NOW Foods Supplements, Evening Primrose Oil 1000 mg, Cold Pressed, Hexane Free, Vegan Formula, 90 Veg Softgels
$0.19/serving
Price verified Apr 22, 2026
Not evaluated by the FDA · Individual results may vary · Consult a healthcare provider before use
Our verdict
1000mg evening primrose oil (120mg GLA) per softgel of Cold-Pressed Evening Primrose Oil (min. 12% GLA) per softgel from NOW Foods. Best for best overall value and quality EPO.
Why we recommend this
Delivers 120mg GLA per softgel from cold-pressed, hexane-free evening primrose oil. GMP-certified facility with third-party testing for purity and potency. At $0.13/serving, it's the best value EPO with quality extraction. Over 10,000 positive Amazon reviews.
Check for interactions
Already taking other supplements or prescription medications? Add them below to check for documented interactions, severity, and clinical guidance.
Our database currently documents 137+ supplement and drug-category interaction pairs. Combinations not flagged here may still interact — always consult your healthcare provider before combining supplements, especially with prescription medications.
What to watch out for
Standard 1000mg softgel size (may be large for some). Need 2-3 softgels daily for higher clinical doses. No additional omega-3 fatty acids.
Dose & form
- Serving
- 1000mg evening primrose oil (120mg GLA) per softgel
- Form
- Softgel
- Clinical range
- 2-6 g daily (providing 160-480 mg GLA)
- Dose adequacy
- Subtherapeutic
- Supply
- 90 servings · $0.19/serving
- UPC
- 733739017581
Who it's best for
Best overall value and quality EPO
Who should skip it
Those wanting the highest GLA per softgel or having difficulty swallowing large capsules.
Pros
- Cold-pressed, hexane-free extraction
- 120mg GLA per softgel (12%)
- Excellent value at $0.13/serving
- GMP certified with third-party testing
Cons
- Standard large softgel size
- May need multiple softgels for clinical dose
- No added omega-3s
What customers say
4.7★ across 1,770 Amazon reviews. The most common questions from shoppers: now foods evening primrose oil safe to take daily, evening primrose oil interact with blood-thinning medications, and re side effects from now foods evening primrose oil. Full answers in the FAQ below.
Frequently Asked Questions
What is the clinical dose for Cold-Pressed Evening Primrose Oil (min. 12% GLA)?
What is the clinical dose for Cold-Pressed Evening Primrose Oil (min. 12% GLA)?
Clinical trials typically use 2-6 g daily (providing 160-480 mg GLA). NOW Foods Evening Primrose Oil 1000mg delivers 1000mg evening primrose oil (120mg GLA) per softgel, which we classify as Subtherapeutic relative to that range.
How does NOW Foods Evening Primrose Oil 1000mg compare to similar Softgel?
How does NOW Foods Evening Primrose Oil 1000mg compare to similar Softgel?
See the "Also consider" section below for two alternatives. Choose based on form preference (Softgel vs alternatives), dose adequacy, and third-party testing.
Is NOW Foods Evening Primrose Oil 1000mg third-party tested?
Is NOW Foods Evening Primrose Oil 1000mg third-party tested?
Yes — GMP Certified, Third-Party Tested. Third-party testing verifies ingredient identity and label accuracy.
Does this work with Amazon Subscribe & Save?
Does this work with Amazon Subscribe & Save?
Yes — Amazon Subscribe & Save is available for this product. Enrolling locks in a recurring delivery at a reduced per-unit price.
Is NOW Foods Evening Primrose Oil safe to take daily?
Is NOW Foods Evening Primrose Oil safe to take daily?
NOW Foods Evening Primrose Oil is generally considered safe for daily use when taken as directed. Evening primrose oil has been used for decades and has a well-established safety profile. Consult your healthcare provider if you take blood thinners or have a bleeding disorder.
Can evening primrose oil interact with blood-thinning medications?
Can evening primrose oil interact with blood-thinning medications?
Evening primrose oil may have mild blood-thinning properties and could potentially increase the effect of anticoagulant medications like warfarin. If you take blood thinners, consult your doctor before starting EPO supplementation. Discontinue use 2 weeks before surgery.
Are there side effects from NOW Foods Evening Primrose Oil?
Are there side effects from NOW Foods Evening Primrose Oil?
Most people tolerate evening primrose oil well. Occasional side effects may include mild stomach upset, nausea, or soft stools. Taking the softgels with food typically minimizes digestive side effects. Allergic reactions are rare but possible.
Is NOW Foods EPO safe during pregnancy?
Is NOW Foods EPO safe during pregnancy?
Evening primrose oil is sometimes used in late pregnancy, but its safety during pregnancy has not been conclusively established. Do not take EPO during pregnancy or breastfeeding without explicit guidance from your healthcare provider.
Can evening primrose oil cause hormonal changes?
Can evening primrose oil cause hormonal changes?
Evening primrose oil provides GLA (gamma-linolenic acid), which supports prostaglandin production rather than directly affecting hormones. It does not contain phytoestrogens and does not directly alter estrogen or progesterone levels. Its effects on PMS are mediated through anti-inflammatory pathways.
How many NOW Foods EPO softgels should I take per day?
How many NOW Foods EPO softgels should I take per day?
The recommended dose is one softgel taken 1-3 times daily with food. This provides 1000-3000mg of evening primrose oil (120-360mg GLA) per day. Start with one softgel daily and increase as needed based on your health goals.
Also consider
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