368 149-160

Farquharson J(1976)The forms of vitamin B12 in foods Br J Nutr 36 127-136

Adams JF(1966)Hydroxocobalamin. VI. Comparison of intestinal absorption in man of large doses of hydroxocobalamin and cyanocobalamin Proc Soc Exp Biol Med 122 25-28

Weisberg H(1964)Metabolism of the vitamin B12-coenzyme in rats and man Ann N Y Acad Sci 112 871-903

Glass JGB(1971)Absorption of cyanocobalamin, coenzyme B12, methylcobalamin, and hydroxocobalamin at different dose levels Scand J Gastroenterol 6 249-252

Heinrich HC(2004)Holo-transcobalamin concentration and transcobalamin saturation reflect recent vitamin B12 absorption better than does serum vitamin B12 Clin Chem 50 1043-1049

Gabbe EE(2005)Non-radioactive vitamin B12 absorption test evaluated in controls and in patients with inherited malabsorption of vitamin B12 Clin Chem 51 2151-2155

Adams JF(2007)Plasma transcobalamin compared with plasma cobalamins for assessment of vitamin B12 absorption; optimization of a non-radioactive vitamin B12 absorption test (CobaSorb) Clin Chem Acta 376 150-154

Ross SK(2009)Increases in plasma holotranscobalamin can be used to assess vitamin B12 absorption in individuals with low plasma vitamin B12 J Nutr 139 2119-2123

Mervyn L(1961)The spectra and structure of the cobalamins Biochim Biophys Acta 46 191-192