+**B15** is a designation historically used for [Pangamic Acid](/wiki/Pangamic_Acid), once considered a potential [Vitamin](/wiki/Vitamin). Though not recognized as an essential nutrient today, this compound was studied for its purported metabolic benefits.
+## See also
+- [Nutrient](/wiki/Nutrient)
+- [Supplement](/wiki/Supplement)
+- [Metabolism](/wiki/Metabolism)
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