L Lysine is an essential amino acid; therefore it must be obtained from the diet as the body cannot produce it on its own. L Lysine is an essential building block for all protein in the body. L Lysine supplementation has been shown to increase the absorption of calcium. Lysine also works with other essential amino acids to maintain the body’s store of nitrogen. STORAGE INSTRUCTIONS Store in a cool and dry place. NOTE! Do not exceed recommended dose. Supplements are not intended to replace a varied diet. Keep out of reach of children. Store in a cool dry place. See best before date on packaging. If you are pregnant, nursing, have a diagnosed illness or are using prescription medication, consult your doctor before using any supplement.