Evening Primrose Oil 500 mg

by Wonder Laboratories · softgel capsule · 250 softgels

  • On the market (NIH)
  • DSLD label 262748
  • Serving 1 to 3 softgels; amounts per 1 softgel

Evening Primrose Oil 500 mg by Wonder Laboratories lists 3 ingredients, 3 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 December 18, 2021.

What is in Evening Primrose Oil 500 mg?

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 500 mg: Supplement Facts rows against the market (DSLD label 262748, January 2026 release)
IngredientAmount% DVAmong products listing it
Calories5 Calories
Calories from Fat5 Calories
Total Fat0.5 g1%Fat (unspecified) in Evening Primrose Oil 500 mg 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).

Evening Primrose OilEvening Primrose Oil Note: 100% cold pressed oil, hexane free.500 mgEvening Primrose oil in Evening Primrose Oil 500 mg 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).

Approximate Essential Fatty Acid (EFA) Contentno amount given
Linoleic AcidLinoleic Acid Note: Omega 6365 mgLinoleic Acid in Evening Primrose Oil 500 mg against 801 products365 mg per serving; the middle half of products list 110 mg to 696 mg, the median 350 mg.365 mg

Higher than 52% of 801 products listing linoleic acid (median 350 mg).

Gamma-Linolenic Acid45 mgGamma Linolenic Acid in Evening Primrose Oil 500 mg 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).

Source: NIH ODS Dietary Supplement Label Database, label 262748 (entered December 18, 2021), 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 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?

6 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
Directions: As a dietary supplement, take 1 to 3 softgels daily, preferably with a meal.
Warnings
Tamper evident: Do not use this product if imprinted foil seal under cap is broken or missing.
Keep out of reach of children.
Caution: If you are pregnant or nursing, consult your physician before taking this product.
Allergens and what it does not contain
Gluten free
Storage
Keep tightly closed. Store at room temperature: 59 degrees - 86 degrees F (15 degrees - 30 degrees C).

Source: label statements in DSLD label 262748.

What else is on the label?

Other ingredients: Gelatin, Vegetable Glycerin.

How many labels does Evening Primrose Oil 500 mg have?

3 labels are on file under this name since March 24, 2020: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 262748 (current) Entered December 18, 2021 · on the market · 250 softgels
  2. Label 215254 Entered March 24, 2020 · on the market · 250 softgels · UPC 0 99528 62525 3
  3. Label 215253 Entered March 24, 2020 · on the market · 100 softgels · UPC 0 99528 62510 9

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

Who makes it?

The label names Wonder Laboratories (distributor), White House, TN. All Wonder Laboratories products.

Where next?