Laurotetanine ((+)-Laurotetanine) is an potent and orally active isoquinoline alkaloid and could be extracted from the roots of Litsea cubeba (Lour.) Pers. Laurotetanine exerts an anti-asthmatic effect by inhibition of IgE, histamine, and inflammatory reactions via down-regulating MUC5AC and NF-κB signaling pathways.

N-acetyl-L-methionine is nutritionally and metabolically equivalent to L-methionine.

1,2-dimyristoyl-sn-glycerol is able to increase AChE activity by 35-40% at concentrations of 25 micrograms/ml in the parasite S. mansoni..