Nomenclature of re confidential vitamins

Previous name	Name of chemicals	Causes of changing name
Vitamin B4	Adenine	DNA metabolite; synthesized in body
Vitamin B8	Adenylic acid	DNA metabolite; synthesized in body
Vitamin F	Essential fatty acids	Needed in large quantities (does
Vitamin G	Riboflavin	not fit the definition of a vitamin).
Vitamin H	Biotin	Reclassified as Vitamin B2
Vitamin J	Catechol, Flavin	Reclassified as Vitamin B7
Vitamin L1	Anthranilic acid	Catechol nonessential; flavin reclassified as B2
Vitamin L2	Adenylthiomethylpentose	Non essential
Vitamin M	Folic acid	RNA metabolite; synthesized in body
Vitamin O	Carnitine	Reclassified as Vitamin B9
Vitamin P	Flavonoids	Synthesized in body
Vitamin PP	Niacin	No longer classified as a vitamin
Vitamin S	Salicylic acid	Reclassified as Vitamin B3
Vitamin U	S-Methylmethionine	Proposed inclusion of salicylate as an essential micronutrient