PlainVitamins

Evening Primrose 500 mg

by OL Olympian Labs · softgel capsule · 90 softgels

  • Off the market since May 2016 (NIH)
  • UPC 7 10013 00074 3
  • DSLD label 38929
  • Serving 1 softgel
  • 90 servings

Evening Primrose 500 mg by OL Olympian Labs lists 3 ingredients, 3 with an amount per serving of 1 softgel, such as 500 mg of evening primrose oil, 365 mg of linoleic acid and 45 mg of gamma-linolenic acid, beside 1 Nutrition Facts row (calories, fat and the like). Its current label entered the NIH Dietary Supplement Label Database on October 27, 2014.

What is in Evening Primrose 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 500 mg: Supplement Facts rows against the market (DSLD label 38929, January 2026 release)
IngredientAmount% DVAmong products listing it
Calories5 Calories
Calories from Fat5 Calories
Total Fat0.5 g1%Fat (unspecified) in Evening Primrose 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). Per day at the most servings: 1 g.

Evening Primrose OilEvening Primrose Oil PlantPart: seed Note: cold pressed and GMO free500 mgEvening Primrose oil in Evening Primrose 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). Per day at the most servings: 1,000 mg.

Linoleic AcidCis-Linoleic Acid (Alt. Name: LA)365 mgLinoleic Acid in Evening Primrose 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). Per day at the most servings: 730 mg.

Gamma-Linolenic Acid45 mgGamma Linolenic Acid in Evening Primrose 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). Per day at the most servings: 90 mg.

Source: NIH ODS Dietary Supplement Label Database, label 38929 (entered October 27, 2014), 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 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?

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
SUGGESTED USE: As a dietary supplement, take one (1) capsule once to twice daily, or as directed by a healthcare professional.
Warnings
CAUTION: If you are pregnant or nursing, or have a medical condition, are taking medication, consult your healthcare professional before using this or any other nutritional supplement.
Discontinue use if allergic reaction occurs.
KEEP OUT OF REACH OF CHILDREN.
Storage
STORE IN A COOL, DRY PLACE.

Source: label statements in DSLD label 38929.

What else is on the label?

Other ingredients: Gelatin, Vegetable Glycerin, purified Water.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): OL OLYMPIAN LABS, INC.(TM); NO ALLERGENS; {NO} A Allergen-Free.

How many labels does Evening Primrose 500 mg have?

One label is on file, entered on October 27, 2014.

  1. Label 38929 (current) Entered October 27, 2014 · off the market May 24, 2016 · 90 softgels · UPC 7 10013 00074 3

DSLD also links this label to: Evening Primrose Oil 500 mg (image difference, same product), Evening Primrose Oil 500 mg (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 Olympian Labs, Inc. (distributor), Phoenix, AZ. All OL Olympian Labs products.

Where next?