PlainVitamins

Rx Omega-3 Factors

by Natural Factors · softgel capsule · 240 softgels

  • Off the market since September 2015 (NIH)
  • UPC 0 68958 35491 0
  • DSLD label 38069
  • Serving 1 softgel

Rx Omega-3 Factors by Natural Factors lists 5 ingredients, 5 with an amount per serving of 1 softgel, such as 3 IU of vitamin E and 1,170 mg of pharmaceutical grade fish oil concentrate, beside 3 Nutrition Facts rows (calories, fat and the like). Its current label entered the NIH Dietary Supplement Label Database on October 27, 2014.

What is in Rx Omega-3 Factors?

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).

Rx Omega-3 Factors: Supplement Facts rows against the market (DSLD label 38069, January 2026 release)
IngredientAmount% DVAmong products listing it
Calories10 Calories
Calories from Fat10 Calories
Total Fat1 g2%Fat (unspecified) in Rx Omega-3 Factors against 11,965 products1 g per serving; the middle half of products list 1 g to 2.5 g, the median 1.5 g.1 g

56% of 11,965 products listing fat (unspecified) give more (median 1.5 g). Per day at the most servings: 3 g.

Polyunsaturated Fat1 gPolyunsaturated Fat in Rx Omega-3 Factors against 1,759 products1 g per serving; the middle half of products list 0.5 g to 2 g, the median 1 g.1 g

39% of 1,759 products listing polyunsaturated fat give more (median 1 g). Per day at the most servings: 3 g.

Cholesterol10 mg3%Cholesterol in Rx Omega-3 Factors against 5,275 products10 mg per serving; the middle half of products list 5 mg to 45 mg, the median 15 mg.10 mg

56% of 5,275 products listing cholesterol give more (median 15 mg). Per day at the most servings: 30 mg.

Vitamin Eas Mixed Tocopherols3 IU10%Vitamin E in Rx Omega-3 Factors against 6,459 products3 IU per serving; the middle half of products list 15 IU to 100 IU, the median 30 IU.3 IU

96% of 6,459 products listing vitamin E give more (median 30 IU). Per day at the most servings: 9 IU.

pharmaceutical grade Fish Oil concentrateas Anchovy, Mackerel, Sardinepharmaceutical grade Fish Oil concentrate (Form: Anchovy, Sardine, and/or Mackerel) Note: molecularly distilled, ultra purified1,170 mgFish Oil in Rx Omega-3 Factors against 1,990 products1.17 g per serving; the middle half of products list 1 g to 2 g, the median 1.2 g.1.17 g

52% of 1,990 products listing fish oil give more (median 1.2 g). Per day at the most servings: 3.51 g.

Omega-3 Fatty Acids630 mgOmega-3 in Rx Omega-3 Factors against 2,714 products630 mg per serving; the middle half of products list 230 mg to 1,000 mg, the median 500 mg.630 mg

Higher than 59% of 2,714 products listing omega-3 (median 500 mg). Per day at the most servings: 1,890 mg.

Docosahexaenoic Acid Ethyl Ester400 mgDHA in Rx Omega-3 Factors against 3,627 products600 mg per serving; the middle half of products list 104 mg to 400 mg, the median 232 mg.600 mg

Higher than 89% of 3,627 products listing DHA (median 232 mg). Per day at the most servings: 1,800 mg.

Docosahexaenoic Acid Ethyl Ester200 mg

Source: NIH ODS Dietary Supplement Label Database, label 38069 (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?

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:

  • 96% of the 6,459 products that print an amount of vitamin E list more than its 3 IU of vitamin E (median 30 IU).

The NIH database records 1 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?

1 product lists 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 1–3 times per day before each meal or as directed by a health professional.
Warnings
Sealed for your protection. Do not use if seal is broken.
Keep out of reach of children.
Allergens and what it does not contain
Contains no artificial preservatives, color or sweeteners; no corn, dairy, gluten, starch, wheat or yeast.
Stringent quality control standards ensure this highly purified fish oil concentrate is free from toxic environmental contaminants and heavy metals like mercury.
Storage
For freshness, store in a cool, dry place.

Source: label statements in DSLD label 38069.

What else is on the label?

Other ingredients: Softgel Capsule.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): Purity&Potency Guaranteed.

How many labels does Rx Omega-3 Factors have?

4 labels are on file under this name since September 25, 2013: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 38069 (current) Entered October 27, 2014 · off the market September 16, 2015 · 240 softgels · UPC 0 68958 35491 0
  2. Label 37861 Entered October 10, 2014 · off the market September 16, 2015 · 120 softgels · UPC 0 68958 03549 9
  3. Label 37857 Entered October 10, 2014 · off the market September 16, 2015 · 60 softgels · UPC 0 68958 03548 2
  4. Label 25974 Entered September 25, 2013 · off the market July 15, 2014 · 240 softgels · UPC 0 68958 35491 0

DSLD also links this label to: RxOmega-3 Factors (image difference, same product), RxOmega-3 Factors (package size difference, same product), RxOmega-3 Factors Pharmaceutical Grade EPA 400 mg / DHA 200 mg (package size difference, same product), RxOmega-3 Factors (package size difference, same product), RxOmega-3 (image difference, same product), RxOmega-3 (package size difference, same product), Rx Omega-3 (package size difference, same product), 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?