Difference between ephedra and ephedrine?
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There are several different species of ephedra.
Ephedra sinica (Ma Huang) <-high alkaloid content in extracts
Sida Cordifolia <- less alkaloid content
Ephedra Nevadensis <- little to no alkaloid content
(Neither of the 3 is superior or inferior to the other as long as Ephedrine Alkaloids are present. Avoid Ephedra Nevadensis or Ephedra Extract products that have no ephedrine alkaloids. So in order to get 25mg of ephedrine alkaloids from Ephedra Sinica, 313mg Ephedra Extract of 8% concentration is needed [8% x 313mg = 25.04mg]. To get the same 25mg of ephedrine alkaloids from a lesser alkaloid content herb like Sida Cordifolia, 418mg at 6% concentration is needed [6% x 418mg = 25.08mg]. Using extraction methods, 8%+ alkaloids concentrations can be achieved with Sida Cordifolia and 10%+ with Ephedra Sinica. Comparing two pills with 25mg ephedrine alkaloids, one with Ma Huang 6% and the other with Sida Cordifolia 8%, the pill at 6% concentration will be larger. The higher the concentration, the smaller the pill will be. This means that the product with lower concentration will be in a slightly larger pill as more herb is required to yield the same amount of ephedrine alkaloids. Note also that Ephedra Sinica, Ma Huang or Sida Cordifolia could have varying concentration amounts and are dependent on the extraction process. So don’t go believing anyone telling you that Ma Huang is better than Sida Cordifolia or Ephedra. 25mg ephedrine alkaloids from Sida Cordifolia has the same strength as 25mg ephedrine alkaloids from Ma Huang or 25mg of the synthetic Ephedrine HCL).
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