Lactoferrin is secreted by mammals and displays extensive biological effects including boosting the cold tolerance of a well-applied probiotic strain.

Glutarylcarnitine (O-glutaroyl-L-carnitine) is a diagnostic metabolite for malonic aciduria and glutaric aciduria type I monitored in most tandem mass spectrometry newborn screening programmes.

D-Mannose is a carbohydrate which plays an important role in human metabolism especially in the glycosylation of specific proteins.