PlainVitamins

Evening Primrose Oil

by Klaire Labs · softgel capsule · 100 softgels

  • Off the market since February 2025 (NIH)
  • UPC 8 28054 00442 9
  • DSLD label 280453
  • Serving 1 softgel
  • 100 servings

Evening Primrose Oil by Klaire Labs lists 4 ingredients, 4 with an amount per serving of 1 softgel, such as 1,300 mg of evening primrose seed oil, beside 2 Nutrition Facts rows (calories, fat and the like). Its current label entered the NIH Dietary Supplement Label Database on January 23, 2023.

What is in Evening Primrose Oil?

Each row as the label prints it, per serving of 1 softgel. 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: Supplement Facts rows against the market (DSLD label 280453, January 2026 release)
IngredientAmount% DVAmong products listing it
Calories10 Calories
Calories from Fat10 Calories
Total Fat1 g1%Fat (unspecified) in Evening Primrose Oil against 11,965 products1 g per serving; the middle half of products list 1 g to 2.5 g, the median 1.5 g.1 g

56% of 11,965 products listing fat (unspecified) give more (median 1.5 g). Per day at the most servings: 2 g.

Polyunsaturated Fat1 gPolyunsaturated Fat in Evening Primrose Oil against 1,759 products1 g per serving; the middle half of products list 0.5 g to 2 g, the median 1 g.1 g

39% of 1,759 products listing polyunsaturated fat give more (median 1 g). Per day at the most servings: 2 g.

Evening Primrose seed Oilcold-pressed1,300 mgEvening Primrose oil in Evening Primrose Oil against 300 products1,300 mg per serving; the middle half of products list 500 mg to 1,300 mg, the median 500 mg.1,300 mg

Higher than 69% of 300 products listing evening primrose oil (median 500 mg). Per day at the most servings: 2,600 mg.

Gamma-Linolenic Acid76 mgGamma Linolenic Acid in Evening Primrose Oil against 740 products76 mg per serving; the middle half of products list 42 mg to 160 mg, the median 90 mg.76 mg

54% of 740 products listing gamma linolenic acid give more (median 90 mg). Per day at the most servings: 152 mg.

Linoleic Acid544 mgLinoleic Acid in Evening Primrose Oil against 801 products544 mg per serving; the middle half of products list 110 mg to 696 mg, the median 350 mg.544 mg

Higher than 70% of 801 products listing linoleic acid (median 350 mg). Per day at the most servings: 1,088 mg.

Oleic Acid49.9 mgOleic Acid in Evening Primrose Oil against 694 products49.9 mg per serving; the middle half of products list 88.5 mg to 370 mg, the median 140 mg.49.9 mg

85% of 694 products listing oleic acid give more (median 140 mg). Per day at the most servings: 99.8 mg.

Source: NIH ODS Dietary Supplement Label Database, label 280453 (entered January 23, 2023), version 9.4.0. See the label on DSLD or its label image (PDF). Amounts are what the maker printed; DSLD does not test products. Daily Values: the FDA's Daily Value page.

Is that a lot?

Every amount on this label with a position sits within the middle 80% of the products that list the same ingredient.

The NIH database records 1 to 2 servings 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.

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 Use: 1 softgel, 1 to 2 times daily with food or as directed by a healthcare professional.
Warnings
Do not use if shrinkwrap is broken or missing.
Caution: If you are pregnant, nursing, have a medical condition, or taking prescription drugs, consult your physician before using this product.
Keep out of reach of children.
Allergens and what it does not contain
Free of the following common allergens: milk/casein, eggs, fish, shellfish, tree nuts, peanuts, wheat, gluten, soybeans, corn, and yeast. Contains no artificial colors, flavors, or preservatives.
Storage
Store in a cool, dry place (59 degrees F-85 degrees F) away from direct light.

Source: label statements in DSLD label 280453.

What else is on the label?

Other ingredients: Gelatin, Glycerin, Water.

How many labels does Evening Primrose Oil have?

One label is on file, entered on January 23, 2023.

  1. Label 280453 (current) Entered January 23, 2023 · off the market February 18, 2025 · 100 softgels · UPC 8 28054 00442 9

DSLD also links this label to: Evening Primrose Oil (image difference, same product).

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

Who makes it?

The label names SFI USA (manufacturer), Reno, NV. All Klaire Labs products.

Where next?