21st Century Healthcare L-Lysine 1000 Mg, 90 Count Tablets

Skin & Tissue Support. Dietary Supplement. Gluten Free. Non-GMO. Guaranteed Quality. Laboratory Tested. Trusted Quality for Over 30 Years. No added Sugar, Yeast, Preservatives or Artificial Flavors. Suitable for Vegans. L-Lysine is an essential amino acid which must be supplied from nutritional sources and is a building block of protein.