good quality, competitive price, first class service Choline Dihydrogen Citrate, choline’s citrate (with the choline assay 35%), has no side effect on ... and its side effect to people is low, choline dihydrogen citrate has gradually replaced choline chloride and choline bitartrate. The pure ... powder, with the quality reaching NF12 standard. 98% Choline Dihydrogen Citrate as nutritional additives