Evening primrose oiland Estrogen Support.
Evidence gradeC
ImpactSmall
Confidencelow
Imported rating. This grade comes from SuppCo and has not been independently reviewed. It describes research, not a product, and it is not medical advice.
The rating
- Direction
- Favourable
- Rated by
- SuppCo
- Observed
- 28 September 2026
Studies behind it
Comparison of the Effect of Fennel and Evening Primrose Oil on Menopausal Problems and Hormonal Levels: A Randomized Controlled TrialF. Ghavi · Iranian Journal of Nursing and Midwifery Research2023Impact of evening primrose oil consumption on psychological symptoms of postmenopausal women: a randomized double-blinded placebo-controlled clinical trial.S. Sharif · Menopause2019Evening primrose oil and treatment of premenstrual syndromeS. Khoo · Medical Journal of Australia1990