BioStacks
Source Naturals

Evening Primrose Oil 500 mg

3 Softgels · 10 servings

iHerbAmazon

Ingredients (3)

Linoleic Acid

100%

Dose

1000 mg

Target

0–0 mg

Form

—

Oil of Evening Primrose

100%

Dose

1000 mg

Target

1000–3000 mg

Form

—

Gamma-Linolenic Acid

63%

Dose

150 mg

Target

240–1000 mg

Form

—

Other Ingredients (3)

GelatinCapsule

Protein derived from collagen, used in traditional capsule shells

GlycerinHumectant

Sweet-tasting liquid used in soft capsules and liquids

Purified WaterSolvent

Water meeting USP specifications used as solvent/vehicle in gummies and liquids

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

3 softgels 1 to 2 times daily.

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. 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.

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