A vitamin is a chemical compound that is needed in small amounts for the human body to work correctly. ... For example, citrus fruits such as oranges and lemons contain vitamin C. The term was coined in 1912 by biochemist Casimir Funk, who isolated a complex of micronutrients and proposed the complex be named vitamine.
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A vitamin is a chemical compound that is needed in small amounts for the human body to work correctly. ... For example, citrus fruits such as oranges and lemons contain vitamin C. The term was coined in 1912 by biochemist Casimir Funk, who isolated a complex of micronutrients and proposed the complex be named vitamine.