For adults, the recommended dietary reference intake for vitamin C is 65 to 90 milligrams (mg) a day, and the upper limit is 2,000 mg a day. Although too much dietary vitamin C is unlikely to be harmful, megadoses of vitamin C supplements may cause: Diarrhea. Nausea. Vomiting.
originator - someone who creates new things. conceiver, mastermind. creator - a person who grows or makes or invents things. beginner, founder, founding father, father - a person who founds or establishes some institution; George Washington is the father of his country.
5. origin-the source of something's existence or from which it derives or is derived; the rumor had its origin in idle gossip; vegetable origins; mineral origin; origin in sensation. source - (technology) a process by which energy or a substance enters a system; a heat source; a source of carbon dioxide.râ¢iâ¢gin. 1. something from which anything arises or is derived; source. 2. rise or derivation from a particular source: the origin of a word. 3. the first stage of existence; beginning. 4. ancestry; parentage: of Scottish origin. 5. Anat. a. the point of derivation.