Swanson Vitamins, a well-known health product brand in the United States, was founded in 1969 and is located in North Dakota. After nearly 50 years of development, Swanson has become one of the largest health product manufacturers in the United States, specializing in pure natural health products. Its health products have 19 series and over 2000 types, with vitamin and mineral products reaching the USP (US Pharmacopoeia) level quality, This is the highest quality level of health products, and only a few health product manufacturers in the United States have obtained this level!
