PlainVitamins

EPO Evening Primrose Oil

by Allergy Research Group · softgel capsule · 120 softgels

  • On the market (NIH)
  • UPC 7 13947 71260 7
  • DSLD label 304237
  • Serving 1 softgel
  • 120 servings

EPO Evening Primrose Oil by Allergy Research Group lists 4 ingredients, 4 with an amount per serving of 1 softgel, such as 500 mg of evening primrose oil, beside 1 Nutrition Facts row (calories, fat and the like). Its current label entered the NIH Dietary Supplement Label Database on January 24, 2024.

What is in EPO 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).

EPO Evening Primrose Oil: Supplement Facts rows against the market (DSLD label 304237, January 2026 release)
IngredientAmount% DVAmong products listing it
Calories5 Calories
Calories from Fat5 Calories
Total Fat500 mg1%Fat (unspecified) in EPO Evening Primrose Oil against 11,965 products0.5 g per serving; the middle half of products list 1 g to 2.5 g, the median 1.5 g.0.5 g

86% of 11,965 products listing fat (unspecified) give more (median 1.5 g). Per day at the most servings: 1 g.

Evening Primrose Oil500 mgEvening Primrose oil in EPO Evening Primrose Oil against 300 products500 mg per serving; the middle half of products list 500 mg to 1,300 mg, the median 500 mg.500 mg

50% of 300 products listing evening primrose oil give more (median 500 mg). Per day at the most servings: 1,000 mg.

Gamma-Linolenic Acid645 mgGamma Linolenic Acid in EPO Evening Primrose Oil against 740 products45 mg per serving; the middle half of products list 42 mg to 160 mg, the median 90 mg.45 mg

67% of 740 products listing gamma linolenic acid give more (median 90 mg). Per day at the most servings: 90 mg.

Linolenic Acid6365 mgLinolenic acid in EPO Evening Primrose Oil against 34 products365 mg per serving; the middle half of products list 82.75 mg to 532.5 mg, the median 232.5 mg.365 mg

Higher than 62% of 34 products listing linolenic acid (median 232.5 mg). Per day at the most servings: 730 mg.

Oleic Acid35 mgOleic Acid in EPO Evening Primrose Oil against 694 products35 mg per serving; the middle half of products list 88.5 mg to 370 mg, the median 140 mg.35 mg

88% of 694 products listing oleic acid give more (median 140 mg). Per day at the most servings: 70 mg.

Source: NIH ODS Dietary Supplement Label Database, label 304237 (entered January 24, 2024), 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?

The products whose ingredient lists overlap most with EPO Evening Primrose Oil's, rare ingredients counting for more.

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 As a dietary supplement, 1 softgel one or two times daily with meals, or as directed by a healthcare practitioner.
Allergens and what it does not contain
The oil is cold-pressed and hexane free.
Storage
Keep in a cool, dry place, tightly capped.

Source: label statements in DSLD label 304237.

What else is on the label?

Other ingredients: Gelatin, Glycerin, Water, Purified.

How many labels does EPO Evening Primrose Oil have?

6 labels are on file under this name since April 25, 2013: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 304237 (current) Entered January 24, 2024 · on the market · 120 softgels · UPC 7 13947 71260 7
  2. Label 207814 Entered November 21, 2019 · on the market · 120 softgels · UPC 7 13947 71260 7
  3. Label 183185 Entered November 21, 2018 · off the market June 26, 2019 · 120 softgels · UPC 7 13947 71260 7
  4. Label 78761 Entered September 21, 2017 · off the market July 19, 2018 · 120 softgels · UPC 7 13947 71260 7
  5. Label 54299 Entered December 23, 2015 · off the market July 31, 2017 · 120 softgels · UPC 7 13947 71260 7
  6. Label 20203 Entered April 25, 2013 · off the market November 19, 2015 · 120 softgels · UPC 7 13947 71260 7

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

Who makes it?

The label names Allergy Research Group (distributor), South Salt Lake, UT. All Allergy Research Group products.

Where next?