Twinlab L-arginine / L-ornithine capsules are easier to swallow and assimilate. These capsules contain free form amino acids and contain no tablets binders, coatings or colorings. They are free of the most common allergens such as corn, yeast, rice, barley, wheat, lactose (milk sugar) and all milk, citrus, fish and egg products.There are no added flavorings, sugars, salt, artificial sweeteners, colorings, preservatives or salicylates. They are packaged in a glass bottle for maximum stability, quality and freshness.