Which Vitamins Can Be Synthesized In The Body And How Are They Synthesized?
Which Vitamins Can Be Synthesized In The Body And How Are They Synthesized? Humans are able to synthesize certain vitamins to some extent. For example, vitamin D is produced when the skin is exposed to sunlight; niacin can be synthesized from the amino acid tryptophan; and vitamin K and biotin are synthesized by bacteria living