Origin: Derived from bitter orange and combined with hydrogen chloride
Overview: Synephrine HCL is the supplement form of synephrine, an alkaloid, occurring naturally in some plants and animals, and also in approved drugs products as its m-substituted analog known as neo-synephrine. It is considered to be a stimulant and nootropic.
It is marketed in the US, sometimes in combination with caffeine, as a weight-loss-promoting dietary supplement for oral consumption.
Common Dosage: 15 to 25 mg per serving