Definition of evening primrose oil in English:

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evening primrose oil

noun

[mass noun]
An oil extracted from the seeds of the evening primrose. It contains gamma-linolenic acid and is used in complementary and alternative medicine, especially in the treatment of premenstrual syndrome: at night I take evening primrose oil, vitamin E, and St John’s wort
More example sentences
  • Further studies are warranted to examine the possible therapeutic effects of evening primrose oil for hot flashes.
  • She recommends taking 3 to 4 g of evening primrose oil daily.
  • The most investigated source of essential fatty acid has been evening primrose oil, which contains 9% linolenic acid.
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