Lysine, or L-lysine, is an essential amino acid. That means it is necessary for human health, but the body can't manufacture it. You have to get lysine from food or supplements. Amino acids like lysine are the building blocks of protein. Lysine is important for proper growth, and it plays an essential role in the production of carnitine, a nutrient responsible for converting fatty acids into energy and helping to lower cholesterol. Lysine appears to help the body absorb calcium, and it plays an important role in the formation of collagen, a substance important for bones and connective tissues including skin, tendon, and cartilage. Some studies have found that taking lysine on a regular basis may help prevent outbreaks of cold sores and genital herpes. Lysine helps the body absorb calcium and decreases the amount of calcium that is lost in urine. Because calcium is crucial for bone health, some researchers think lysine may help prevent bone loss associated with osteoporosis. Serving Size: 1 Tablet Amount Per Serving % Daily Value L-Lysine (as hydrochloride) 1,000 mg* *Daily Value not established Other Ingredients: Cellulose, vegetable stearin, cellulose gum, magnesium stearate and silica. Our L-Lysine is a pure crystalline, free form amino acid. Contains No corn, yeast, wheat, gluten, milk, egg, sugar, starch, salt, artificial colors or preservatives. Suggested Use: As a dietary supplement, adults take one (1) tablet daily between meals. STORAGE: Keep tightly closed in a dry place. Do not expose to excessive heat. Keep out of reach of children. Quality and Potency Guaranteed.