Immune Health Supplement: N-Acetyl-L-Cysteine is a dietary supplement that supports natural glutathione production and immune system function Liver & Lung Health Support: Offers antioxidant support for healthy liver and lung function, aiding the body's resilience and overall health Cellular Health Support: To support immune and cellular health, take 1 capsule 2–3 times per day or as directed by a health professional Antioxidant Support Supplement Formula: This immune support supplement is free from dairy, sugar, wheat, gluten, yeast, soy, corn, egg, fish, shellfish, salt, tree nuts, and GMOs About Natural Factors: Natural Factors is family-owned, Carbon Neutral, and 3rd Party certified with direct ownership of all manufacturing stages to ensure the highest quality supplements