Evening Primrose Oil 500 mg

by Douglas Cooper Co. · softgel capsule · 100 softgels

On the market (NIH)
DSLD label 247333
Serving 3 softgels
33 servings

Evening Primrose Oil 500 mg by Douglas Cooper Co. lists 2 ingredients, 2 with an amount per serving of 3 softgels, such as 1.5 g of evening primrose oil, beside 3 Nutrition Facts rows (calories, fat and the like). Its current label entered the NIH Dietary Supplement Label Database on April 22, 2021.

What is in Evening Primrose Oil 500 mg?

Each row as the label prints it, per serving of 3 softgels. The capsule beside an amount places it among every product in the NIH database that lists the same ingredient: the bar is the middle half of their amounts, the line in it the median, the whiskers the 10th and 90th percentiles; the green tick is the FDA Daily Value and the red dashed tick the adult upper limit (IOM).

Evening Primrose Oil 500 mg: Supplement Facts rows against the market (DSLD label 247333, January 2026 release)
Ingredient	Amount	% DV	Among products listing it
Calories	15 Calories
Calories from Fat	15 Calories
Total Fat	1.5 g	2%	44% of 11,965 products listing fat (unspecified) give more (median 1.5 g).
Polyunsaturated Fat	1 g		39% of 1,759 products listing polyunsaturated fat give more (median 1 g).
Monounsaturated Fat	less than 0.5 g
Evening Primrose OilEvening Primrose Oil PlantPart: seed Genus: Oenothera Species: biennis Note: (1,500 mg) (cold-pressed, Hexane-free)	1.5 g		Higher than 94% of 300 products listing evening primrose oil (median 500 mg).
Gamma-Linolenic Acid	135 mg		Higher than 70% of 740 products listing gamma linolenic acid (median 90 mg).

Source: NIH ODS Dietary Supplement Label Database, label 247333 (entered April 22, 2021), version 9.4.0. See the label on DSLD. Amounts are what the maker printed; DSLD does not test products. Daily Values: the FDA's Daily Value page.

Is that a lot?

The rows in the top or bottom tenth of the products that list the same ingredient, and any above the adult upper limit at the most servings a day the directions give:

Its 1,500 mg of evening primrose oil is higher than 94% of the 300 evening primrose oil products that print an amount; 8 list more.

The NIH database records one serving a day from the label's directions; its % Daily Values are for adults and children 4 or more years of age. The directions as printed are further down this page.

The Tolerable Upper Intake Level is the most of a nutrient per day, from food, water and supplements together, that is likely to pose no risk for almost all adults (Institute of Medicine, 2011). It does not apply under medical supervision. This page compares labels; it is not medical advice.

Sources: amounts from the DSLD label; Daily Values from 21 CFR 101.9(c)(8)(iv); adult upper limits from the Institute of Medicine's DRI summary tables (2011). How positions are computed.

Which products have the closest formulas?

5 products list the very same ingredients; the nearest amounts come first.

Evening Primrose Oil 500 mcgNew Sun same ingredients
Evening Primrose OilApollo Sun · off the market same ingredients
Super PrimroseNOW same ingredients
Evening Primrose Oil 1,300 mgAN Amazing Nutrition Amazing Formulas same ingredients
Evening Primrose 1300 mgHerbal Secrets · off the market same ingredients
Evening Primrose Oil 500 mgNew Sun · off the market 5 shared, 89% alike

Source: ingredient lists of every product's current label in DSLD (version 9.4.0); similarity weights each shared ingredient by how rare it is.

What does the label say about taking it?

Quoted from the label as DSLD transcribed it: the maker's words, including any claim about what the product does, which the FDA has not evaluated and PlainVitamins does not endorse.

Directions: Suggested Usage: Take 3 softgels daily with food.
Warnings: Caution: For adults only.; Consult physician if pregnant/nursing, taking medication, or have a medical condition.; Keep out of reach of children.; Do not eat freshness packet. Keep in bottle.; To report a serious adverse event, or for product information, contact 1-800-234-8686; Not manufactured with yeast, wheat, gluten, soy, milk, egg, fish or shellfish ingredients. Produced in a GMP facility that processes other ingredients containing these allergens.
Allergens and what it does not contain: Hexane free; Not manufactured with yeast, wheat, gluten, soy, milk, egg, fish or shellfish ingredients.; Non-GMO
Storage: Store in a cool, dry place after opening.

Source: label statements in DSLD label 247333.

What else is on the label?

Other ingredients: Softgel Capsule.

How many labels does Evening Primrose Oil 500 mg have?

One label is on file, entered on April 22, 2021.

Label 247333 (current) Entered April 22, 2021 · on the market · 100 softgels

Source: DSLD label entry and market events, version 9.4.0 (labels entered through September 25, 2025).

Who makes it?

The label names Douglas Cooper Co. (distributor), Carmel, IN. All Douglas Cooper Co. products.