L-Lysine 1000mg 90 tablets provide a high strength daily Lysine supplement to help maintain healthy dietary balance of this essential amino acid. Lysine is an essential amino acid a building block of protein. We need lysine for a variety of functions but our bodies cannot make it ourselves. We have to get it from our diet, and supplements where needed. Lysine is often low in a vegetarian diet. Manufactured in the UK to GMP code of practice and supplied in innovative letterbox friendly and recyclable packaging. Ingredients L-Lysine Hydrochloride, Microcrystalline Cellulose, Anti-Caking Agent: Magnesium Stearate. P.when('A').execute(function(A) { A.on('a:expander:toggle_description:toggle:collapse', function(data) { window.scroll(0, data.expander.$expander[0].