botanical

Evening Primrose supplements

Half of the 26 evening primrose supplements in the NIH label database that print an amount list 891.5 mg or less per serving; the middle half list 450 mg to 1,000 mg (DSLD version 9.4.0, January 2026).

Products listing it
6026 print an amount; 24 list it inside a blend without an amount
Median per serving
891.5 mgmiddle half 450 mg to 1,000 mg

How much evening primrose do supplements contain?

The median product lists 891.5 mg per serving. One in ten lists 55 mg or less, one in ten 1,328 mg or more. The amount printed most often is 1,000 mg (6 products).

Products by amount of evening primrose per serving

26 products, log scale; extreme 0.2% at each end left out of the drawing.

Evening Primrose: products by amount per serving30 mg100 mg300 mg1,000 mg
Evening Primrose: products by amount per serving30 mg100 mg300 mg1,000 mg
Evening Primrose: products by amount per serving30 mg100 mg300 mg1,000 mg
Evening Primrose: products by amount per serving30 mg100 mg300 mg1,000 mg
Evening Primrose: products by amount per serving30 mg100 mg300 mg1,000 mg
The amounts printed most often
Amount per servingProductsFor example
1,000 mg6 Evening Primrose Oil 1000 mg (Nature's Harmony); Evening Primrose 1,000 mg (Nature's Answer); Evening Primrose Flower Powder (TerraVita Premium Collection)
500 mg4 Evening Primrose Oil 500 mg (Nature's Harmony); Evening Primrose Oil (21st Century)
50 mg2 Hair, Skin & Nails (Natures Plus Herbal Actives)
450 mg2 Evening Primrose Flower 450 mg (TerraVita Premium Collection); Evening Primrose Herb 450 mg (TerraVita Premium Collection)
983 mg2 Evening Primrose (Herbal Terra); Evening Primrose (Hawaii Pharm)
1,156 mg2 Evening Primrose Alcohol Free (Herbal Terra); Evening Primrose Non-Alcohol (Hawaii Pharm)
20 mg1 Intestibal (Pharmax)
60 mg1 Organic Evening Primrose Oil (Zongle Therapeutics)
166 mg1 Skin and Joints Essentials (Perricone MD Nutriceuticals)
250 mg1 Pms (Her Own)

Source: Supplement Facts rows of every product's current label, NIH ODS Dietary Supplement Label Database version 9.4.0; amounts in one measure (weight).

Which products list the most evening primrose?

On-market products, per serving, with a plausible amount: the rule leaves out likely entry slips, such as an amount far beyond every other label with no %DV or strength on the label to back it (each product page still shows its own amount, marked).

In which products and brands?

Products listing evening primrose by DSLD product type

Evening Primrose by product typeBotanical14Other Combinations4Botanical with Nutrients4Fat/Fatty Acid4
Evening Primrose by product typeBotanical14Other Combinations4Botanical with Nutrients4Fat/Fatty Acid4
Evening Primrose by product typeBotanical14Other Combinations4Botanical with Nutrients4Fat/Fatty Acid4
Evening Primrose by product typeBotanical14Other Combinations4Botanical with Nutrients4Fat/Fatty Acid4
Evening Primrose by product typeBotanical14Other Combinations4Botanical with Nutrients4Fat/Fatty Acid4

Brands listing it most: TerraVita Premium Collection (4), Nature's Answer (3), Nature's Harmony (2), Quest (2), Herbal Terra (2), Hawaii Pharm (2), Pharmax (1), Nature's Plus (1), Natures Plus Herbal Actives (1), Zongle Therapeutics (1).

Every product listing evening primrose

60 products, A to Z by name (page 1 of 2), each with the amount its label prints; an amount far outside what other labels print is marked as a possible slip.

Where next?