Vitamin C helps in the proper production of collagen to ensure the proper functioning of blood vessels Vitamin C contributes to maintaining normal energy metabolism Vitamin C increases the absorption of iron The preparation contains 500 mg of vitamin C in the form of Ester-C in each tablet. It is a special form of vitamin C, soluble in both water and fat. In its composition, the preparation also contains citrus bioflavonoids, wild rose, routine and acerola. Ester-C is patented and contains active metabolites of vitamin C (L-threonic, L-lsonic and L-xylonic acid). Studies show that Ester-C is better tolerated by the human body than L-ascorbic acid. 1 In addition, it is almost twice (189%) better absorbed by cells of the human immune system – T lymphocytes, than other popular form of vitamin C – calcium ascorbate2. Solgar vitamin C tablets Ester-C 500 mg have a neutral pH of 6.7 (vitamin C is calcium buffered). This form of vitamin C is gastrointestinal friendly, even at higher doses. The product is hypoallergenic and suitable for vegetarians and vegans.