Nutricost L-Lysine (1000mg) 250 Servings, 500 Capsules, 500mg Per Capsule

Customers find the L-Lysine supplement effective, particularly for cold sores and mouth blisters, and appreciate its quality and value. The supplement is easy to swallow and helps maintain immune system health, with one customer noting it works well with exercise programs. The pill size receives mixed feedback - while some find the medium-sized capsules convenient, others consider them too large to swallow. The ingredients also draw mixed reactions, with some customers reporting it contains calcium carbonate while others say it's not pure L-Lysine as advertised.