BioStacks
Ingredients (2)
Gamma-Linolenic Acid
83%Dose/day
200 mg
Target
240–1000 mg
Form
—
Cis-Linoleic Acid
100%Dose/day
1300 mg
Target
0–0 mg
Form
—
Other Ingredients (2)
Mixed TocopherolsAntioxidant
Natural vitamin E used as preservative
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
Split into 4 doses across the day
On the label
1 softgel 4–6 times daily or as directed by a physician
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
C$24.79≈ $18.10
Near the median of 29 evening primrose oil (GLA) supplements
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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. clinical 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.