Glycerophosphodiester transporter that mediates uptake of both glycerophosphoinositol (GroPIns) and glycerophosphocholine (GroPCho) as sources of the nutrients inositol and phosphate (PubMed:9691030, PubMed:12912892, PubMed:16141200). sn-glycerol 3-phosphocholine(out) = sn-glycerol 3-phosphocholine(in) sn-glycero-3-phospho-1D-myo-inositol(out) = sn-glycero-3-phospho-1D-myo-inositol(in) Both inositol and phosphate regulate GIT1 transcription and expression is positively regulated by the transcription factor PHO4 (PubMed:12912892). Impairs the uptake of glycerophosphoinositol (GroPIns) (PubMed:9691030). Impairs also the uptake of glycerophosphocholine (GroPCho) (PubMed:9691030). Belongs to the major facilitator superfamily. Sugar transporter (TC 2.A.1.1) family.