Natural Factors RxOmega-3 Ultra Strength
vs
HSN Ultra Omega-3 TG
Supplement Comparison

Eicosapentaenoic Acid (EPA) appears as Unspecified. Docosahexaenoic Acid (DHA) appears as Unspecified.

Eicosapentaenoic Acid (EPA) appears as Natural Triglycerides (TG). Docosahexaenoic Acid (DHA) appears as Natural Triglycerides (TG).

Anti-Inflammatory Support. Brain, Focus & Cognitive Function. Eye Health. General Health. Heart & Cardiovascular Health. Joint & Bone Health.

Serving size: - Natural Factors RxOmega-3 Ultra Strength: 2 softgels - HSN Ultra Omega-3 TG: 1 softgel

Eicosapentaenoic Acid (EPA): Natural Factors RxOmega-3 Ultra Strength has 3.9× more
Docosahexaenoic Acid (DHA): Natural Factors RxOmega-3 Ultra Strength has 2.7× more
EPA + DHA (combined EPA+DHA content - individual amounts of EPA+DHA not specified): Natural Factors RxOmega-3 Ultra Strength has 3.4× more
The image below shows:
- Side-by-side charts with label nutrient amounts, per serving
- Nutrient forms as listed on the label
- 6 nutrients compared

Frequently asked questions

Natural Factors RxOmega-3 Ultra Strength has the highest total amount of EPA + DHA (combined EPA+DHA content - individual amounts of EPA+DHA not specified): 2030 mg per serving

Serving size:
- Natural Factors RxOmega-3 Ultra Strength: 2 softgels
- HSN Ultra Omega-3 TG: 1 softgel

Last updated: February 17, 2026

Sources & Methodology: Nutrient data and forms are taken directly from Supplement Facts labels. Reviewed and standardized by the VIOscan Research Team. Learn more on the Methodology page.
We show the Recommended Dietary Allowance (RDA) when available. If no RDA exists, we show the Adequate Intake (AI). Tolerable Upper Intake Levels (UL) are used for upper limits. Unless otherwise noted, RDAs shown correspond to healthy adults aged 19–50 years and are sex-specific. Separate values exist for 51–70 years and >70 years, and pregnancy and lactation are excluded. All values come from the Dietary Reference Intakes (DRIs) published by the National Academies of Sciences, Engineering, and Medicine (NASEM), Food and Nutrition Board (FNB).
Transparency: We’re funded by our users. We don’t have sponsors or affiliate links, and we don’t sell supplements.
Editorial standards: we provide independent, impartial and objective data analysis.
This analysis is for educational purposes only. It is not a substitute for medical advice.
Questions? Read our Frequently Asked Questions or contact us, we’re here to help.
See an error? Report it through our Contact page.
Author: VIOscan Research Team