Throughout the entire manufacturing process, NSP monitors the products' level of quality. This takes strict adherence to testing procedures, which requires a battery of costly, highly technical equipment. Government regulations do not require Nature's Sunshine to be so strict or to set such uncompromisingly high standards. They choose to manufacture to pharmaceutical standards, which guarantees the potency and purity you expect from a health product. Steps Taken by Quality Control 1.
Microscopes verify the identity of the powder on a cellular level.
Each lot is also compared to previous samples. Physical testing continues through a wide variety of tests, depending on the nature of the materials. Quality Control checks for foreign materials in the herb. Dirt, sand or other foreign inorganic material in the herb sample will not burn, and can be seen under the microscope. Screen Analysis ascertains the particle sizes of raw materials in order to ensure uniformity of capsule weights.