L-Lysine is an amino acid that has been found to support the reduction in severity of cold sores and may also help aid healing afterwards. Lysine is the pre-cursor to Carnitine which can promote could cardiovascular health.
Lysine is an essential amino acid obtained by the hydrolysis of proteins and required by the body for optimum growth. It is one of several essential amino acids needed in the diet; the human body cannot synthesize it from simpler metabolites. It is classified as one of the nine "essential" amino acids because you need to get it from outside sources such as foods or supplements -- your body can`t make it on its own.
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