Solgar's Ester-C® is a pioneering non-acidic form of Vitamin C with integrated bioflavonoid citrate complex, acerola, wild rose fruit, rutin and naturally occurring metabolites of vitamin C: L-threonate, L-lysonic and L-xylonic acid.

Metabolites help the vitamin get into the bloodstream faster, in larger quantities and with fewer losses, so Solgar's Ester-C® is absorbed about four times as much, activated twice as quickly and remains in circulation twice as much in relative to normal vitamin C.
In addition, Ester-C® metabolites help the vitamin to penetrate white blood cells more effectively. White blood cells, as they know, require high levels of vitamin C for their metabolism. Ester-C enhances the crucial role of white blood cells in the immune system.
Solgar's Ester-C® nutritional supplement is very useful for preventing colds.