Homoeriodictyol, a naturally occurring, bitter-masking flavanone, as a promising agent to increase appetite and food intake. The flavanone homoeriodictyol can increase SGLT-1-mediated glucose uptake but decrease serotonin release in differentiated Caco-2 cells.In contrast to other polyphenols, the flavanon Homoeriodictyol promotes glucose uptake by 29.0 ± 3.83% at a concentration of 100 μM.

RG2833 (RGFP109), a brain-penetrant HDAC inhibitor, is with IC50 of 60 nM and 50 nM for HDAC1 and HDAC3, respectively.

2-Methyl-5-HT is a potent and selective 5-HT3 receptor agonist with anti-depressive-like effects.