NOW Super Primrose is evening primrose oil, a supplement marketed for skin health, PMS, and breast tenderness — but the clinical evidence behind those uses is weak. Each softgel gives you 1,300mg of **evening primrose oil**, supplying 120mg of GLA, the omega-6 fatty acid that does the actual work. A Cochrane review found EPO no better than placebo for eczema, and reviews of PMS and breast-pain studies have come back inconsistent.
GLA's stronger RCT evidence is in rheumatoid arthritis and diabetic nerve pain, but those trials used 240mg per day and up — so even two softgels (240mg GLA) only just reaches the bottom of that range. Keep in mind GLA is an omega-6 your body can typically produce on its own from common dietary oils, so for most healthy people this isn't correcting a shortfall.
BioStacks
Nutrition
Calories, macros & sodium.
- Calories10 Calorie(s)
- Total Fat1.3 Gram(s)
- Polyunsaturated Fat1 Gram(s)
- Monounsaturated Fat0.5 Gram(s)
Other Ingredients (1)
SoftgelCapsule
One-piece gelatin capsule shell with a plasticizer (typically glycerin), used to encapsulate liquid or oil-based supplements
How to Take It
Take it anytime
Timing doesn't matter for this one — taking it consistently does.
With or without food
On the label
Suggested Usage: Take 1 softgel 1 to 2 times daily with food.
General guidance based on the ingredients, not a substitute for the label or your doctor.
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Sources & Scoring
Nutrient data (RDA, UL, and safety thresholds) sourced from: NIH Office of Dietary Supplements and National Academies Dietary Reference Intakes (DRI).
This is not medical advice. Consult a healthcare provider before making changes to your supplement routine.
The score analyzes what's on the label: ingredient doses vs. studied ranges, chemical forms, evidence levels, and known interactions. It does not verify label accuracy or test for contaminants — for that, look for third-party certifications like USP or NSF.