Includes ingestion, digestion, absorption, and metabolism. A labeling term for products produced under the authority of the Organic Foods Production Act, which regulates allowable soil conditions and restricts the use of irradiation, genetically-engineered organisms, pesticides, fertilizers, and additives in the production of foods. In the United States, drugs that do not require a prescription. Overage Excess potency that is manufactured into a dietary supplement to allow for disintegration so that the product maintains the potency level of its labeled unit amounts through the expiration date. P Peer review Analysis of research by a group of professionals of comparable knowledge and expertise in a specific scientific or medical field.
Pharmaceuticals See drugs.
The study of drugs and dietary supplements and their origin, nature, properties, and effects upon living organisms. Pharmacopoeia Authorized treatise on drugs or dietary supplement and their preparation, especially a book containing formulas and information that provides a standard for preparation and dispensation. Phytochemical Relating to the chemistry of plants, plant products, and plant processes. Phytomedicinals Medicines derived from plants. Placebo An inactive substance with no medicinal effects that sometimes is used in research control groups.