American Health, Ester-C Tangerine, 1000 mg, 21 CountProduct Description Ester C has immune health covered it supports circulation is beneficial to and connective tissues, helps reduce the premature aging of and forms the basis for healthy skin . Ester C aids in the nutritional absorption of iron and works with other nutrients to promote overall health. Along with essential vitamins, such as B 6 and B 12 to support energy metabolism and vital electrolytes to aid in metabolic hydration. Product Benefits