PlainVitamins

Evening Primrose Oil

by ProThera · softgel capsule · 100 softgels

  • Off the market since March 2022 (NIH)
  • UPC 8 28054 00442 9
  • DSLD label 70687
  • Serving 1 to 2 softgels; amounts per 1 softgel
  • 100 servings

Evening Primrose Oil by ProThera lists 4 ingredients, 4 with an amount per serving of 1 softgel, such as 1.3 g of organic evening primrose seed oil, beside 3 Nutrition Facts rows (calories, fat and the like). Its current label entered the NIH Dietary Supplement Label Database on March 24, 2017.

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 70687, January 2026 release)
IngredientAmount% DVAmong products listing it
Calories10 Calories
Calories from Fat10 Calories
Total Fat1 g2%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).

Saturated Fat0 g0%
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).

organic Evening Primrose seed Oilorganic Evening Primrose seed Oil PlantPart: seed Note: cold-pressed1.3 gEvening 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).

Supplying Approximately:no amount given
Gamma-Linolenic Acid130 mgGamma Linolenic Acid in Evening Primrose Oil against 740 products130 mg per serving; the middle half of products list 42 mg to 160 mg, the median 90 mg.130 mg

Higher than 67% of 740 products listing gamma linolenic acid (median 90 mg).

Linoleic Acid955 mgLinoleic Acid in Evening Primrose Oil against 801 products955 mg per serving; the middle half of products list 110 mg to 696 mg, the median 350 mg.955 mg

Higher than 85% of 801 products listing linoleic acid (median 350 mg).

Oleic Acid80 mgOleic Acid in Evening Primrose Oil against 694 products80 mg per serving; the middle half of products list 88.5 mg to 370 mg, the median 140 mg.80 mg

76% of 694 products listing oleic acid give more (median 140 mg).

Source: NIH ODS Dietary Supplement Label Database, label 70687 (entered March 24, 2017), 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?

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 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?

1 product lists 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 to 2 softgels daily with food.
Warnings
Do not use if full-bottle shrinkwrap is broken or missing.
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, corn, yeast, and soybeans. Contains no artificial colors, flavors, or preservatives.
Storage
Store in a cool, dry place (59(0)F-85(0)F) away from direct light.

Source: label statements in DSLD label 70687.

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 March 24, 2017.

  1. Label 70687 (current) Entered March 24, 2017 · off the market March 18, 2022 · 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 ProThera, Inc. (distributor), Reno, NV. All ProThera products.

Where next?