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Types of Evening Primrose Oil: Forms & Bioavailability

This content is for informational purposes only and does not constitute medical advice. Consult your healthcare provider before starting any supplement. Full disclaimer

Forms Comparison

FormBioavailabilityBest For
Softgel Capsules (cold-pressed oil)HighStandard supplementation — convenient and most commonly used form; look for cold-pressed to preserve GLA content
Liquid OilHighFlexible dosing or topical use — can be taken orally or applied to skin; requires refrigeration after opening

Softgel Capsules (cold-pressed oil)

Bioavailability: High. Best for: Standard supplementation — convenient and most commonly used form; look for cold-pressed to preserve GLA content.

Liquid Oil

Bioavailability: High. Best for: Flexible dosing or topical use — can be taken orally or applied to skin; requires refrigeration after opening.

References

  1. (). Vitamin E and evening primrose oil for management of cyclical mastalgia: a randomized pilot study. Alternative Medicine Review.
  2. (). Is evening primrose oil of value in the treatment of premenstrual syndrome?. Controlled Clinical Trials. DOI