The Best just got better! The finest all natural Liposomal Vitmain C- NO preservatives EVER. Increase immune response – increase infection fighting – lowering of cortisol – mental clarity – increase nutrient absorption . These are just a few benefits from taking Liposomal Vitmian C regularly. Ultimate C is easily digested, absorbed, and used by the body. Adding this to your supplements can really give you an edge. Consuming with other supplements and food can help the absorption of those nutrients. Ultimate Liposomal Vitmain C requires refrigeration.