Ultra Prim Evening Primrose Oil 500 mg
by Natural Factors OmegaFactors · softgel capsule · 180 softgels
- On the market (NIH)
- UPC 0 68958 02356 4
- DSLD label 220805
- Serving 1 softgel
Ultra Prim Evening Primrose Oil 500 mg by Natural Factors OmegaFactors lists 4 ingredients, 4 with an amount per serving of 1 softgel, such as 500 mg of ultra prim evening primrose oil, beside 1 Nutrition Facts row (calories, fat and the like). Its current label entered the NIH Dietary Supplement Label Database on May 22, 2020.
What is in Ultra Prim 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).
| Ingredient | Amount | % DV | Among products listing it |
|---|---|---|---|
| Calories | 5 Calories | ||
| Total Fat | 0.5 g | 1% | 86% of 11,965 products listing fat (unspecified) give more (median 1.5 g). Per day at the most servings: 1.5 g. |
| Ultra Prim Evening Primrose Oil | 500 mg | 50% of 300 products listing evening primrose oil give more (median 500 mg). Per day at the most servings: 1,500 mg. | |
| Omega-6 Fatty Acids | 375 mg | Higher than 70% of 421 products listing omega-6 (median 140 mg). Per day at the most servings: 1,125 mg. | |
| Linoleic AcidCis-Linoleic Acid (Alt. Name: LA) | 325 mg | 52% of 801 products listing linoleic acid give more (median 350 mg). Per day at the most servings: 975 mg. | |
| Gamma-Linolenic Acid | 50 mg | 61% of 740 products listing gamma linolenic acid give more (median 90 mg). Per day at the most servings: 150 mg. |
Source: NIH ODS Dietary Supplement Label Database, label 220805 (entered May 22, 2020), 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 2 to 3 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 Ultra Prim Evening Primrose Oil 500 mg's, rare ingredients counting for more.
- Ultra Prim Evening Primrose OilNatural Factors OmegaFactors · off the market 5 shared, 85% alike
- Evening Primrose Oil 1000 mgTRUNATURE 5 shared, 85% alike
- Ultra Prim Evening Primrose Oil 1000 mgNatural Factors OmegaFactors 5 shared, 85% alike
- EfaGold Evening Primrose 500 mgNature's Way · off the market 5 shared, 82% alike
- High Potency Evening Primrose 1300 mgSR Sports Research · off the market 5 shared, 82% alike
- Evening Primrose Oil 1,300 mgHerbal Secrets · off the market 5 shared, 80% alike
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 usage: 1 softgel 2-3 times per day or as directed by a health professional.
- Warnings
- Cautions: As with any supplement, consult your health professional before use if you are pregnant, breastfeeding or trying to conceive, or if you are taking medication, have a medical condition, or anticipate a surgery.
- Keep out of the reach of children.
- Allergens and what it does not contain
- Contains no artificial colors, preservatives, or sweeteners; no dairy, starch, sugar, wheat, gluten, yeast, corn, egg, fish, shellfish, salt, tree nuts, or GMOs.
- Highly purified - Chemical free
Source: label statements in DSLD label 220805.
What else is on the label?
Other ingredients: Softgel, Vitamin E.
Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): isura Non-GMO - Mass Spec Documentation Lab tested; Purity & Potency Guaranteed.
How many labels does Ultra Prim Evening Primrose Oil 500 mg have?
2 labels are on file under this name since June 23, 2017: other sizes, label designs and reformulations. The current one leads this page.
- Label 220805 (current) Entered May 22, 2020 · on the market · 180 softgels · UPC 0 68958 02356 4
- Label 75516 Entered June 23, 2017 · off the market April 7, 2020 · 180 softgels · UPC 0 68958 02356 4
Source: DSLD label entry and market events, version 9.4.0 (labels entered through September 25, 2025).
Who makes it?
The label names Natural Factors Canada (manufacturer). All Natural Factors OmegaFactors products.