Ultra Strength RxOmega-3

by Natural Factors · softgel capsule · 150 Enteripure(TM) Softgels

  • On the market (NIH)
  • UPC 0 68958 35493 4
  • DSLD label 76710
  • Serving 1 enteripure(tm) softgel

Ultra Strength RxOmega-3 by Natural Factors lists 4 ingredients, 4 with an amount per serving of 1 enteripure(tm) softgel, such as 1,425 mg of pharmaceutical grade fish oil concentrate, beside 2 Nutrition Facts rows (calories, fat and the like). Its current label entered the NIH Dietary Supplement Label Database on August 22, 2017.

What is in Ultra Strength RxOmega-3?

Each row as the label prints it, per serving of 1 enteripure(tm) 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).

Ultra Strength RxOmega-3: Supplement Facts rows against the market (DSLD label 76710, January 2026 release)
IngredientAmount% DVAmong products listing it
Calories15 Calories
Total Fat1.5 g2%Fat (unspecified) in Ultra Strength RxOmega-3 against 11,965 products1.5 g per serving; the middle half of products list 1 g to 2.5 g, the median 1.5 g.1.5 g

44% of 11,965 products listing fat (unspecified) give more (median 1.5 g).

Cholesterol5 mg2%Cholesterol in Ultra Strength RxOmega-3 against 5,275 products5 mg per serving; the middle half of products list 5 mg to 45 mg, the median 15 mg.5 mg

71% of 5,275 products listing cholesterol give more (median 15 mg).

pharmaceutical grade Fish Oil concentrateas Anchovy, Mackerel, Sardinepharmaceutical grade Fish Oil concentrate (Form: Anchovy, Sardine, and/or Mackerel) Note: molecularly distilled, ultra purified1,425 mgFish Oil in Ultra Strength RxOmega-3 against 1,990 products1.43 g per serving; the middle half of products list 1 g to 2 g, the median 1.2 g.1.43 g

Higher than 66% of 1,990 products listing fish oil (median 1.2 g).

Omega-3 Fatty Acids900 mgOmega-3 in Ultra Strength RxOmega-3 against 2,714 products900 mg per serving; the middle half of products list 230 mg to 1,000 mg, the median 500 mg.900 mg

Higher than 70% of 2,714 products listing omega-3 (median 500 mg).

Docosahexaenoic Acid Ethyl Ester600 mgDHA in Ultra Strength RxOmega-3 against 3,627 products900 mg per serving; the middle half of products list 104 mg to 400 mg, the median 232 mg.900 mg

Higher than 96% of 3,627 products listing DHA (median 232 mg).

Docosahexaenoic Acid Ethyl Ester300 mg

Source: NIH ODS Dietary Supplement Label Database, label 76710 (entered August 22, 2017), 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?

The rows in the top or bottom tenth of the products that list the same ingredient, and any above the adult upper limit at the most servings a day the directions give:

  • Its 900 mg of docosahexaenoic acid ethyl ester (filed by NIH under DHA) (2 rows of the label added together) is higher than 96% of the 3,627 DHA products that print an amount; 121 list more.

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
Suggested Usage: 1 softgel 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.
Sealed for your protection. Do not use if seal is broken.
Allergens and what it does not contain
Molecularly distilled and guaranteed for purity and safety from environmental pollutants like PCBs and mercury or other harmful compounds, RxOmega-3 surpasses the strictest international standards for quality.
Contains no artificial colors, preservatives, or sweeteners; no dairy, sugar, wheat, gluten, yeast, soy, corn, egg, shellfish, salt, tree nuts, or GMOs.
Storage
For freshness, store in a cool, dry place.

Source: label statements in DSLD label 76710.

What else is on the label?

Other ingredients: Enteripure 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 Strength RxOmega-3 have?

4 labels are on file under this name since October 22, 2015: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 76985 Entered August 22, 2017 · off the market March 11, 2019 · 150 Enteripure(TM) Softgels · UPC 0 68958 35492 7
  2. Label 76710 (current) Entered August 22, 2017 · on the market · 150 Enteripure(TM) Softgels · UPC 0 68958 35493 4
  3. Label 52824 Entered November 24, 2015 · off the market May 6, 2017 · 150 Enteripure(TM) Softgels · UPC 0 68958 35492 7
  4. Label 52827 Entered October 22, 2015 · off the market May 6, 2017 · 150 Enteripure(TM) Softgels · UPC 0 68958 35493 4

DSLD also links this label to: Ultra Strength RxOmega-3 Factors (image difference, same product), Ultra Strength RxOmega-3 Factors (package size difference, same product), Ultra Strength One-per-Day RxOmega-3 (package size difference, same product), Ultra Strength One-per-Day RxOmega-3 (image difference, same product), Ultra Strength One-per-Day RxOmega-3 (package size 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 Natural Factors Canada (manufacturer). All Natural Factors products.

Where next?