Pure Encapsulations l-Lysine Supports Immune Function Maintains healthy arginine production and supports the body's natural defenses. L-Lysine, an amino acid, provides nutritional support for the body’s natural defenses. L-Lysine is particularly helpful in maintaining healthy gum and lip tissue. Key Benefits and Features: Ages 18 and up Healthy immune function support Supports the body’s natural immune defenses Promotes healthy gum and lip tissue Made with high-quality vegan ingredients backed by verifiable science Ingredients Serving Size: 1 Vegetarian Capsule Amount/Serving L-Lysine HCI (free-form) 500 mg Other Ingredients: Vegetarian capsule (cellulose, water), and ascorbyl palmitate. Does Not Contain: Wheat, soy, dairy, eggs, artificial colors, artificial sweeteners, coatings, shellacs, GMOs, tree nuts, peanuts, sesame, unnecessary binders, fillers, preservatives, magnesium stearate, gluten, trans fat, and hydrogenated oils. Gluten Free, Non-GMO, Vegan, Vegetarian, Hypoallergenic Suggested Use As a dietary supplement, take 1 capsule, 2 times daily, between meals, or as directed by a health professional. Warning: If you are pregnant or lactating, have any health conditions, or are taking any medication, consult your health professional before use. Storage: Store in a cool, dry place. More Info. l-Lysine is produced from the fermentation of grain Vitamin C (ascorbyl palmitate) is derived from corn dextrose fermentation and palm oil