Synephrine, or Citrus Aurantium, is a stimulant, similar to caffeine and ephedrine. Even though synephrine is a stimulant,  it does not have the negative side effects that one would experience by taking the now banned ephedra.

Synephrine main commonality with ephedra is that it is thought to have similar effects in terms of providing an energy boost, suppressing appetite and increasing metabolic rate leading to the burning or more calories. It is used in many weight loss supplements as a safer alternative to Ma Huang, ephedra,and ephedrine.

Synephrine is theorized to stimulate fat metabolism without the negative cardiovascular side effects experienced by some people with Ephedra.

As stated above, synephrine is a chief ingredient in many popular fat/weight loss formulas on the market today. Claims for this ingredient include “increased fat burning”, “increased energy”, “increased metabolism and thermogenesis”, and “increased fat/weight loss”.

Synepherine (Citrus Aurantium) is a terrific fat burner. There are some great fat burners that use this ingredient. The top 3 fat burners with synephrine are:

1.      Fenterdren
2.      Fenphedra
3.      Fentraphen