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Jarrow Formulas Evening Primrose
SCIENTIFIC SCORE
Questionable
Based on 6 Researches
6
USERS' SCORE
Good
Based on 86 Reviews
8.9
Supplement Facts
Serving Size:  1 Softgel
Amount Per Serving
%DV
Calories
15
 
Total Fat
1.5 g
2%‡
Evening Primrose Seed Oil (Oenothera biennis)
1,300 mg
GLA (Gamma-Linolenic Acid)
130 mg

Top Medical Research Studies

7
Evening primrose shows promise
The effect of oral evening primrose oil on menopausal hot flashes: a randomized clinical trial.
Indicates potential treatment benefits
We explored the effects of evening primrose oil on menopausal hot flashes in a 6-week clinical trial involving 56 women aged 45-59. Participants received either evening primrose or a placebo and reported their hot flash experiences using a specific questionnaire.

While both groups showed improvement, evening primrose oil notably reduced the severity of hot flashes compared to placebo. Specific improvements were also found in social interactions and sexuality for those taking evening primrose, making it a promising option for managing hot flash symptoms.
Read More
4
Evening primrose oil lacks efficacy
Evening Primrose Oil for Menopause Hot Flashes: Systematic Review and Meta-Analysis.
Low relevance for hot flash treatment
We explored the effectiveness of evening primrose oil (EPO) as a treatment for hot flashes in menopausal women. Following rigorous systematic reviews and randomized trials, we discovered that while EPO showed some reduction in hot flash severity after less than six months, it did not significantly improve the frequency or duration of these symptoms compared to a placebo. Some participants did report mild nausea and headache. Ultimately, the evidence remains inconclusive, leaving us hopeful for further studies on EPO's potential benefits.
Read More
3
Evening primrose oil shows limited benefit
A comparative study on the effect of "black cohosh" and "evening primrose oil" on menopausal hot flashes.
Low relevance for hot flash treatment
We looked into how evening primrose oil (EPO) affects hot flashes in postmenopausal women. In our study, 80 women were divided into two groups; one received EPO while the other took black cohosh over 8 weeks. Both groups reported reduced severity of hot flashes and improved quality of life. However, the black cohosh group saw a significant decrease in the number of hot flashes, while EPO did not show significant improvements. This suggests that while EPO may help alleviate symptoms, black cohosh appears to be more effective overall.
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Most Useful Reviews

10
Life restored
Bye, bye hot flashes! Since starting this product alongside magnesium, I haven't experienced a hot flash. My energy levels have improved, I'm sleeping better, and my focus is clearer. This product has truly helped me regain my life during peri-menopause.
Read More
9.5
Hot flash reduction
Thank the hormone Goddesses for Evening Primrose! After incorporating this with Black Cohosh for my early menopause hot flashes, I realised within three days that the symptoms had decreased by 95%. This combo returned my nights to peace and significantly reduced those annoying hot flashes!
Read More
9.5
Eases climacteric symptoms
I believe evening primrose oil is essential for managing PMS, pregnancy planning, and menopause. This oil is rich in omega-6 fatty acids, helping to alleviate PMS symptoms. It’s particularly beneficial during the climacteric period, where it significantly reduces hot flashes, improves mood, and eases the transition into menopause. Furthermore, it aids in childbirth by promoting cervical opening and facilitating delivery. However, caution is advised for those conceiving, as the body can be highly responsive to this oil.
Read More

Medical Researches

SCIENTIFIC SCORE
Questionable
Based on 6 Researches
6
  • All Researches
9
Evening primrose oil reduces hot flashes
Improvement in menopausal symptoms with a nutritional product containing evening primrose oil, hop extract, saffron, tryptophan, vitamins B6, D3, K2, B12, and B9.
Significant reduction in symptoms
We investigated how evening primrose oil, as part of the Exelvit Menopause® nutritional product, affects menopausal symptoms, including hot flashes. In a study of 156 menopausal women, participants took the product daily for 12 weeks.

The results showed a significant reduction in hot flashes by 48.15%, along with improvements in other symptoms like sleep disturbances and anxiety. This evidence suggests that evening primrose oil may be a beneficial option for managing menopausal discomfort.
Read More
9
Evening primrose oil aids menopausal symptoms
Efficacy and Safety of Nutraceutical on Menopausal Symptoms in Post-Menopausal Women: A Randomized, Double-Blind, Placebo-Controlled Clinical Trial.
Study shows significant benefits.
We examined the effects of a proprietary blend of herbs, including evening primrose oil, on menopausal symptoms in post-menopausal women. Using a randomized, double-blind, placebo-controlled trial design, 101 women participated in the study over 12 weeks. Our findings revealed significant reductions in hot flashes, sweating, sleep issues, and mood disturbances in the treatment group compared to the placebo. While hormone levels showed no significant change, improvements in health indicators were noted. Overall, this combination of four herbs appears to effectively support women through their menopausal transition.
Read More
7
Evening primrose shows promise
The effect of oral evening primrose oil on menopausal hot flashes: a randomized clinical trial.
Indicates potential treatment benefits
We explored the effects of evening primrose oil on menopausal hot flashes in a 6-week clinical trial involving 56 women aged 45-59. Participants received either evening primrose or a placebo and reported their hot flash experiences using a specific questionnaire.

While both groups showed improvement, evening primrose oil notably reduced the severity of hot flashes compared to placebo. Specific improvements were also found in social interactions and sexuality for those taking evening primrose, making it a promising option for managing hot flash symptoms.
Read More
4
Evening primrose oil lacks efficacy
Evening Primrose Oil for Menopause Hot Flashes: Systematic Review and Meta-Analysis.
Low relevance for hot flash treatment
We explored the effectiveness of evening primrose oil (EPO) as a treatment for hot flashes in menopausal women. Following rigorous systematic reviews and randomized trials, we discovered that while EPO showed some reduction in hot flash severity after less than six months, it did not significantly improve the frequency or duration of these symptoms compared to a placebo. Some participants did report mild nausea and headache. Ultimately, the evidence remains inconclusive, leaving us hopeful for further studies on EPO's potential benefits.
Read More
4
Mixed evidence for evening primrose oil
The effect of Oenothera biennis (Evening primrose) oil on inflammatory diseases: a systematic review of clinical trials.
Relevance score indicates limited significance
We explored the effects of evening primrose oil (EPO), derived from Oenothera biennis, on various inflammatory conditions through a systematic review of randomized controlled trials. While we found some evidence supporting EPO's benefits for certain disorders like rheumatoid arthritis and menopausal hot flashes, mixed results were common and many conditions showed no significant improvement.

The overall findings highlighted a lack of strong recommendations for EPO due to variations in study results and a need for more high-quality research to clarify its effectiveness in managing inflammatory symptoms.
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User Reviews

USERS' SCORE
Good
Based on 86 Reviews
8.9
  • All Reviews
  • Positive Reviews
  • Negative Reviews
10
Life restored
Bye, bye hot flashes! Since starting this product alongside magnesium, I haven't experienced a hot flash. My energy levels have improved, I'm sleeping better, and my focus is clearer. This product has truly helped me regain my life during peri-menopause.
9.5
Hot flash reduction
Thank the hormone Goddesses for Evening Primrose! After incorporating this with Black Cohosh for my early menopause hot flashes, I realised within three days that the symptoms had decreased by 95%. This combo returned my nights to peace and significantly reduced those annoying hot flashes!
Read More
9.5
Eases climacteric symptoms
I believe evening primrose oil is essential for managing PMS, pregnancy planning, and menopause. This oil is rich in omega-6 fatty acids, helping to alleviate PMS symptoms. It’s particularly beneficial during the climacteric period, where it significantly reduces hot flashes, improves mood, and eases the transition into menopause. Furthermore, it aids in childbirth by promoting cervical opening and facilitating delivery. However, caution is advised for those conceiving, as the body can be highly responsive to this oil.
Read More
9.5
Maintains wellness
Evening primrose oil assists me in combating hot flashes during menopause and helps stabilise my hormones while improving my skin condition. I take it in cycles, taking breaks in between, which helps maintain my overall wellness. The capsules are comparable in size to Omega 3 capsules and of decent quality.
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10
Hot flashes alleviated
Combined with Vitex to end my hot flashes, this has helped with hormonal symptoms, especially when paired with another supplement known as "Chaste Tree" or "Vitex." After my annual check-up, I began using Evening Primrose to address painful, cystic breasts instead of merely going for a mammogram. I figured my hormones could use support. Within a short time, the symptoms disappeared. I began experiencing daily and nightly hot flashes again, thinking I'd moved past them. After researching, I found that many women had success with Primrose oil and Vitex. Following the dosage instructions, I incorporated Vitex and stopped having hot flashes after a week. It's also important to maintain a balance of Omega 3s in your diet for overall health.
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