High-affinity transporter for the intake of thiamine (PubMed:10391222, PubMed:10542220, PubMed:21836059, PubMed:33008889, PubMed:35512554, PubMed:35724964). Mediates H(+)-dependent pyridoxine transport (PubMed:33008889, PubMed:35512554, PubMed:35724964). {ECO:0000269|PubMed:10391222, ECO:0000269|PubMed:10542220, ECO:0000269|PubMed:21836059, ECO:0000269|PubMed:33008889, ECO:0000269|PubMed:35512554, ECO:0000269|PubMed:35724964}. This is the function of SLC19A2 (solute carrier family 19 member 2, ENSG00000117479).