Last update
5/23/2026

Overview

SCIENTIFIC SCORE
Questionable
Based on 3 Researches
6.7
USERS' SCORE
Moderately Good
Based on 16 Reviews
7.8
Supplement Facts
Serving Size: 1 Softgel
Amount Per Serving
%DV
Calories
15
 
Total Fat
1.5 g
2%**
Polyunsaturated Fat
1 g
***
Evening Primrose Oil (Seed) providing:
1300 mg
***
Linoleic Acid
949 mg
***
Gamma-Linolenic Acid
117 mg
***
📅 Last updated:

Top Medical Research Studies

8
Evening primrose oil reduces LDL cholesterol
We examined the effects of evening primrose oil, high in gammalinolenic acid, on cholesterol levels in nineteen patients with high cholesterol. This study used a rigorous crossover design where participants received both the evening primrose oil and a placebo safflower oil over 16 weeks.

During the evening primrose oil treatment, we noticed a significant reduction in low-density lipoprotein (LDL) cholesterol levels and apolipoprotein B in patients without hypertriglyceridemia. These findings suggest that evening primrose oil can be beneficial for individuals struggling with high cholesterol.
Read More
8
Gamma-linolenic acid reduces cholesterol
We explored how evening primrose oil (EPO) affects cholesterol levels by comparing its effects with safflower oil and olive oil in male rats on high-cholesterol diets.

Our findings revealed that EPO was more effective at lowering cholesterol than safflower oil, particularly in the initial two weeks. Even when the phytosterol content was equalized, EPO continued to show better results.

This suggests that gamma-linolenic acid in EPO has a notable cholesterol-lowering effect, which may be significant for potential applications in dietary management.
Read More
4
Evening primrose oil and HDL effects
We investigated the impact of evening primrose oil on cholesterol levels using New Zealand White rabbits. A noteworthy increase in high-density lipoprotein (HDL) cholesterol was observed after four weeks of supplementation, which persisted even two weeks after stopping the oil.

However, overall plasma cholesterol and triglycerides remained unchanged. We saw significant alterations in HDL subfractions, with an increase in HDL2b and HDL3c. These results indicate that n-6 fatty acid supplementation could help prevent atherosclerosis in the long run.
Read More

Most Useful Reviews

9
Improved hair and health
4 people found this helpful
Excellent! I took this on recommendation, and frankly, the quality is excellent. The ingredients benefit both myself and my hair. Honestly, I didn’t notice much during my first period, and the taste is acceptable. It’s suitable for those aged thirty and above. It contains omega, which lowers cholesterol, and the packaging is secure. The benefits are noticeable, even with shipping.
Read More
8
Essential daily supplement
3 people found this helpful
An essential product that everyone needs. Solgar has maintained excellent drug concentrations in convenient capsules. It effectively lowers blood cholesterol levels and influences various bodily functions significantly. This product is crucial for overall health.
Read More
9
Hearty benefits
1 people found this helpful
I purchased this supplement as an alternative for regular omega and fish substitutes. It supports intestinal health, strengthens bones, joints, muscles, teeth, nails, and my hair, while aiding skin regeneration, normalising hormones, and improving sleep. It provides exceptional benefits for relaxing the body and boosting immunity, effectively lowering cholesterol and reducing inflammation. The product's composition and quality are excellent; Solgar is an outstanding brand in this regard.
Read More

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Medical Researches

SCIENTIFIC SCORE
Questionable
Based on 3 Researches
6.7
  • All Researches
8
Evening primrose oil reduces LDL cholesterol
We examined the effects of evening primrose oil, high in gammalinolenic acid, on cholesterol levels in nineteen patients with high cholesterol. This study used a rigorous crossover design where participants received both the evening primrose oil and a placebo safflower oil over 16 weeks.

During the evening primrose oil treatment, we noticed a significant reduction in low-density lipoprotein (LDL) cholesterol levels and apolipoprotein B in patients without hypertriglyceridemia. These findings suggest that evening primrose oil can be beneficial for individuals struggling with high cholesterol.
Read More
8
Gamma-linolenic acid reduces cholesterol
We explored how evening primrose oil (EPO) affects cholesterol levels by comparing its effects with safflower oil and olive oil in male rats on high-cholesterol diets.

Our findings revealed that EPO was more effective at lowering cholesterol than safflower oil, particularly in the initial two weeks. Even when the phytosterol content was equalized, EPO continued to show better results.

This suggests that gamma-linolenic acid in EPO has a notable cholesterol-lowering effect, which may be significant for potential applications in dietary management.
Read More
4
Evening primrose oil and HDL effects
We investigated the impact of evening primrose oil on cholesterol levels using New Zealand White rabbits. A noteworthy increase in high-density lipoprotein (HDL) cholesterol was observed after four weeks of supplementation, which persisted even two weeks after stopping the oil.

However, overall plasma cholesterol and triglycerides remained unchanged. We saw significant alterations in HDL subfractions, with an increase in HDL2b and HDL3c. These results indicate that n-6 fatty acid supplementation could help prevent atherosclerosis in the long run.
Read More

User Reviews

USERS' SCORE
Moderately Good
Based on 16 Reviews
7.8
  • All Reviews
  • Positive Reviews
  • Negative Reviews
9
Improved hair and health
4 people found this helpful
Excellent! I took this on recommendation, and frankly, the quality is excellent. The ingredients benefit both myself and my hair. Honestly, I didn’t notice much during my first period, and the taste is acceptable. It’s suitable for those aged thirty and above. It contains omega, which lowers cholesterol, and the packaging is secure. The benefits are noticeable, even with shipping.
Read More
8
Essential daily supplement
3 people found this helpful
An essential product that everyone needs. Solgar has maintained excellent drug concentrations in convenient capsules. It effectively lowers blood cholesterol levels and influences various bodily functions significantly. This product is crucial for overall health.
Read More
9
Hearty benefits
1 people found this helpful
I purchased this supplement as an alternative for regular omega and fish substitutes. It supports intestinal health, strengthens bones, joints, muscles, teeth, nails, and my hair, while aiding skin regeneration, normalising hormones, and improving sleep. It provides exceptional benefits for relaxing the body and boosting immunity, effectively lowering cholesterol and reducing inflammation. The product's composition and quality are excellent; Solgar is an outstanding brand in this regard.
Read More
9
Eliminates hot flashes
1 people found this helpful
After taking this product for a month, my hot flashes have completely ceased. I am very satisfied and would highly recommend this supplement.
Read More
9
Normalised menstrual cycle
1 people found this helpful
Excellent! This is a very high quality product. Evening primrose oil has normalised my menstrual cycle. I took this supplement (one capsule daily), and my cycle became 27 days for four months, which I don’t think is a coincidence. Additionally, menstruation was less painful than usual. This brand consistently produces high quality supplements with beneficial omega-6 ingredients. There’s no taste or smell, and the pills are easy to swallow. I recommend this supplement to all women!
Read More

Frequently Asked Questions

6
Improves high cholesterol
9 people found this helpful
The quality and ingredients are excellent. The benefit lies in the cholesterol management and overall health. This product is invaluable for women over forty, enhancing skin, mood, and sleep. The capsules encompass all the beauty and comfort a woman could desire.
8
Enhances overall well-being
2 people found this helpful
I've been taking Solgar Evening Primrose Oil for three months, as advised by my doctor for women's health. I noticed a significant difference in my well-being by the third month. I feel more balanced and energised, and this supplement is certainly worth considering if recommended by your healthcare provider.
9
Normalised menstrual cycle
1 people found this helpful
Excellent! This is a very high quality product. Evening primrose oil has normalised my menstrual cycle. I took this supplement (one capsule daily), and my cycle became 27 days for four months, which I don’t think is a coincidence. Additionally, menstruation was less painful than usual. This brand consistently produces high quality supplements with beneficial omega-6 ingredients. There’s no taste or smell, and the pills are easy to swallow. I recommend this supplement to all women!
7.5
Manages high cholesterol
12 people found this helpful
These capsules have been a revelation for my hormones. I’m grateful for this miraculous oil, which alongside Omega 3, offers excellent quality. It enhances hair and skin health, avoids inflammation of the heart muscle, and effectively lowers harmful cholesterol. The taste is pleasant, and the packaging is commendable.
8
Evening primrose oil reduces LDL cholesterol
We examined the effects of evening primrose oil, high in gammalinolenic acid, on cholesterol levels in nineteen patients with high cholesterol. This study used a rigorous crossover design where participants received both the evening primrose oil and a placebo safflower oil over 16 weeks.

During the evening primrose oil treatment, we noticed a significant reduction in low-density lipoprotein (LDL) cholesterol levels and apolipoprotein B in patients without hypertriglyceridemia. These findings suggest that evening primrose oil can be beneficial for individuals struggling with high cholesterol.
4
Evening primrose oil and HDL effects
We investigated the impact of evening primrose oil on cholesterol levels using New Zealand White rabbits. A noteworthy increase in high-density lipoprotein (HDL) cholesterol was observed after four weeks of supplementation, which persisted even two weeks after stopping the oil.

However, overall plasma cholesterol and triglycerides remained unchanged. We saw significant alterations in HDL subfractions, with an increase in HDL2b and HDL3c. These results indicate that n-6 fatty acid supplementation could help prevent atherosclerosis in the long run.
8
Gamma-linolenic acid reduces cholesterol
We explored how evening primrose oil (EPO) affects cholesterol levels by comparing its effects with safflower oil and olive oil in male rats on high-cholesterol diets.

Our findings revealed that EPO was more effective at lowering cholesterol than safflower oil, particularly in the initial two weeks. Even when the phytosterol content was equalized, EPO continued to show better results.

This suggests that gamma-linolenic acid in EPO has a notable cholesterol-lowering effect, which may be significant for potential applications in dietary management.

References

  1. Fragoso YD, Skinner ER. The effect of gammalinolenic acid on the subfractions of plasma high density lipoprotein of the rabbit. Biochem Pharmacol. 1992;44:1085. PubMed
  2. Ishikawa T, Fujiyama Y, Igarashi O, Morino M, Tada N, et al. Effects of gammalinolenic acid on plasma lipoproteins and apolipoproteins. Atherosclerosis. 1989;75:95. PubMed
  3. Sugano M, Ide T, Ishida T, Yoshida K. Hypocholesterolemic effect of gamma-linolenic acid as evening primrose oil in rats. Ann Nutr Metab. 1986;30:289. PubMed
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