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.
2. (Biology) an early type of animal or plant from which a later, usually dissimilar, type has evolved. 3. a person or thing regarded as a forerunner of a later person or thing: the ancestor of the modern camera. [C13: from Old French ancestre, from Late Latin antecÄssor one who goes before, from Latin antecÄdere; see antecede]