Safety of megavitamin therapy.

摘要: Carbon compounds that are needed in small amounts the diet because they not made body of vertebrates defined as vitamins. Excluded from this definition vitamins D, K, and niacin which can be synthesized by organism or, case vitamin hosts intestinal bacteria. Lack such result characteristic deficiency diseases. The therapeutic use (megavitamin intake) is based on spectacular effect diseases; however, evidence ingestion large beyond “Recommended Daily Allowances” (RDA) beneficial within basic concept nutrition. Vitamins, like many substances, may toxic when taken quantities, especially fat-soluble vitamins, “more better” a common misconception. Vitamin supplements suggested only unusual cases patients having inadequate intake, disturbed absorption (genetic or otherwise), increased tissue requirements. A well-balanced includes wide variety foods each four food groups adequate for supply well other nutrients, healthy people. This paper will review some recent findings regarding toxicity mechanisms toxicity.