Ester-C? Effervescent Vitamin C Packets offer powerful nutrition in a delicious, natural tangerine flavored formula. Just take one packet daily with 4-6 fl. oz. of water and you are good to go! Unique Ester-C? increases levels of Vitamin C in the body ¨C getting into white blood cells, an important part of your immune system.* And, because Ester-C? absorbs into your system and stays there¡­you get 24-hour immune support¡­so once a day is all you need.*? Taken once a day, Ester-C? has your immune health covered.* It supports circulation, is beneficial to joints and connective tissues, helps reduce the premature aging of cells, and forms the basis for healthy skin .* Helping to neutralize free radicals, Ester-C? also 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, Ester-C? Effervescent Formula has got you covered.* Now more than ever, trust your immune health to Ester-C?.