Translations:Vitamin/60/en
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Naming
| Previous name | Chemical name | Reason for name change |
|---|---|---|
| Vitamin B4 | Adenine | DNA metabolite; synthesized in body |
| Vitamin B8 | Adenylic acid | DNA metabolite; synthesized in body |
| Vitamin BT | Carnitine | Synthesized in body |
| Vitamin F | Essential fatty acids | Needed in large quantities (does not fit the definition of a vitamin). |
| Vitamin G | Riboflavin | Reclassified as Vitamin B2 |
| Vitamin H | Biotin | Reclassified as Vitamin B7 |
| Vitamin J | Catechol, Flavin | Catechol nonessential; flavin reclassified as Vitamin B2 |
| Vitamin L1 | Anthranilic acid | Nonessential |
| Vitamin L2 | 5′-Methylthioadenosine | RNA metabolite; synthesized in body |
| Vitamin M or Bc | Folate | Reclassified as Vitamin B9 |
| Vitamin P | Flavonoids | Many compounds, not proven essential |
| Vitamin PP | Niacin | Reclassified as Vitamin B3 |
| Vitamin S | Salicylic acid | Nonessential |
| Vitamin U | S-Methylmethionine | Protein metabolite; synthesized in body |