
Description
"Evening Primrose" (Oenothera biennis) is a flowering plant native to North America, known for its bright yellow blooms and nutrient-dense seeds. Its oil provides gamma-linolenic acid (GLA) and linoleic acid, which support skin hydration and inflammatory balance. Evening primrose also plays a role in biochemical pathways that regulate hormonal modulation and vascular tone. Additionally, it contributes to metabolic processes tied to endocrine function. Widely incorporated in herbal traditions, it remains a significant botanical for skin health and physiological resilience.
Functions in the Body
Category
Deficiency Symptoms
There are no deficiency symptoms for evening primrose oil, as it is not an essential nutrient.
Synergists & Antagonists
Evening primrose oil may work synergistically with omega-3 fatty acids, such as those found in fish oil, to promote skin health and reduce inflammation. However, it may interact with blood-thinning medications like warfarin and aspirin, increasing the risk of bleeding.

Evening Primrose Oil
Warnings
Evening primrose oil may increase the risk of seizures in individuals with epilepsy and should be avoided by those taking anti-seizure medications. Possible side effects include stomach upset, diarrhea, headaches, and allergic reactions. Additionally, caution is advised for individuals taking blood-thinning or anticoagulant medications.
Food Sources
Evening primrose oil is derived from the seeds of the evening primrose plant.
Time Frame
Evening primrose oil can be taken anytime, with or without food, though it may be best consumed with a meal containing fat to improve absorption.
Depleted By
Factors such as alcohol, laxatives, immunosuppressants, hormone replacements, statins, and anti-cancer medications may impair the body's ability to effectively utilize fatty acids, including those in evening primrose oil.