Sodium:sulfate symporter that mediates sulfate reabsorption in the kidney and small intestine (PubMed:11161786, PubMed:38552027, PubMed:39576865). Can also mediate the transport of selenate and thiosulfate (By similarity). {ECO:0000250|UniProtKB:Q07782, ECO:0000269|PubMed:11161786, ECO:0000269|PubMed:38552027, ECO:0000269|PubMed:39576865}. This is the function of ENSG00000081800 (SLC13A1, solute carrier family 13 member 1).