In Canada, ephedra is authorized by Health Canada for use only as a nasal decongestant. Nutritional supplements with ephedra can't contain stimulants, such as caffeine, that might heighten the effect of the ephedra. Also, they can't exceed 400 mg per dose or 1600 mg per day of ephedra, or 8 mg ephedrine per dose or 32 mg per day of ephedrine. Products with implied or unproven claims for weight loss, appetite suppression, body-building effects or increased energy are not permitted.
==used Used in Patent medecines==
* [[Ma Huang Tang]]
* [[Ge Gen Tang]]
* [[Xiao Qing Long Tang]]
* [[Wu Ji San]]
==Recommended Products==
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[[Category:Treatments]]
[[Category:herbal medicine]]