Advantra Z®
A proprietary Citrus aurantium extract made by Nutratech, Inc that’s standardized for synephrine. See Paul’s review, “Synephrine, Citrus Aurantium, Advantra Z™: Potent Fat Burner, Or Total Dud?” for more information.
Synephrine
A sympathomimetic compound derived from Citrus aurantium (“bitter orange”). Synephrine is chemically related to ephedrine, and used as a substitute in “ephedra-free” fat burners. It’s been claimed that synephrine is as effective as ephedrine, while producing fewer side effects, but the evidence for this is slim. Synephrine appears to be mildly effective for weight loss, but – as Paul notes in his...
Nitrous Malate
See Di-Arginine Malate.
Arginine Ethyl Ester HCl
A delivery form of L-arginine used in certain NO (nitric oxide) boosting bodybuilding supplements. “Ethyl ester technology” is claimed to enhance absorption and utilization, but there is no proof that this is true; or that arginine ethyl ester HCl is more effective than straight L-arginine, let alone traditional delivery forms such...
2-(3,4-dihydroxyphenyl)-3,5,7-trihydroxy-chromen-4-one
IUPAC name for Quercetin. May also be written as 2-(3,4-Dihydroxyphenyl)-3,5,7-trihydroxy-4H-1-benzopyran-4-one
3,3′,4′,5,7-pentahydroxyflavone
See Quercetin.