Evening Primrose Oil 500 Ingredients & Drug Interactions
by GNC
What is this page for?
First and foremost: checking Evening Primrose Oil 500 against your medications. The heart of this page is the interaction checker and the full interaction report — how this product’s ingredients may interact with prescription and over-the-counter medicines you may be taking.
Around that, we add a pharmacist’s high-level view of the product as a whole — what’s inside, the evidence for its stated use, how transparent the label is, and what safety data exists — so you can see the full picture in one place. It’s educational information from our licensed clinical databases and the clinical staff at HelloPharmacist — not medical advice — and we don’t sell or endorse products. Our editorial policy
Evening Primrose Oil 500 is a dietary supplement by GNC with 0 active ingredients.We don’t currently list a known drug interaction for its mapped ingredients — but that doesn’t guarantee none exist, so always confirm with your pharmacist.
HelloPharmacist Scorecard of Evening Primrose Oil 500 by GNC
Four independent checks of what is known — a summary of the available information, not a grade of the product itself.
By FDA rules, dietary supplements can’t claim to treat, cure, or prevent disease — so labels speak in careful marketing language. We discern each product’s intended use from its name, label claims, and label statements, then grade the clinical evidence for that use. How these ratings are computed
None of the active ingredients could be matched to our evidence database, so intended use can't be graded.
Why this rating?
- None of the active ingredients could be matched to a HelloPharmacist monograph, so intended use can't be graded against our evidence data.
The source label data is too incomplete to assess.
Why this rating?
- The source label data didn't include any active-ingredient rows for us to check.
None of the active ingredients could be matched to our interaction database.
Why this rating?
- We couldn't match any ingredient to a HelloPharmacist monograph, so there was nothing to check interactions against.
None of the active ingredients could be matched to our safety data.
Why this rating?
- We couldn't match any ingredient to a HelloPharmacist monograph, so there was no safety data to measure.
HelloPharmacist summaryFormula whose disclosure could not be assessed with no assessable stated purpose. Medication interactions could not be assessed, and safety information could not be assessed.
Assessment coverage: 0 of 0 active ingredients matched to our full ingredient reviews (monographs). Based on the product label dated Dec 23, 2011.
This Scorecard evaluates available label information, ingredient evidence, and known medication-safety considerations. It does not independently verify product identity, purity, potency, contamination, or manufacturing quality. How these ratings are computed
General information
Key facts about Evening Primrose Oil 500, straight from the product label.
Everything in this section is reproduced from the manufacturer’s own product label — it’s the label speaking, not HelloPharmacist. We show it so you can see exactly what the maker states; we don’t verify or endorse those statements.
Supplement Facts
The label details for Evening Primrose Oil 500 by GNC, sourced from the NIH Dietary Supplement Label Database.
Supplement Facts
| Ingredient | Amount | % DV |
|---|---|---|
| Calories | 5 {Calories} | -- |
| Calories from Fat | 5 {Calories} | -- |
| Total Fat | 0.5 g | 1% |
Other ingredients: Gelatin, Glycerin
Tap any ingredient to jump to its full detail below.
These statements are the manufacturer’s wording, reproduced from the product label — the label is saying it, not HelloPharmacist. We don’t verify or endorse them.
Suggested/Recommended/Usage/Directions
Directions: As a dietary supplement, take one softgel capsule daily with food.
Formula
Typical Fatty Acid Profile per One Capsule: Linoleic Acid (LA)(Omega-6) 350 mg gamma-Linolenic Acid (GLA)(Omega-6) 40 mg
General Statements
ACTUAL SIZE
Conforms to USP <2091> for weight. Meets USP <2040> disintegration.
Evening Primrose Oil 500
GNC QUALITY COMMITMENT GNC, the leader in the development and manufacture of dietary supplements, is committed to producing the highest quality products available. This commitment begins with quality designed supplement formulations. Every raw material that goes into a GNC supplement is guaranteed as to quality and potency. Each product is dated and then shipped immediately to our stores, so you can be sure you are purchasing the freshest supplements available. At GNC, we extend our quality commitment to your by offering our money-back guarantee. GNC GUARANTEE Use any GNC supplement for as little as 10 days. If you are not 100% completely satisfied, return the unused portion of the product with proof of purchase to your GNC store for a complete refund of your purchase price. No questions asked!
HAIR, SKIN & NAILS PROGRAM GNC Hair, Skin & Nails program is a comprehensive daily nutritional program that combines our most advanced formulas to support beauty from the inside out. Adequate intake of essential nutrients such as biotin, lutein, and amino acids, along with important antioxidants, helps support beautiful hair, skin and nails. - Hair, Skin & Nails Formula - A specialized formula featuring nutrients that support normal cell growth in the hair, skin and nails matrix.* It provides 3,000 mcg of biotin, an essential vitamin known to promote beautiful hair, skin and nails.* This formula also features advanced antioxidants including vitamins A and C, alpha-Lipoic acid and green tea which help protect against damaging free radicals that can promote the cell-aging process.* Also includes lutein, an important antioxidant which helps support skin hydration.* This formula combines gelatin with important amino acids for strong, healthy nails.* - Evening Primrose Oil - A natural source of GLA, an omega-6 fatty acid that helps maintain smooth, healthy-looking skin.* GLA also supports hormonal balance.* - Advanced Collagen Formula - A sophisticated blend of Type 1 collagen and specific amino acids found in hair, skin and nails. Amino acids are essential building blocks of protein, which is needed for the growth and repair of tissue.
Formulation
No Artificial Colors, No Artificial Flavors, No Wheat, No Gluten, No Dairy, Yeast Free.
Storage
Store in a cool, dry place.
FDA Statement of Identity
Dietary Supplement
Precautions
KEEP OUT OF REACH OF CHILDREN.
FDA Disclaimer Statement
*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.
General
CODE 292912 ILG
Is this label outdated? Report a formula or label change and our pharmacy team will review it.
Evening Primrose Oil 500 by GNC label
The label scan from the NIH Dietary Supplement Label Database. Tap to enlarge.
Label images are published by the NIH Dietary Supplement Label Database for the version of this product on file. Always read your actual product label.
View the full label (PDF)The Ingredients in Evening Primrose Oil 500 by GNC
These are the 0 active ingredients this product is made of. Select any to open its full monograph.
Serving size1 Softgel(s) Dosage formSoftgel Capsule Amounts shown are per serving.
Other (inactive) ingredients: Gelatin, Glycerin. These complete the product’s ingredient list but are not active constituents.
Evening Primrose Oil 500 by GNC Drug Interactions
We don’t currently list any known drug interactions for the mapped ingredients in Evening Primrose Oil 500. This doesn’t guarantee none exist — always confirm with your pharmacist before combining a supplement with your medications.
Brand information
Manufacturer and brand details for Evening Primrose Oil 500, from the product label.
Evening Primrose Oil 500 by GNC: Common Questions
Does Evening Primrose Oil 500 by GNC interact with any medications?
How can one product interact with so many drugs?
Where does this information come from?
Written and reviewed by the HelloPharmacist editorial staff. Our editorial policy
Not sure if Evening Primrose Oil 500 is safe with your meds?
Our pharmacists answer your medication & supplement questions — free.
Label information is sourced from the NIH Dietary Supplement Label Database and reflects the product version on file; always read your actual product label. This page is for education only and is not a substitute for professional medical advice. Confirm with your pharmacist or doctor before combining supplements and medications.
Sources & How We Checked
Evening Primrose Oil 500's label data comes from the NIH Dietary Supplement Label Database; the ingredient interaction data is from the Natural Medicines database, reviewed by our pharmacists.
- NIH Dietary Supplement Label Database (DSLD) — The official product label on file for this supplement.
- Natural Medicines (Therapeutic Research Center) — Evidence-graded clinical reference behind the ingredient interaction data.
Content is written and reviewed by licensed HelloPharmacist pharmacists. See our data sources and editorial standards for how this information is built and checked.
Parts of this content are provided by the Therapeutic Research Center, LLC.
DISCLAIMER: Currently this does not check for drug-drug interactions. This is not an all-inclusive comprehensive list of potential interactions and is for informational purposes only. Not all interactions are known or well-reported in the scientific literature, and new interactions are continually being reported. Input is needed from a qualified healthcare provider including a pharmacist before starting any therapy. Application of clinical judgment is necessary.
© 2021 Therapeutic Research Center, LLC