Enables L-ascorbate:sodium symporter activity and L-ascorbic acid transmembrane transporter activity. Involved in L-ascorbic acid transmembrane transport. Located in basal plasma membrane and cytoplasm. Is expressed in adrenal gland; central nervous system; metanephros; and retina. Orthologous to human SLC23A2 (solute carrier family 23 member 2). [provided by Alliance of Genome Resources, Apr 2022]