Natural Factors Ultra Strength RxOmega-3 with Vitamin D3

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PACKAGE PRICE
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Ranked 75th among 164 Omega 3 Fish Oil products.
Available here from $ 46.17

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Overview

Natural Factors Ultra Strength RxOmega-3 with Vitamin D3 is a dietary supplement built around a concentrated fish oil formula that provides omega-3s from EPA, DHA, and naturally occurring DPA. Each serving also includes vitamin D3, adding another nutrient often associated with immune and bone support. The product is positioned as an ultra-strength option rather than a standard fish oil, with a high omega-3 concentration and a softgel format designed for delivery and absorption.

The formula uses Enteripure enteric softgel technology, which places plant-based enteric properties in the outer softgel so the oils are released past the stomach and into the intestines. According to the product description, this approach helps protect the fish oil from the stomach’s harsh environment and is intended to reduce fishy aftertaste and fishy burps.

This omega-3 supplement is sourced from wild-caught fish and is molecularly distilled, purified, concentrated, and encapsulated in North America. It is also described as non-GMO and gluten free, with third-party testing through the ISURA verification program for up to 800 contaminants. The product is manufactured by Natural Factors in accordance with FDA and Health Canada Good Manufacturing Practices.

Key Features & Benefits

  • Provides 2,150 mg of omega-3s per serving, including EPA, DHA, and naturally occurring DPA.
  • Includes 25 mcg (1,000 IU) of vitamin D3 per serving.
  • Formulated to support heart, brain, immune, joint, and mental health.
  • Uses Enteripure enteric softgel technology for targeted intestinal delivery.
  • Designed to help protect the fish oils from stomach acid for improved absorption and assimilation.
  • May help reduce fishy aftertaste and fishy burps.
  • Made from sustainably sourced, wild-caught fish.
  • Tested for up to 800 contaminants, including heavy metals, PCBs, glyphosate, and radiation.
  • Non-GMO and gluten free.
  • Encapsulated only in North America and manufactured to meet high fish oil quality standards.

Specifications

  • Brand: Natural Factors
  • Product name: Ultra Strength RxOmega-3 with Vitamin D3
  • Supplement type: Dietary supplement
  • Active ingredients: Omega-3s (EPA, DHA, and DPA) and vitamin D3
  • Omega-3 amount: 2,150 mg per serving
  • Vitamin D3 amount: 25 mcg (1,000 IU) per serving
  • Dosage form: Softgel
  • Release type: Enteric softgel
  • Sourcing: Sustainably sourced wild-caught fish
  • Dietary characteristics: Non-GMO, gluten free
  • Quality testing: ISURA verified clean and tested for up to 800 contaminants
  • Manufacturing: Encapsulated in North America

Suggested Use

Take 2 softgels per day with food, or use as directed by a health professional.

Other Ingredients

Softgel (gelatin, glycerin, water, pectin), flaxseed oil, and vitamin E.

Allergen & Dietary Information

Contains fish (anchovy, sardine, mackerel, and herring) and sulfites. The formula contains no artificial colors, preservatives, or sweeteners, and it is made without dairy, sugar, wheat, gluten, yeast, corn, egg, shellfish, tree nuts, or GMOs.

Warnings

  • Consult a health professional before use if you are pregnant, breastfeeding, or trying to conceive.
  • Seek professional advice before use if you take medication, have a medical condition, or expect to have surgery.
  • Keep out of reach of children.
  • Do not use if the seal is broken.

Storage

Store in a cool, dry place for freshness. The package is sealed for protection.

Natural Factors Ultra Strength RxOmega-3 with Vitamin D3 combines concentrated omega-3 fish oil with vitamin D3 in an enteric softgel format, offering targeted delivery and nutritional support for heart, brain, immune, joint, and mental health.

Disclaimer

The information provided on this page is intended for general informational purposes only and should not be considered medical advice. Product formulations, ingredients, packaging, and labeling may change over time. Always read the label, warnings, and directions provided with the product before use. If you are pregnant, nursing, taking medication, or have a medical condition, consult a qualified healthcare professional before using any dietary supplement.

Natural Factors Ultra Strength RxOmega-3 with Vitamin D3 FACTS AND ALTERNATIVES COMPARISON

  75
Natural Factors Ultra Strength RxOmega-3 with Vitamin D3 Natural Factors
Supplement Rating
Natural Factors Ultra Strength RxOmega-3 with Vitamin D3
1
WHC UnoCardio 1000 + Vitamin D 1000 WHC
Supplement Rating
WHC UnoCardio 1000 + Vitamin D 1000
26
Viva Naturals Triple Strength Omega-3 Fish Oil Viva Naturals
Supplement Rating
Viva Naturals Triple Strength Omega-3 Fish Oil
14
WHC UnoCardio X2 WHC
Supplement Rating
WHC UnoCardio X2
Serving Size 2 Softgels 1 Softgel 2 Softgels 1 Softgel
Calories $25 missing substance or information* 25 missing substance or information*
Servings Per Container 75 60 20% 90 20% 60 20%
Price $41.61 $0.73 $0.77 $0.74
Total Omega-3 Fatty Acids 2150 mg · ** 1180 mg 2000 mg 1150 mg
Vitamin D 25 mcg (1000 IU) · 125% (as cholecalciferol) missing substance or information* missing substance or information* missing substance or information*
Epa (eicosapentaenoic Acid) 1360 mg · ** (EPA) 665 mg 1,400 mg 622 mg
Dha (docosahexaenoic Acid) 670 mg · ** (DHA) 445 mg 480 mg 420 mg
Fish Oil 1,407 mg (molecularly distilled, ultra purified) (anchovy, sardine and/or mackerel) missing substance or information* 2500 mg · † missing substance or information*
Polyunsaturated Fat 2.5 g · ** missing substance or information* missing substance or information* missing substance or information*

*Some information on the Natural Factors Ultra Strength RxOmega-3 with Vitamin D3label may be missing, or it may have been written incorrectly. We work hard to keep the information accurate & up to date. Please let us know if you discover any errors.

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This content is for informational purposes only and is not a substitute for professional medical advice. Consult a qualified healthcare provider before taking any supplement.