Alanine amino acid ne wanda ba shi da mahimmanci wanda sel ke amfani dashi don gina sunadaran. Yana daya daga cikin amino acid guda 20 da ake amfani da su wajen yin sunadaran a jiki. Alanine kuma yana shiga cikin samar da glucose a cikin hanta kuma yana taka rawa wajen daidaita pH na jini. Tsarin sinadarai na alanine shine C3H7NO2, kuma nauyin kwayoyinsa shine 89.09 g/mol. An rarraba shi azaman amino acid aliphatic saboda yana da madaidaiciyar sarkar gefe mara ƙanshi.