L-Lysine is an essential amino acidwhich means that it cannot be manufactured by the body.; It must be obtained through the diet or by supplementation.; Lysine is one of the most well known amino acids and is an essential component of proteins.Do Not Eat Freshness Packet.; Keep in Bottle.As a dietary supplementtake 1 tablet on an empty stomach 1 to 2 times dailyas needed.; Consider taking this product in combination with NOW; L-ProlineZinc and AlliBiotic CF.Cellulose ;Croscarmellose SodiumSilicaMagnesium Stearate (vegetable source)Stearic Acid (vegetable source) ;and Vegetable Coating.