Ephedra-free weight loss dietary supplements containing bitter orange (Citrus aurantium), a botanical source of the adrenergic amines synephrine and. Synephrine is the best alternative to ephedrine and ephedra available. Synephrine is chemically very similar to ephedrine and produces the same effects as. synephrine, Jan '06(p5), Oct '04(p57). synephrine, ephedra ban, Jan '06(p5). Synercid (quinupristin; dalfopristin), Nov '07(p61), Nov '04(p64), Nov '99(p64). Unlike ephedrine, synephrine has little effect on other receptors, which are responsible for elevating blood pressure, dry mouth, nervousness and other. Within 23 min, nine ephedrine compounds and synephrine were separated at.. Chemical Structures of ephedrine alkaloids and Synephrine (or Citrus aurantium, bitter orange): Physiological effect is similar to the banned supplement ephedra. Synephrine increases metabolic rate and. Synephrine, found in citrus aurantium (Bitter Orange), is rapidly filling this gap and is widely used in products.9 Synephrine is an. Both synephrine and ephedra are powerful central nervous system stimulants, which release a small amount of adrenaline. However, synephrine acts only
on a. Citrus aurantium contains a compound called synephrine that, like ephedra, stimulates the central nervous system and may boost metabolism.. Despite little supporting evidence, ephedra-free products are portrayed almost uniformly as a safer alternative to ephedra. Synephrine (also referred to as. Purpose: Ephedra-free weight loss dietary supplements containing bitter orange (Citrus aurantium), a botanical source of the adrenergic amines synephrine. Manufacturers are isolating and concentrating the synephrine content. Key Words: Citrus aurantium; bitter orange; synephrine; ephedra substitute; weight. 7 Oct 2005. The law prohibits high school athletes from taking three nutritional supplements " synephrine, ephedra and DHEA.. Synephrine is marketed as an alternative in many ephedra free products. Synephrine may not be safe in high doses due to its effect on the heart.. Synephrine is used in many weight-loss products that are marketed as and is seen as an alternative to that substance, which was restricted Synephrine- Chemically similar to ephedra, used in ephedra free products, not yet pulled off the market T: Thermalean- Synephrine Thermoburn- Synephrine. Synephrine is a stimulant that has been added to thermogenics to replace ephedra. It is derived from the bitter orange plant. Synephrine is similar to. lated products and bitter orange, which is a source of the stimulant. synephrine. METHODS. In order to identify brands marketed as ephedra-free the Internet. Since