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.
Origin is the start, center or beginning of something or the place where a person comes from. An exmaple of origin is when an idea comes to you when you sleep. An example of origin is the ground where oil comes from. An example of origin is your ethnic background. origin. origin.