Evening Primrose
[Also known as Evening Primrose Oil or Primrose]
Oenothera biennis and other Oenothera species; see GLA
Origin:
The seeds of a native American wildflower, containing 7 to 10 percent gamma-linolenic acid (GLA).Dosage:
Capsules, oil and softgel; generally five 500-mg capsules per day. For RA, 540 mg daily to 2.8 g daily in divided doses. Evening primrose oil may take up to six months to work.
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