Swanson Health Products is an American nutritional supplement company with a history dating back to 1969 in Fargo, North Dakota, where it was founded by Leland Swanson Sr. From its early years, the company focused on providing vitamins and natural health products, gradually developing into one of the most recognizable names in the U.S. supplement industry.

Swanson's philosophy combines quality, a science-focused approach, and accessible nutritional supplementation. Over the decades, the company has developed an extensive product portfolio designed to address a wide variety of everyday nutritional and wellness needs.

Particular emphasis is placed on quality control of both ingredients and finished products. According to Swanson, ingredients are tested at multiple stages of the production process, while finished products are inspected by dedicated Quality Control specialists. Swanson products are also tested in accordance with FDA requirements and manufactured in facilities operating according to Good Manufacturing Practices (GMP) standards.

The company also utilizes independent third-party laboratory testing to assess factors such as purity and ingredient potency. Swanson additionally participates in voluntary third-party GMP certification programs as part of its broader quality assurance process.

The Swanson portfolio includes hundreds of options across categories such as vitamins, minerals, probiotics, herbal extracts, amino acids, fatty acids, antioxidants, and specialized nutritional formulas. Its extensive selection is designed to cover needs ranging from basic daily supplementation to more targeted wellness support.

With more than five decades of experience, a strong focus on quality control, and one of the broadest supplement portfolios available, Swanson has established a highly recognizable presence within the international nutrition and wellness market.