“A total of 28 metabolites were identified as biomarkers for ovariectomized-osteoporosis … F2a, taurocholic acid, LysoPC(15:0), l-carnitine, glucose, arginine, citric acid , corticosterone, ornithine, tryptophan, arachidonic acid, Cer(d18:0/18:0), glutamine, uric …, starch, and sucrose metabolism, arachidonic acid metabolism, alanine, aspartate and glutamate metabolism, arginine ….”