Sta-Natural™ International takes extensive measures to ensure the quality of the products. One of those measures is using only the highest quality manufactures. Sta-Natural™ International brings nature and science together. Using only the highest quality ingredients and the highest standards in every step of the operation. Sta-Natural™ International uses only quality manufacturers. Each step of the operation is performed according to Good Manufacturing Practices (GMP) as outlined by the National Nutritional Foods Association (NNFA). Quality assurance (QA) monitors all stages of the operation to ensure adherence to state and federal regulations, as well as internal quality standards and specifications. Sta-Natural™ International uses only FDA regulated facilities to ensure the highest standards of nutritional manufacturers.