Swanson Vitamins have been committed to helping their customers stay healthy since 1969. They've built a company with a philosophy that revolves around everybody deserving health products that are both quality-driven and affordable. That's why they strive to offer only the top-quality products made with superior ingredients. They do this by controlling their products from concept to capsule, bringing you health products you can rely on. In addition to that, all finished products are inspected by their Quality Control specialists and tested for purity and potency by independent third-party labs to ensure each supplement contains exactly what's stated on the label.